T1204.001: Malicious Link
An adversary may rely upon a user clicking a malicious link in order to gain execution. Users may be subjected to social engineering to get them to click on a link that will lead to code execution. This user action will typically be observed as follow-on behavior from Spearphishing Link. Clicking on a link may also lead to other execution techniques such as exploitation of a browser or application vulnerability via Exploitation for Client Execution. Links may also lead users to download files that require execution via Malicious File.
Analyst context for executives and security teams
Malicious Link is a user-execution behavior: the attacker’s plan depends on a person clicking a link that can lead to code execution, a browser or application exploit, or a downloaded file that later runs. For leaders, the business issue is not just phishing awareness; it is whether the organization can connect the click to suspicious outbound traffic, downloads, endpoint changes, and follow-on activity quickly enough to contain an incident.
Executive priority
Prioritize this technique as a resilience and readiness test for email, web, endpoint, and incident response controls across Windows, macOS, and Linux environments. ATT&CK relationships show use by many campaigns and groups, including campaigns involving government, energy, oil and gas, defense, hospitality, education, and other sectors, so risk owners should ask whether high-value users and operationally sensitive teams receive extra protection, reporting paths, and investigation support. Compliance and audit evidence should show not only user training, but also URL/content restrictions, network prevention, and telemetry retention sufficient to reconstruct a click-to-execution chain.
Technical view
MITRE provides no official detection text for T1204.001, so validation should be built around the related detection strategy DET0066: user click, suspicious egress, download or file write, and follow-on activity. SOC teams should confirm they can correlate web or email link interaction with DNS/proxy/network events, browser or application behavior, downloaded artifacts, endpoint process execution, and any subsequent suspicious activity. Because the technique is execution-focused and often follows Spearphishing Link or leads to Exploitation for Client Execution or Malicious File, investigations should avoid treating the click as the endpoint of the alert; the key question is what executed or changed after the click.
Likely telemetry
- Email security and message/link rewriting logs where available
- Web proxy, secure web gateway, URL filtering, and browser navigation logs
- DNS query and network egress metadata related to clicked URLs
- Network intrusion detection/prevention events at boundaries
- Endpoint telemetry for browser/application child processes, downloads, file writes, and execution
Detection direction
- Validate coverage against the click-to-egress-to-download/write-to-follow-on sequence described by DET0066.
- Tune detections to distinguish routine browsing from risky patterns such as uncommon destinations, suspicious downloads, unexpected browser-spawned processes, or activity shortly after a reported phishing message.
- Correlate with related behaviors: Spearphishing Link as a likely precursor, Exploitation for Client Execution when a browser/application vulnerability is involved, and Malicious File when the link delivers a file requiring execution.
- Account for blind spots where encrypted web traffic, unmanaged browsers, personal email, short-lived URLs, or limited endpoint logging prevent reconstruction of the chain.
- Use campaign and group relationships as threat-intelligence context for prioritization, not as proof of local targeting or active exploitation.
Mitigation priorities
- Start with M1017 User Training focused on recognizing and reporting social engineering that asks users to click links, with special attention to high-risk roles and contractors.
- Implement M1021 Restrict Web-Based Content through policy-based URL filtering, unsafe download restrictions, script or extension controls where appropriate, and consistent enforcement across supported platforms.
- Use M1031 Network Intrusion Prevention to block known malicious or policy-violating traffic at network boundaries where signatures or rules are available.
- Pair preventive controls with incident-response playbooks that preserve the clicked URL, user, device, downloaded content, and follow-on activity for triage.
Analyst notes and limits
This object is a sub-technique of T1204 User Execution and applies to Linux, macOS, and Windows. The relationship set is broad, including multiple named campaigns and groups, which supports treating malicious links as a common operational pathway rather than a niche behavior. Some campaign descriptions include energy, oil and gas, petrochemical, SCADA-related, defense, government, education, hospitality, and private-sector contexts, making this relevant to both enterprise and cyber-physical risk discussions where those environments exist.
