T1133: External Remote Services
Adversaries may leverage external-facing remote services to initially access and/or persist within a network. Remote services such as VPNs, Citrix, and other access mechanisms allow users to connect to internal enterprise network resources from external locations. There are often remote service gateways that manage connections and credential authentication for these services. Services such as Windows Remote Management and VNC can also be used externally.[1]
Access to Valid Accounts to use the service is often a requirement, which could be obtained through credential pharming or by obtaining the credentials from users after compromising the enterprise network.[2] Access to remote services may be used as a redundant or persistent access mechanism during an operation.
Access may also be gained through an exposed service that doesn’t require authentication. In containerized environments, this may include an exposed Docker API, Kubernetes API server, kubelet, or web application such as the Kubernetes dashboard.[3][4]
Adversaries may also establish persistence on network by configuring a Tor hidden service on a compromised system. Adversaries may utilize the tool `ShadowLink` to facilitate the installation and configuration of the Tor hidden service. Tor hidden service is then accessible via the Tor network because `ShadowLink` sets up a .onion address on the compromised system. `ShadowLink` may be used to forward any inbound connections to RDP, allowing the adversaries to have remote access.[5] Adversaries may get `ShadowLink` to persist on a system by masquerading it as an MS Defender application.[6]
Security context for executives and security teams
External Remote Services matters because remote access is both a business enabler and a common doorway for adversaries. VPNs, Citrix-like gateways, externally reachable remote management, VNC, exposed container APIs, and similar services can provide initial access or a durable way back into the environment when paired with valid credentials or unauthenticated exposure.
Executive priority
Treat this as an identity, perimeter, and resilience issue, not only a network issue. Leaders should ask whether every externally reachable remote service is known, business-approved, strongly authenticated, segmented from critical assets, and logged well enough to support incident response and audit evidence. The ATT&CK relationships show this technique across multiple campaigns and groups, including activity involving energy, government, finance, manufacturing, telecommunications, critical infrastructure, and cyber-physical contexts, so control prioritization should focus first on high-value and operationally sensitive remote access paths.
Technical view
For SOC, detection engineering, and IR teams, validate coverage for T1133 across Windows, Linux, macOS, and container environments. ATT&CK provides no official detection text for this object, but the related DET0354 strategy indicates behavior-chain detection for External Remote Services across Windows, Linux, macOS, and Containers. Practical validation should combine external exposure inventory, remote access authentication events, gateway/session logs, unusual source geographies or infrastructure, new or rare remote access paths, externally reachable VNC/WinRM-style services, exposed Docker/Kubernetes APIs or dashboards, and persistence patterns such as Tor hidden service configuration or tools masquerading as legitimate security software where locally observable.
Likely telemetry
- VPN, Citrix, remote access gateway, ZTNA, and remote desktop authentication/session logs
- Identity provider and MFA logs for successful, failed, anomalous, and repeated remote access attempts
- Network flow, firewall, proxy, and ingress logs showing external connections to remote service endpoints
- Asset and external attack surface inventory for internet-facing remote services
- Endpoint logs for remote management services, VNC/WinRM/RDP-related activity, and newly installed remote access components
Detection direction
- Start by proving inventory completeness: compare known remote access services with externally observable services and cloud/container ingress points.
- Tune detections around successful remote access that is rare for the user, device, source network, geography, time, or service, rather than only failed logons.
- Correlate Valid Accounts context with remote service use, since ATT&CK notes valid credentials are often required for this behavior.
- Include unauthenticated exposure checks for containerized environments, especially Docker API, Kubernetes API server, kubelet, and Kubernetes dashboard exposure where applicable.
- Investigate remote access persistence indicators, including newly enabled remote services, unexpected gateway configuration changes, and Tor hidden service patterns on compromised systems.
Mitigation priorities
- Require multi-factor authentication for externally reachable remote access services, prioritizing privileged users and access to critical systems.
- Limit access to network resources over remote services using least privilege, approved gateways, and business-justified access paths.
- Segment remote access entry points from sensitive business, cloud, container, and operational environments to reduce blast radius if access is misused.
- Disable or remove unnecessary remote access features, legacy services, exposed management interfaces, and unused gateways.
- Restrict web-based content and unsafe browser behaviors where credential theft, phishing, or malicious downloads could lead to valid-account remote access.
Additional notes and limits
This technique is especially material where remote access supports administrators, vendors, executives, developers, cloud/container operators, or operational technology support paths. The strongest defensive question is whether the organization can quickly answer: who accessed what remotely, from where, using which identity, through which gateway, and whether that access was normal and authorized.
The supplied ATT&CK object does not include official detection text. This take relies on the official description, listed platforms and tactics, external references, and supplied relationships, including DET0354 and mitigations M1021, M1030, M1032, M1035, and M1042. Local architecture, identity design, logging coverage, and exposure data are required to determine actual risk and detection coverage.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
External Remote Services
Adversaries may leverage external-facing remote services to initially access and/or persist within a network. Remote services such as VPNs, Citrix, and other access mechanisms allow users to connect to internal enterprise network resources from external locations. There are often remote service gateways that manage connections and credential authentication for these services. Services such as Windows Remote Management and VNC can also be used externally.[1]
Access to Valid Accounts to use the service is often a requirement, which could be obtained through credential pharming or by obtaining the credentials from users after compromising the enterprise network.[2] Access to remote services may be used as a redundant or persistent access mechanism during an operation.
Access may also be gained through an exposed service that doesn’t require authentication. In containerized environments, this may include an exposed Docker API, Kubernetes API server, kubelet, or web application such as the Kubernetes dashboard.[3][4]
Adversaries may also establish persistence on network by configuring a Tor hidden service on a compromised system. Adversaries may utilize the tool `ShadowLink` to facilitate the installation and configuration of the Tor hidden service. Tor hidden service is then accessible via the Tor network because `ShadowLink` sets up a .onion address on the compromised system. `ShadowLink` may be used to forward any inbound connections to RDP, allowing the adversaries to have remote access.[5] Adversaries may get `ShadowLink` to persist on a system by masquerading it as an MS Defender application.[6]
How security teams should use this page
Treat this object as behavior context, not an attribution claim. Validate the related groups, software, data sources, and mitigations against official ATT&CK relationships and your own telemetry before making control-coverage decisions.
Groups, software, and campaigns
G0139: TeamTNT
TeamTNT is a threat group that has primarily targeted cloud and containerized environments. The group as been active since at least October 2019 and has mainly focused its efforts on leveraging cloud and container resources to deploy cryptocurrency miners in victim environments.[1][2][3][4][5][6][7][8][9]
G1016: FIN13
G1003: Ember Bear
Ember Bear is a Russian state-sponsored cyber espionage group that has been active since at least 2020, linked to Russia's General Staff Main Intelligence Directorate (GRU) 161st Specialist Training Center (Unit 29155).[1] Ember Bear has primarily focused operations against Ukrainian government and telecommunication entities, but has also operated against critical infrastructure entities in Europe and the Americas.[2] Ember Bear conducted the WhisperGate destructive wiper attacks against Ukraine in early 2022.[3][4][1] There is some confusion as to whether Ember Bear overlaps with another Russian-linked entity referred to as Saint Bear. At present available evidence strongly suggests these are distinct activities with different behavioral profiles.[2][5]
G0026: APT18
G0034: Sandworm Team
Sandworm Team is a destructive threat group that has been attributed to Russia's General Staff Main Intelligence Directorate (GRU) Main Center for Special Technologies (GTsST) military unit 74455.[1][2] This group has been active since at least 2009.[3][4][5][6]
In October 2020, the US indicted six GRU Unit 74455 officers associated with Sandworm Team for the following cyber operations: the 2015 and 2016 attacks against Ukrainian electrical companies and government organizations, the 2017 worldwide NotPetya attack, targeting of the 2017 French presidential campaign, the 2018 Olympic Destroyer attack against the Winter Olympic Games, the 2018 operation against the Organisation for the Prohibition of Chemical Weapons, and attacks against the country of Georgia in 2018 and 2019.[1][2] Some of these were conducted with the assistance of GRU Unit 26165, which is also referred to as APT28.[7]
G1017: Volt Typhoon
Volt Typhoon is a People's Republic of China (PRC) state-sponsored actor that has been active since at least 2021, primarily targeting critical infrastructure organizations in the US and its territories including Guam. Volt Typhoon's targeting and pattern of behavior have been assessed as pre-positioning to enable lateral movement to operational technology (OT) assets for potential destructive or disruptive attacks. Volt Typhoon has emphasized stealth in operations using web shells, living-off-the-land (LOTL) binaries, hands on keyboard activities, and stolen credentials.[1][2][3][4]. The group has leveraged compromised SOHO routers to proxy command and control traffic and obscure its infrastructure, activity associated with the KV botnet.[5].
Reporting indicates a separate initial access cluster, SYLVANITE, has been observed exploiting internet-facing edge devices and transferring access to Volt Typhoon, also tracked as VOLTZITE, for follow-on operations. [6]
G1047: Velvet Ant
Velvet Ant is a threat actor operating since at least 2021. Velvet Ant is associated with complex persistence mechanisms, the targeting of network devices and appliances during operations, and the use of zero day exploits.[1][2]
G1015: Scattered Spider
Scattered Spider is a native English-speaking cybercriminal group active since at least 2022. [1] [2] The group initially targeted customer relationship management (CRM) providers, business process outsourcing (BPO) firms, and telecommunications and technology companies before expanding in 2023 to gaming, hospitality, retail, managed service provider (MSP), manufacturing, and financial sectors. [2] Scattered Spider relies heavily on social engineering, including impersonating IT and help-desk staff, to gain initial access, bypass multi-factor authentication (MFA), and compromise enterprise networks. The group has adapted its tooling to evade endpoint detection and response (EDR) defenses and used ransomware for financial gain. [3] [4] [5] Scattered Spider had expanded into hybrid cloud and identity environments, using help-desk impersonation and MFA bypass to obtain administrator access in Okta, AWS, and Office 365. [6]
G0096: APT41
APT41 is a threat group that researchers have assessed as Chinese state-sponsored espionage group that also conducts financially-motivated operations. Active since at least 2012, APT41 has been observed targeting various industries, including but not limited to healthcare, telecom, technology, finance, education, retail and video game industries in 14 countries.[1] Notable behaviors include using a wide range of malware and tools to complete mission objectives. APT41 overlaps at least partially with public reporting on groups including BARIUM and Winnti Group.[2][3]
G1004: LAPSUS$
LAPSUS$ is cyber criminal threat group that has been active since at least mid-2021. LAPSUS$ specializes in large-scale social engineering and extortion operations, including destructive attacks without the use of ransomware. The group has targeted organizations globally, including in the government, manufacturing, higher education, energy, healthcare, technology, telecommunications, and media sectors.[1][2][3]
G0049: OilRig
OilRig is a suspected Iranian threat group that has targeted Middle Eastern and international victims since at least 2014. The group has targeted a variety of sectors, including financial, government, energy, chemical, and telecommunications. It appears the group carries out supply chain attacks, leveraging the trust relationship between organizations to attack their primary targets. The group works on behalf of the Iranian government based on infrastructure details that contain references to Iran, use of Iranian infrastructure, and targeting that aligns with nation-state interests.[1][2][3][4][5][6][7]
G0093: GALLIUM
GALLIUM is a cyberespionage group that has been active since at least 2012, primarily targeting telecommunications companies, financial institutions, and government entities in Afghanistan, Australia, Belgium, Cambodia, Malaysia, Mozambique, the Philippines, Russia, and Vietnam. This group is particularly known for launching Operation Soft Cell, a long-term campaign targeting telecommunications providers.[1] Security researchers have identified GALLIUM as a likely Chinese state-sponsored group, based in part on tools used and TTPs commonly associated with Chinese threat actors.[1][2][3]
S0362: Linux Rabbit
Linux Rabbit is malware that targeted Linux servers and IoT devices in a campaign lasting from August to October 2018. It shares code with another strain of malware known as Rabbot. The goal of the campaign was to install cryptocurrency miners onto the targeted servers and devices.[1]
S1060: Mafalda
S0601: Hildegard
S0599: Kinsing
S0600: Doki
C0012: Operation CuckooBees
Operation CuckooBees was a cyber espionage campaign targeting technology and manufacturing companies in East Asia, Western Europe, and North America since at least 2019. Security researchers noted the goal of Operation CuckooBees, which was still ongoing as of May 2022, was likely the theft of proprietary information, research and development documents, source code, and blueprints for various technologies. Researchers assessed Operation CuckooBees was conducted by actors affiliated with Winnti Group, APT41, and BARIUM.[1]
C0002: Night Dragon
Night Dragon was a cyber espionage campaign that targeted oil, energy, and petrochemical companies, along with individuals and executives in Kazakhstan, Taiwan, Greece, and the United States. The unidentified threat actors searched for information related to oil and gas field production systems, financials, and collected data from SCADA systems. Based on the observed techniques, tools, and network activities, security researchers assessed the campaign involved a threat group based in China.[1]
C0028: 2015 Ukraine Electric Power Attack
2015 Ukraine Electric Power Attack was a Sandworm Team campaign during which they used BlackEnergy (specifically BlackEnergy3) and KillDisk to target and disrupt transmission and distribution substations within the Ukrainian power grid. This campaign was the first major public attack conducted against the Ukrainian power grid by Sandworm Team.