MITRE does not provide official detection guidance for this object, so detection recommendations rely on the supplied DET0066 relationship and the official technique description. The supplied data does not prove current activity, attribution against any specific organization, exploitability of a specific vulnerability, or guaranteed detection coverage. Local telemetry, control configuration, user population, and incident history are required to assess exposure.
Malicious Link
An adversary may rely upon a user clicking a malicious link in order to gain execution. Users may be subjected to social engineering to get them to click on a link that will lead to code execution. This user action will typically be observed as follow-on behavior from Spearphishing Link. Clicking on a link may also lead to other execution techniques such as exploitation of a browser or application vulnerability via Exploitation for Client Execution. Links may also lead users to download files that require execution via Malicious File.
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.
Related techniques
This mirrors the MITRE pattern of making group, software, campaign, and technique relationships scannable. Relationship notes come from mirrored ATT&CK relationship text when available.
| Domain | ID | Name | Relationship / procedure |
|---|---|---|---|
| Enterprise | T1204 | User Execution | This object subtechnique of User Execution. |
Groups, software, and campaigns
G0046: FIN7
FIN7 is a financially-motivated threat group that has been active since 2013. FIN7 has targeted the retail, restaurant, hospitality, software, consulting, financial services, medical equipment, cloud services, media, food and beverage, transportation, pharmaceutical, and utilities industries in the United States. A portion of FIN7 was operated out of a front company called Combi Security and often used point-of-sale malware for targeting efforts. Since 2020, FIN7 shifted operations to big game hunting (BGH), including use of REvil ransomware and their own Ransomware-as-a-Service (RaaS), Darkside. FIN7 may be linked to the Carbanak Group, but multiple threat groups have been observed using Carbanak, leading these groups to be tracked separately.[1][2][3][4][5][6][7]
G0098: BlackTech
BlackTech is a suspected Chinese cyber espionage group that has primarily targeted organizations in East Asia--particularly Taiwan, Japan, and Hong Kong--and the US since at least 2013. BlackTech has used a combination of custom malware, dual-use tools, and living off the land tactics to compromise media, construction, engineering, electronics, and financial company networks.[1][2][3]
G0129: Mustang Panda
Mustang Panda is a China-based cyber espionage threat actor that has been conducting operations since at least 2012. Mustang Panda has been known to use tailored phishing lures and decoy documents to deliver malicious payloads. Mustang Panda has targeted government, diplomatic, and non-governmental organizations, including think tanks, religious institutions, and research entities, across the United States, Europe, and Asia, with notable activity in Russia, Mongolia, Myanmar, Pakistan, and Vietnam. [1][2][3][4][5][6][7][8][9][10][11][12][13]
G0021: Molerats
G0112: Windshift
G0094: Kimsuky
Kimsuky is a Democratic People's Republic of Korea (DPRK)-based cyber espionage group that has been active since at least 2012. The group initially targeted South Korean government agencies, think tanks, and subject-matter experts in various fields. Its operations expanded to include the United Nations and organizations in the government, education, business services, and manufacturing sectors across the United States, Japan, Russia, and Europe. Kimsuky has focused collection on foreign policy and national security issues tied to the Korean Peninsula, nuclear policy, and sanctions. Kimsuky operations have overlapped with those of other North Korean state-sponsored cyber espionage actors as a result of ad hoc collaborations or other limited resource sharing.[1][2][3][4][5][6]
Kimsuky was assessed to be responsible for the 2014 Korea Hydro & Nuclear Power Co. compromise; other notable campaigns include Operation STOLEN PENCIL (2018), Operation Kabar Cobra (2019), and Operation Smoke Screen (2019).[7][8][9] In 2023, Kimsuky was observed using commercial large language models (LLMs) to assist with vulnerability research, scripting, social engineering and reconnaissance.[10]
DPRK threat actor cluster boundaries overlap in open source reporting, with some security researchers consolidating all attributed North Korean state-sponsored cyber activity under Lazarus Group, rather than tracking operationally distinct subgroups.
G0140: LazyScripter
LazyScripter is threat group that has mainly targeted the airlines industry since at least 2018, primarily using open-source toolsets.[1]
G0142: Confucius
Confucius is a cyber espionage group that has primarily targeted military personnel, high-profile personalities, business persons, and government organizations in South Asia since at least 2013. Security researchers have noted similarities between Confucius and Patchwork, particularly in their respective custom malware code and targets.[1][2][3]
G1031: Saint Bear
Saint Bear is a Russian-nexus threat actor active since early 2021, primarily targeting entities in Ukraine and Georgia. The group is notable for a specific remote access tool, Saint Bot, and information stealer, OutSteel in campaigns. Saint Bear typically relies on phishing or web staging of malicious documents and related file types for initial access, spoofing government or related entities.[1][2] Saint Bear has previously been confused with Ember Bear operations, but analysis of behaviors, tools, and targeting indicates these are distinct clusters.
G0090: WIRTE
WIRTE is a cyberespionage actor, believed to be a subgroup of the Hamas-affiliated Gaza Cybergang, that has been active since at least August 2018. WIRTE has targeted diplomatic, financial, military, legal, and technology organizations across the Middle East, North Africa, and in Europe to gather intelligence. WIRTE has remained persistently active despite the ongoing Israel-Hamas conflict and has expanded their operations to include wiper malware attacks against Israeli targets.[1][2][3][4]
G0082: APT38
APT38 is a North Korean state-sponsored threat group that specializes in financial cyber operations; it has been attributed to the Reconnaissance General Bureau.[1] Active since at least 2014, APT38 has targeted banks, financial institutions, casinos, cryptocurrency exchanges, SWIFT system endpoints, and ATMs in at least 38 countries worldwide. Significant operations include the 2016 Bank of Bangladesh heist, during which APT38 stole $81 million, as well as attacks against Bancomext [2] and Banco de Chile [2]; some of their attacks have been destructive.[1][2][3][4]
North Korean group definitions are known to have significant overlap, and some security researchers report all North Korean state-sponsored cyber activity under the name Lazarus Group instead of tracking clusters or subgroups.
G0061: FIN8
FIN8 is a financially motivated threat group that has been active since at least January 2016, and known for targeting organizations in the hospitality, retail, entertainment, insurance, technology, chemical, and financial sectors. In June 2021, security researchers detected FIN8 switching from targeting point-of-sale (POS) devices to distributing a number of ransomware variants.[1][2][3][4]
S0531: Grandoreiro
Grandoreiro is a banking trojan written in Delphi that was first observed in 2016 and uses a Malware-as-a-Service (MaaS) business model. Grandoreiro has confirmed victims in Brazil, Mexico, Portugal, and Spain.[1][2]
S0534: Bazar
Bazar is a downloader and backdoor that has been used since at least April 2020, with infections primarily against professional services, healthcare, manufacturing, IT, logistics and travel companies across the US and Europe. Bazar reportedly has ties to TrickBot campaigns and can be used to deploy additional malware, including ransomware, and to steal sensitive data.[1]
S1017: OutSteel
OutSteel is a file uploader and document stealer developed with the scripting language AutoIT that has been used by Saint Bear since at least March 2021.[1]
S0198: NETWIRE
S1030: Squirrelwaffle
Squirrelwaffle is a loader that was first seen in September 2021. It has been used in spam email campaigns to deliver additional malware such as Cobalt Strike and the QakBot banking trojan.[1][2]
S0650: QakBot
S1160: Latrodectus
Latrodectus is a Windows malware downloader that has been used since at least 2023 to download and execute additional payloads and modules. Latrodectus has most often been distributed through email campaigns, primarily by TA577 and TA578, and has infrastructure overlaps with historic IcedID operations.[1][2][3]
S0499: Hancitor
S0528: Javali
S0649: SMOKEDHAM
S1086: Snip3
Snip3 is a sophisticated crypter-as-a-service that has been used since at least 2021 to obfuscate and load numerous strains of malware including AsyncRAT, Revenge RAT, Agent Tesla, and NETWIRE.[1][2]
S9026: ROAMINGHOUSE