C0004: CostaRicto
CostaRicto was a suspected hacker-for-hire cyber espionage campaign that targeted multiple industries worldwide, with a large number being financial institutions. CostaRicto actors targeted organizations in Europe, the Americas, Asia, Australia, and Africa, with a large concentration in South Asia (especially India, Bangladesh, and Singapore), using custom malware, open source tools, and a complex network of proxies and SSH tunnels.[1]
C0063: 2025 Poland Wiper Attacks
2025 Poland Wiper Attacks is a Russian state-sponsored campaign that conducted destructive cyberattacks against Polish energy infrastructure in December 2025. Targets included more than 30 wind and photovoltaic farms, a combined heat and power (CHP) plant, and a manufacturing sector company. The attacks on the distributed energy resources (DER) disrupted communications between affected facilities and the distribution system operator, but did not impact electricity generation or heat supply. Across the campaign, threat actors deployed two previously undocumented wiper tools, DynoWiper, a Windows-based wiper and LazyWiper, a PowerShell wiper, distributed via malicious Group Policy Objects. At the CHP plant, threat actors had maintained access since at least March 2025, using that foothold to obtain credentials and move laterally before attempting wiper deployment. Some reporting has assessed the activity to be consistent with Russian Federal Security Service (FSB) threat activity group Dragonfly, also tracked as STATIC TUNDRA, while other reporting attributes the destructive wiper activities to the Russian General Staff Main Intelligence Directorate (GRU) threat activity group ELECTRUM, also tracked as Sandworm Team.[1][2][3][4]
C0024: SolarWinds Compromise
The SolarWinds Compromise was a sophisticated supply chain cyber operation conducted by APT29 that was discovered in mid-December 2020. APT29 used customized malware to inject malicious code into the SolarWinds Orion software build process that was later distributed through a normal software update; they also used password spraying, token theft, API abuse, spear phishing, and other supply chain attacks to compromise user accounts and leverage their associated access. Victims of this campaign included government, consulting, technology, telecom, and other organizations in North America, Europe, Asia, and the Middle East. This activity has been labled the StellarParticle campaign in industry reporting.[1] Industry reporting also initially referred to the actors involved in this campaign as UNC2452, NOBELIUM, Dark Halo, and SolarStorm.[2][3][4][5][1][6][7][8]
In April 2021, the US and UK governments attributed the SolarWinds Compromise to Russia's Foreign Intelligence Service (SVR); public statements included citations to APT29, Cozy Bear, and The Dukes.[9][10][11] The US government assessed that of the approximately 18,000 affected public and private sector customers of Solar Winds’ Orion product, a much smaller number were compromised by follow-on APT29 activity on their systems.[12]
C0027: C0027
C0027 was a financially-motivated campaign linked to Scattered Spider that targeted telecommunications and business process outsourcing (BPO) companies from at least June through December of 2022. During C0027 Scattered Spider used various forms of social engineering, performed SIM swapping, and attempted to leverage access from victim environments to mobile carrier networks.[1]
C0032: C0032
C0032 was an extended campaign suspected to involve the Triton adversaries with related capabilities and techniques focused on gaining a foothold within IT environments. This campaign occurred in 2019 and was distinctly different from the Triton Safety Instrumented System Attack.[1]
C0014: Operation Wocao
Operation Wocao was a cyber espionage campaign that targeted organizations around the world, including in Brazil, China, France, Germany, Italy, Mexico, Portugal, Spain, the United Kingdom, and the United States. The suspected China-based actors compromised government organizations and managed service providers, as well as aviation, construction, energy, finance, health care, insurance, offshore engineering, software development, and transportation companies.[1]
Security researchers assessed the Operation Wocao actors used similar TTPs and tools as APT20, suggesting a possible overlap. Operation Wocao was named after an observed command line entry by one of the threat actors, possibly out of frustration from losing webshell access.[1]
C0046: ArcaneDoor
ArcaneDoor is a campaign targeting networking devices from Cisco and other vendors between July 2023 and April 2024, primarily focused on government and critical infrastructure networks. ArcaneDoor is associated with the deployment of the custom backdoors Line Runner and Line Dancer. ArcaneDoor is attributed to a group referred to as UAT4356 or STORM-1849, and is assessed to be a state-sponsored campaign.[1][2]
All related ATT&CK context
Mitigation direction
Object version and sync metadata
The fields below describe the current mirrored snapshot. When Glexia retains multiple ATT&CK source imports, you can open the table to compare the same object across releases (hashes and MITRE timestamps). For MITRE’s own release notes and roadmap, see ATT&CK resources — Updates.
Imported snapshots across ATT&CK releases(1)
| Release | Bundle imported | Object version | Modified | Status | Raw hash |
|---|---|---|---|---|---|
| 19.1 | 2.5 | Current bundle | 98725560ff9c… |
Mirrored ATT&CK source object
The raw object is retained through the mirrored ATT&CK source bundle and object hash. The raw endpoint returns the exact object from the mirrored bundle when available.
External references and citations
MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.
- [1]MacOS VNC software for Remote Desktop
Apple Support. (n.d.). Set up a computer running VNC software for Remote Desktop. Retrieved August 18, 2021.
Open source URL - [2]Volexity Virtual Private Keylogging
Adair, S. (2015, October 7). Virtual Private Keylogging: Cisco Web VPNs Leveraged for Access and Persistence. Retrieved March 20, 2017.
Open source URL - [3]Trend Micro Exposed Docker Server
Remillano II, A., et al. (2020, June 20). XORDDoS, Kaiji Variants Target Exposed Docker Servers. Retrieved April 5, 2021.
Open source URL - [4]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [5]The BadPilot campaign
Microsoft Threat Intelligence. (2025, February 12). The BadPilot campaign: Seashell Blizzard subgroup conducts multiyear global access operation. Retrieved June 18, 2025.
Open source URL - [6]Russian threat actors dig in, prepare to seize on war fatigue
Microsoft Threat Intelligence. (2023, December 7). Russian threat actors dig in, prepare to seize on war fatigue. Retrieved June 18, 2025.
Open source URL - [7]Intezer TeamTNT September 2020
Fishbein, N. (2020, September 8). Attackers Abusing Legitimate Cloud Monitoring Tools to Conduct Cyber Attacks. Retrieved September 22, 2021.
Open source URL - [8]Cisco Talos Intelligence Group
Darin Smith. (2022, April 21). TeamTNT targeting AWS, Alibaba. Retrieved August 4, 2022.
Open source URL - [9]Mandiant FIN13 Aug 2022
Ta, V., et al. (2022, August 8). FIN13: A Cybercriminal Threat Actor Focused on Mexico. Retrieved February 9, 2023.
Open source URL - [10]Cybereason OperationCuckooBees May 2022
Cybereason Nocturnus. (2022, May 4). Operation CuckooBees: Deep-Dive into Stealthy Winnti Techniques. Retrieved September 22, 2022.
Open source URL - [11]Anomali Linux Rabbit 2018
Anomali Labs. (2018, December 6). Pulling Linux Rabbit/Rabbot Malware Out of a Hat. Retrieved March 4, 2019.
Open source URL - [12]McAfee Night Dragon
McAfee® Foundstone® Professional Services and McAfee Labs™. (2011, February 10). Global Energy Cyberattacks: “Night Dragon”. Retrieved February 19, 2018.
Open source URL - [13]SentinelLabs Metador Technical Appendix Sept 2022
SentinelLabs. (2022, September 22). Metador Technical Appendix. Retrieved April 4, 2023.
Open source URL - [14]CISA GRU29155 2024
US Cybersecurity & Infrastructure Security Agency et al. (2024, September 5). Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure. Retrieved September 6, 2024.
Open source URL - [15]RSA2017 Detect and Respond Adair
Adair, S. (2017, February 17). Detecting and Responding to Advanced Threats within Exchange Environments. Retrieved November 17, 2024.
Open source URL - [16]ESET BlackEnergy Jan 2016
Cherepanov, A.. (2016, January 3). BlackEnergy by the SSHBearDoor: attacks against Ukrainian news media and electric industry . Retrieved June 10, 2020.
Open source URL - [17]ESET Telebots June 2017
Cherepanov, A.. (2017, June 30). TeleBots are back: Supply chain attacks against Ukraine. Retrieved June 11, 2020.
Open source URL - [18]ANSSI Sandworm January 2021
ANSSI. (2021, January 27). SANDWORM INTRUSION SET CAMPAIGN TARGETING CENTREON SYSTEMS. Retrieved March 30, 2021.
Open source URL - [19]mandiant_apt44_unearthing_sandworm
Roncone, G. et al. (n.d.). APT44: Unearthing Sandworm. Retrieved July 11, 2024.
Open source URL - [20]CISA AA24-038A PRC Critical Infrastructure February 2024
CISA et al.. (2024, February 7). PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure. Retrieved May 15, 2024.
Open source URL - [21]Sygnia VelvetAnt 2024A
Sygnia Team. (2024, June 3). China-Nexus Threat Group ‘Velvet Ant’ Abuses F5 Load Balancers for Persistence. Retrieved March 14, 2025.
Open source URL - [22]CrowdStrike Scattered Spider BYOVD January 2023
CrowdStrike. (2023, January 10). SCATTERED SPIDER Exploits Windows Security Deficiencies with Bring-Your-Own-Vulnerable-Driver Tactic in Attempt to Bypass Endpoint Security. Retrieved July 5, 2023.
Open source URL - [23]FireEye APT41 Aug 2019
Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019.
Open source URL - [24]MSTIC DEV-0537 Mar 2022
MSTIC, DART, M365 Defender. (2022, March 24). DEV-0537 Criminal Actor Targeting Organizations for Data Exfiltration and Destruction. Retrieved May 17, 2022.
Open source URL - [25]NCC Group LAPSUS Apr 2022
Brown, D., et al. (2022, April 28). LAPSUS$: Recent techniques, tactics and procedures. Retrieved December 22, 2022.