ROAMINGHOUSE is a dropper malware used by MirrorFace to extract and execute embedded payloads including UPPERCUT components.[1]
C0060: Operation AkaiRyū
Operation AkaiRyū (Japanese for RedDragon) was a cyberespionage spearphishing campaign conducted by MirrorFace between June and September 2024 against entities in Japan and Central Europe. Operation AkaiRyū notably included the first reported targeting of a European entity by MirrorFace, as well as their use of UPPERCUT, which was thought to be exclusive to menuPass.[1][2]
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]
C0005: Operation Spalax
Operation Spalax was a campaign that primarily targeted Colombian government organizations and private companies, particularly those associated with the energy and metallurgical industries. The Operation Spalax threat actors distributed commodity malware and tools using generic phishing topics related to COVID-19, banking, and law enforcement action. Security researchers noted indicators of compromise and some infrastructure overlaps with other campaigns dating back to April 2018, including at least one separately attributed to APT-C-36, however identified enough differences to report this as separate, unattributed activity.[1]
C0016: Operation Dust Storm
Operation Dust Storm was a long-standing persistent cyber espionage campaign that targeted multiple industries in Japan, South Korea, the United States, Europe, and several Southeast Asian countries. By 2015, the Operation Dust Storm threat actors shifted from government and defense-related intelligence targets to Japanese companies or Japanese subdivisions of larger foreign organizations supporting Japan's critical infrastructure, including electricity generation, oil and natural gas, finance, transportation, and construction.[1]
Operation Dust Storm threat actors also began to use Android backdoors in their operations by 2015, with all identified victims at the time residing in Japan or South Korea.[1]
C0022: Operation Dream Job
Operation Dream Job was a cyber espionage operation likely conducted by Lazarus Group that targeted the defense, aerospace, government, and other sectors in the United States, Israel, Australia, Russia, and India. In at least one case, the cyber actors tried to monetize their network access to conduct a business email compromise (BEC) operation. In 2020, security researchers noted overlapping TTPs, to include fake job lures and code similarities, between Operation Dream Job, Operation North Star, and Operation Interception; by 2022 security researchers described Operation Dream Job as an umbrella term covering both Operation Interception and Operation North Star.[1][2][3][4]
C0021: C0021
C0021 was a spearphishing campaign conducted in November 2018 that targeted public sector institutions, non-governmental organizations (NGOs), educational institutions, and private-sector corporations in the oil and gas, chemical, and hospitality industries. The majority of targets were located in the US, particularly in and around Washington D.C., with other targets located in Europe, Hong Kong, India, and Canada. C0021's technical artifacts, tactics, techniques, and procedures (TTPs), and targeting overlap with previous suspected APT29 activity.[1][2]
C0037: Water Curupira Pikabot Distribution
Pikabot was distributed in Water Curupira Pikabot Distribution throughout 2023 by an entity linked to BlackBasta ransomware deployment via email attachments. This activity followed the take-down of QakBot, with several technical overlaps and similarities with QakBot, indicating a possible connection. The identified activity led to the deployment of tools such as Cobalt Strike, while coinciding with campaigns delivering DarkGate and IcedID en route to ransomware deployment.[1]
C0011: C0011
C0011 was a suspected cyber espionage campaign conducted by Transparent Tribe that targeted students at universities and colleges in India. Security researchers noted this campaign against students was a significant shift from Transparent Tribe's historic targeting Indian government, military, and think tank personnel, and assessed it was still ongoing as of July 2022.[1]
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 | 1.2 | Current bundle | 024f4863901a… |
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.
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mitre-attack T1204.001Open source URL
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