Open source URL - [26]FireEye APT34 Webinar Dec 2017
Davis, S. and Caban, D. (2017, December 19). APT34 - New Targeted Attack in the Middle East. Retrieved December 20, 2017.
Open source URL - [27]Cybereason Soft Cell June 2019
Cybereason Nocturnus. (2019, June 25). Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers. Retrieved July 18, 2019.
Open source URL - [28]Microsoft GALLIUM December 2019
MSTIC. (2019, December 12). GALLIUM: Targeting global telecom. Retrieved January 13, 2021.
Open source URL - [29]NCC Group APT15 Alive and Strong
Smallridge, R. (2018, March 10). APT15 is alive and strong: An analysis of RoyalCli and RoyalDNS. Retrieved April 4, 2018.
Open source URL - [30]Microsoft NICKEL December 2021
MSTIC. (2021, December 6). NICKEL targeting government organizations across Latin America and Europe. Retrieved March 18, 2022.
Open source URL - [31]Booz Allen Hamilton
Booz Allen Hamilton. (2016). When The Lights Went Out. Retrieved December 18, 2024.
Open source URL - [32]Defending Against Malicious Cyber Activity Originating from Tor
CISA, FBI. (2020, July 1). Defending Against Malicious Cyber Activity Originating from Tor . Retrieved June 20, 2025.
Open source URL - [33]FireEye KEGTAP SINGLEMALT October 2020
Kimberly Goody, Jeremy Kennelly, Joshua Shilko, Steve Elovitz, Douglas Bienstock. (2020, October 28). Unhappy Hour Special: KEGTAP and SINGLEMALT With a Ransomware Chaser. Retrieved October 28, 2020.
Open source URL - [34]NCSC APT29 July 2020
National Cyber Security Centre. (2020, July 16). Advisory: APT29 targets COVID-19 vaccine development. Retrieved September 29, 2020.
Open source URL - [35]Mandiant APT29 Microsoft 365 2022
Douglas Bienstock. (2022, August 18). You Can’t Audit Me: APT29 Continues Targeting Microsoft 365. Retrieved February 23, 2023.
Open source URL - [36]BlackBerry CostaRicto November 2020
The BlackBerry Research and Intelligence Team. (2020, November 12). The CostaRicto Campaign: Cyber-Espionage Outsourced. Retrieved May 24, 2021.
Open source URL - [37]CISA AA20-301A Kimsuky
CISA, FBI, CNMF. (2020, October 27). https://us-cert.cisa.gov/ncas/alerts/aa20-301a. Retrieved November 4, 2020.
Open source URL - [38]CERT Polska
CERT Polska. (2026, January 30). Energy Sector Incident Report – 29 December. Retrieved April 22, 2026.
Open source URL - [39]Dragos ELECTRUM JAN 2026
https://5943619.hs-sites.com/hubfs/Reports/dragos-2025-poland-attack-report.pdf. (2026, January). ELECTRUM: CYBER ATTACK ON POLAND’S ELECTRIC SYSTEM 2025. Retrieved April 22, 2026.
Open source URL - [40]FireEye Respond Webinar July 2017
Scavella, T. and Rifki, A. (2017, July 20). Are you Ready to Respond? (Webinar). Retrieved October 4, 2017.
Open source URL - [41]DarkReading FireEye FIN5 Oct 2015
Higgins, K. (2015, October 13). Prolific Cybercrime Gang Favors Legit Login Credentials. Retrieved October 4, 2017.
Open source URL - [42]Mandiant FIN5 GrrCON Oct 2016
Bromiley, M. and Lewis, P. (2016, October 7). Attacking the Hospitality and Gaming Industries: Tracking an Attacker Around the World in 7 Years. Retrieved October 6, 2017.
Open source URL - [43]MSTIC NOBELIUM Mar 2021
Nafisi, R., Lelli, A. (2021, March 4). GoldMax, GoldFinder, and Sibot: Analyzing NOBELIUM’s layered persistence. Retrieved March 8, 2021.
Open source URL - [44]CrowdStrike StellarParticle January 2022
CrowdStrike. (2022, January 27). Early Bird Catches the Wormhole: Observations from the StellarParticle Campaign. Retrieved February 7, 2022.
Open source URL - [45]Dell TG-3390
Dell SecureWorks Counter Threat Unit Threat Intelligence. (2015, August 5). Threat Group-3390 Targets Organizations for Cyberespionage. Retrieved August 18, 2018.
Open source URL - [46]SecureWorks BRONZE UNION June 2017
Counter Threat Unit Research Team. (2017, June 27). BRONZE UNION Cyberespionage Persists Despite Disclosures. Retrieved July 13, 2017.
Open source URL - [47]Hunt Sea Turtle 2024
Hunt & Hackett Research Team. (2024, January 5). Turkish espionage campaigns in the Netherlands. Retrieved November 20, 2024.
Open source URL - [48]Check Point VOID MANTICORE Handala Hack March 2026
Check Point Research. (2026, March 12). “Handala Hack” – Unveiling Group’s Modus Operandi. Retrieved April 20, 2026.
Open source URL - [49]Aqua Kinsing April 2020
Singer, G. (2020, April 3). Threat Alert: Kinsing Malware Attacks Targeting Container Environments. Retrieved April 1, 2021.
Open source URL - [50]Crowdstrike TELCO BPO Campaign December 2022
Parisi, T. (2022, December 2). Not a SIMulation: CrowdStrike Investigations Reveal Intrusion Campaign Targeting Telco and BPO Companies. Retrieved June 30, 2023.
Open source URL - [51]Secureworks REvil September 2019
Counter Threat Unit Research Team. (2019, September 24). REvil/Sodinokibi Ransomware. Retrieved August 4, 2020.
Open source URL - [52]Recorded Future TAG-144 AUG 2025
Insikt Group. (2025, August 26). TAG-144’s Persistent Grip on South American Organizations. Retrieved April 16, 2026.
Open source URL - [53]Cycraft Chimera April 2020
Cycraft. (2020, April 15). APT Group Chimera - APT Operation Skeleton key Targets Taiwan Semiconductor Vendors. Retrieved August 24, 2020..
Open source URL - [54]NCC Group Chimera January 2021
Jansen, W . (2021, January 12). Abusing cloud services to fly under the radar. Retrieved September 12, 2024.
Open source URL - [55]FireEye TRITON 2019
Miller, S, et al. (2019, April 10). TRITON Actor TTP Profile, Custom Attack Tools, Detections, and ATT&CK Mapping. Retrieved April 16, 2019.
Open source URL - [56]US-CERT TA18-074A
US-CERT. (2018, March 16). Alert (TA18-074A): Russian Government Cyber Activity Targeting Energy and Other Critical Infrastructure Sectors. Retrieved June 6, 2018.
Open source URL - [57]CISA AA20-296A Berserk Bear December 2020
CISA. (2020, December 1). Russian State-Sponsored Advanced Persistent Threat Actor Compromises U.S. Government Targets. Retrieved December 9, 2021.
Open source URL - [58]Secureworks GOLD SAHARA
Secureworks. (n.d.). GOLD SAHARA. Retrieved February 20, 2024.
Open source URL - [59]Cybersecurity Advisory GRU Brute Force Campaign July 2021
NSA, CISA, FBI, NCSC. (2021, July). Russian GRU Conducting Global Brute Force Campaign to Compromise Enterprise and Cloud Environments. Retrieved July 26, 2021.
Open source URL - [60]CISA Play Ransomware Advisory December 2023
CISA. (2023, December 18). #StopRansomware: Play Ransomware AA23-352A. Retrieved September 24, 2024.
Open source URL - [61]Trend Micro Ransomware Spotlight Play July 2023
Trend Micro Research. (2023, July 21). Ransomware Spotlight: Play. Retrieved September 24, 2024.
Open source URL - [62]FoxIT Wocao December 2019
Dantzig, M. v., Schamper, E. (2019, December 19). Operation Wocao: Shining a light on one of China’s hidden hacking groups. Retrieved October 8, 2020.
Open source URL - [63]CCCS ArcaneDoor 2024
Canadian Centre for Cyber Security. (2024, April 24). Cyber Activity Impacting CISCO ASA VPNs. Retrieved January 6, 2025.
Open source URL - [64]Intezer Doki July 20
Fishbein, N., Kajiloti, M.. (2020, July 28). Watch Your Containers: Doki Infecting Docker Servers in the Cloud. Retrieved March 30, 2021.
Open source URL - [65]CISA AA21-200A APT40 July 2021
CISA. (2021, July 19). (AA21-200A) Joint Cybersecurity Advisory – Tactics, Techniques, and Procedures of Indicted APT40 Actors Associated with China’s MSS Hainan State Security Department. Retrieved August 12, 2021.
Open source URL - [66]MacOS VNC software for Remote Desktop
Apple Support. (n.d.). Set up a computer running VNC software for Remote Desktop. Retrieved August 18, 2021.
Open source URL - [67]MacOS VNC software for Remote Desktop
Apple Support. (n.d.). Set up a computer running VNC software for Remote Desktop. Retrieved August 18, 2021.
Open source URL - [68]Russian threat actors dig in, prepare to seize on war fatigue
Microsoft Threat Intelligence. (2023, December 7). Russian threat actors dig in, prepare to seize on war fatigue. Retrieved June 18, 2025.
Open source URL - [69]Russian threat actors dig in, prepare to seize on war fatigue
Microsoft Threat Intelligence. (2023, December 7). Russian threat actors dig in, prepare to seize on war fatigue. Retrieved June 18, 2025.
Open source URL - [70]The BadPilot campaign
Microsoft Threat Intelligence. (2025, February 12). The BadPilot campaign: Seashell Blizzard subgroup conducts multiyear global access operation. Retrieved June 18, 2025.
Open source URL - [71]The BadPilot campaign
Microsoft Threat Intelligence. (2025, February 12). The BadPilot campaign: Seashell Blizzard subgroup conducts multiyear global access operation. Retrieved June 18, 2025.
Open source URL - [72]Trend Micro Exposed Docker Server
Remillano II, A., et al. (2020, June 20). XORDDoS, Kaiji Variants Target Exposed Docker Servers. Retrieved April 5, 2021.
Open source URL - [73]Trend Micro Exposed Docker Server
Remillano II, A., et al. (2020, June 20). XORDDoS, Kaiji Variants Target Exposed Docker Servers. Retrieved April 5, 2021.
Open source URL - [74]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [75]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [76]Volexity Virtual Private Keylogging
Adair, S. (2015, October 7). Virtual Private Keylogging: Cisco Web VPNs Leveraged for Access and Persistence. Retrieved March 20, 2017.
Open source URL - [77]Volexity Virtual Private Keylogging
Adair, S. (2015, October 7). Virtual Private Keylogging: Cisco Web VPNs Leveraged for Access and Persistence. Retrieved March 20, 2017.
Open source URL - [78]mitre-attackT1133Open source URL
- [79]mitre-attackT1133Open source URL
- [80]mitre-attackT1133Open source URL
- [81]Cisco Talos Intelligence Group
Darin Smith. (2022, April 21). TeamTNT targeting AWS, Alibaba. Retrieved August 4, 2022.
Open source URL - [82]Intezer TeamTNT September 2020
Fishbein, N. (2020, September 8). Attackers Abusing Legitimate Cloud Monitoring Tools to Conduct Cyber Attacks. Retrieved September 22, 2021.
Open source URL - [83]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [84]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [85]Mandiant FIN13 Aug 2022
Ta, V., et al. (2022, August 8). FIN13: A Cybercriminal Threat Actor Focused on Mexico. Retrieved February 9, 2023.
Open source URL - [86]Cybereason OperationCuckooBees May 2022
Cybereason Nocturnus. (2022, May 4). Operation CuckooBees: Deep-Dive into Stealthy Winnti Techniques. Retrieved September 22, 2022.
Open source URL - [87]Anomali Linux Rabbit 2018
Anomali Labs. (2018, December 6). Pulling Linux Rabbit/Rabbot Malware Out of a Hat. Retrieved March 4, 2019.
Open source URL - [88]McAfee Night Dragon
McAfee® Foundstone® Professional Services and McAfee Labs™. (2011, February 10). Global Energy Cyberattacks: “Night Dragon”. Retrieved February 19, 2018.
Open source URL - [89]SentinelLabs Metador Technical Appendix Sept 2022
SentinelLabs. (2022, September 22). Metador Technical Appendix. Retrieved April 4, 2023.
Open source URL - [90]CISA GRU29155 2024
US Cybersecurity & Infrastructure Security Agency et al. (2024, September 5). Russian Military Cyber Actors Target U.S. and Global Critical Infrastructure. Retrieved September 6, 2024.
Open source URL - [91]RSA2017 Detect and Respond Adair
Adair, S. (2017, February 17). Detecting and Responding to Advanced Threats within Exchange Environments. Retrieved November 17, 2024.
Open source URL - [92]ANSSI Sandworm January 2021
ANSSI. (2021, January 27). SANDWORM INTRUSION SET CAMPAIGN TARGETING CENTREON SYSTEMS. Retrieved March 30, 2021.
Open source URL - [93]ESET BlackEnergy Jan 2016
Cherepanov, A.. (2016, January 3). BlackEnergy by the SSHBearDoor: attacks against Ukrainian news media and electric industry . Retrieved June 10, 2020.
Open source URL - [94]ESET Telebots June 2017
Cherepanov, A.. (2017, June 30). TeleBots are back: Supply chain attacks against Ukraine. Retrieved June 11, 2020.
Open source URL - [95]mandiant_apt44_unearthing_sandworm
Roncone, G. et al. (n.d.). APT44: Unearthing Sandworm. Retrieved July 11, 2024.
Open source URL - [96]CISA AA24-038A PRC Critical Infrastructure February 2024
CISA et al.. (2024, February 7). PRC State-Sponsored Actors Compromise and Maintain Persistent Access to U.S. Critical Infrastructure. Retrieved May 15, 2024.
Open source URL - [97]Sygnia VelvetAnt 2024A
Sygnia Team. (2024, June 3). China-Nexus Threat Group ‘Velvet Ant’ Abuses F5 Load Balancers for Persistence. Retrieved March 14, 2025.
Open source URL - [98]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [99]Unit 42 Hildegard Malware
Chen, J. et al. (2021, February 3). Hildegard: New TeamTNT Cryptojacking Malware Targeting Kubernetes. Retrieved April 5, 2021.
Open source URL - [100]CrowdStrike Scattered Spider BYOVD January 2023
CrowdStrike. (2023, January 10). SCATTERED SPIDER Exploits Windows Security Deficiencies with Bring-Your-Own-Vulnerable-Driver Tactic in Attempt to Bypass Endpoint Security. Retrieved July 5, 2023.
Open source URL - [101]FireEye APT41 Aug 2019
Fraser, N., et al. (2019, August 7). Double DragonAPT41, a dual espionage and cyber crime operation APT41. Retrieved September 23, 2019.
Open source URL - [102]MSTIC DEV-0537 Mar 2022
MSTIC, DART, M365 Defender. (2022, March 24). DEV-0537 Criminal Actor Targeting Organizations for Data Exfiltration and Destruction. Retrieved May 17, 2022.
Open source URL - [103]NCC Group LAPSUS Apr 2022
Brown, D., et al. (2022, April 28). LAPSUS$: Recent techniques, tactics and procedures. Retrieved December 22, 2022.
Open source URL - [104]FireEye APT34 Webinar Dec 2017
Davis, S. and Caban, D. (2017, December 19). APT34 - New Targeted Attack in the Middle East. Retrieved December 20, 2017.
Open source URL - [105]Cybereason Soft Cell June 2019
Cybereason Nocturnus. (2019, June 25). Operation Soft Cell: A Worldwide Campaign Against Telecommunications Providers. Retrieved July 18, 2019.
Open source URL - [106]Microsoft GALLIUM December 2019
MSTIC. (2019, December 12). GALLIUM: Targeting global telecom. Retrieved January 13, 2021.
Open source URL - [107]Microsoft NICKEL December 2021
MSTIC. (2021, December 6). NICKEL targeting government organizations across Latin America and Europe. Retrieved March 18, 2022.
Open source URL - [108]NCC Group APT15 Alive and Strong
Smallridge, R. (2018, March 10). APT15 is alive and strong: An analysis of RoyalCli and RoyalDNS. Retrieved April 4, 2018.
Open source URL - [109]Booz Allen Hamilton
Booz Allen Hamilton. (2016). When The Lights Went Out. Retrieved December 18, 2024.
Open source URL - [110]Defending Against Malicious Cyber Activity Originating from Tor
CISA, FBI. (2020, July 1). Defending Against Malicious Cyber Activity Originating from Tor . Retrieved June 20, 2025.
Open source URL - [111]FireEye KEGTAP SINGLEMALT October 2020
Kimberly Goody, Jeremy Kennelly, Joshua Shilko, Steve Elovitz, Douglas Bienstock. (2020, October 28). Unhappy Hour Special: KEGTAP and SINGLEMALT With a Ransomware Chaser. Retrieved October 28, 2020.
Open source URL - [112]Mandiant APT29 Microsoft 365 2022
Douglas Bienstock. (2022, August 18). You Can’t Audit Me: APT29 Continues Targeting Microsoft 365. Retrieved February 23, 2023.
Open source URL - [113]NCSC APT29 July 2020
National Cyber Security Centre. (2020, July 16). Advisory: APT29 targets COVID-19 vaccine development. Retrieved September 29, 2020.
Open source URL - [114]BlackBerry CostaRicto November 2020
The BlackBerry Research and Intelligence Team. (2020, November 12). The CostaRicto Campaign: Cyber-Espionage Outsourced. Retrieved May 24, 2021.
Open source URL - [115]CISA AA20-301A Kimsuky
CISA, FBI, CNMF. (2020, October 27). https://us-cert.cisa.gov/ncas/alerts/aa20-301a. Retrieved November 4, 2020.
Open source URL - [116]CERT Polska
CERT Polska. (2026, January 30). Energy Sector Incident Report – 29 December. Retrieved April 22, 2026.
Open source URL - [117]Dragos ELECTRUM JAN 2026
https://5943619.hs-sites.com/hubfs/Reports/dragos-2025-poland-attack-report.pdf. (2026, January). ELECTRUM: CYBER ATTACK ON POLAND’S ELECTRIC SYSTEM 2025. Retrieved April 22, 2026.
Open source URL - [118]DarkReading FireEye FIN5 Oct 2015
Higgins, K. (2015, October 13). Prolific Cybercrime Gang Favors Legit Login Credentials. Retrieved October 4, 2017.
Open source URL - [119]FireEye Respond Webinar July 2017
Scavella, T. and Rifki, A. (2017, July 20). Are you Ready to Respond? (Webinar). Retrieved October 4, 2017.
Open source URL - [120]Mandiant FIN5 GrrCON Oct 2016
Bromiley, M. and Lewis, P. (2016, October 7). Attacking the Hospitality and Gaming Industries: Tracking an Attacker Around the World in 7 Years. Retrieved October 6, 2017.
Open source URL - [121]CrowdStrike StellarParticle January 2022
CrowdStrike. (2022, January 27). Early Bird Catches the Wormhole: Observations from the StellarParticle Campaign. Retrieved February 7, 2022.
Open source URL - [122]MSTIC NOBELIUM Mar 2021
Nafisi, R., Lelli, A. (2021, March 4). GoldMax, GoldFinder, and Sibot: Analyzing NOBELIUM’s layered persistence. Retrieved March 8, 2021.
Open source URL - [123]Dell TG-3390
Dell SecureWorks Counter Threat Unit Threat Intelligence. (2015, August 5). Threat Group-3390 Targets Organizations for Cyberespionage. Retrieved August 18, 2018.
Open source URL - [124]SecureWorks BRONZE UNION June 2017
Counter Threat Unit Research Team. (2017, June 27). BRONZE UNION Cyberespionage Persists Despite Disclosures. Retrieved July 13, 2017.
Open source URL - [125]Hunt Sea Turtle 2024
Hunt & Hackett Research Team. (2024, January 5). Turkish espionage campaigns in the Netherlands. Retrieved November 20, 2024.
Open source URL - [126]Check Point VOID MANTICORE Handala Hack March 2026
Check Point Research. (2026, March 12). “Handala Hack” – Unveiling Group’s Modus Operandi. Retrieved April 20, 2026.
Open source URL - [127]Aqua Kinsing April 2020
Singer, G. (2020, April 3). Threat Alert: Kinsing Malware Attacks Targeting Container Environments. Retrieved April 1, 2021.
Open source URL - [128]Crowdstrike TELCO BPO Campaign December 2022
Parisi, T. (2022, December 2). Not a SIMulation: CrowdStrike Investigations Reveal Intrusion Campaign Targeting Telco and BPO Companies. Retrieved June 30, 2023.
Open source URL - [129]Secureworks REvil September 2019
Counter Threat Unit Research Team. (2019, September 24). REvil/Sodinokibi Ransomware. Retrieved August 4, 2020.
Open source URL - [130]Recorded Future TAG-144 AUG 2025
Insikt Group. (2025, August 26). TAG-144’s Persistent Grip on South American Organizations. Retrieved April 16, 2026.
Open source URL - [131]Cycraft Chimera April 2020
Cycraft. (2020, April 15). APT Group Chimera - APT Operation Skeleton key Targets Taiwan Semiconductor Vendors. Retrieved August 24, 2020..
Open source URL - [132]NCC Group Chimera January 2021
Jansen, W . (2021, January 12). Abusing cloud services to fly under the radar. Retrieved September 12, 2024.
Open source URL - [133]FireEye TRITON 2019
Miller, S, et al. (2019, April 10). TRITON Actor TTP Profile, Custom Attack Tools, Detections, and ATT&CK Mapping. Retrieved April 16, 2019.
Open source URL - [134]CISA AA20-296A Berserk Bear December 2020
CISA. (2020, December 1). Russian State-Sponsored Advanced Persistent Threat Actor Compromises U.S. Government Targets. Retrieved December 9, 2021.
Open source URL - [135]US-CERT TA18-074A
US-CERT. (2018, March 16). Alert (TA18-074A): Russian Government Cyber Activity Targeting Energy and Other Critical Infrastructure Sectors. Retrieved June 6, 2018.
Open source URL - [136]Secureworks GOLD SAHARA
Secureworks. (n.d.). GOLD SAHARA. Retrieved February 20, 2024.
Open source URL - [137]Cybersecurity Advisory GRU Brute Force Campaign July 2021
NSA, CISA, FBI, NCSC. (2021, July). Russian GRU Conducting Global Brute Force Campaign to Compromise Enterprise and Cloud Environments. Retrieved July 26, 2021.
Open source URL - [138]CISA Play Ransomware Advisory December 2023
CISA. (2023, December 18). #StopRansomware: Play Ransomware AA23-352A. Retrieved September 24, 2024.
Open source URL - [139]Trend Micro Ransomware Spotlight Play July 2023
Trend Micro Research. (2023, July 21). Ransomware Spotlight: Play. Retrieved September 24, 2024.
Open source URL
Source: MITRE ATT&CK®. © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation. Glexia is not affiliated with or endorsed by MITRE.
