Live Active security incident? Get immediate response
MITRE ATT&CK® Malware

S0076: FakeM

FakeM is a shellcode-based Windows backdoor that has been used by Scarlet Mimic. [1]

EnterpriseS0076MalwareObject v1.1 Modified
Glexia's Take

Analyst context for executives and security teams

Analyst confidence Medium

FakeM matters because ATT&CK describes it as a shellcode-based Windows backdoor with relationships to credential collection and covert command-and-control behaviors. For leaders, the practical issue is not just the malware name: it represents a scenario where an endpoint compromise may be used to capture keystrokes and communicate in ways designed to blend into or obscure normal network traffic.

Executive priority

Prioritize this as a resilience and identity-risk validation item for Windows environments. Ask whether the organization can prove it collects enough endpoint and network evidence to investigate a backdoor that may use keylogging, protocol/service impersonation, non-application-layer communications, and symmetric encryption. Because ATT&CK provides no official detection text for FakeM, coverage should be demonstrated through control validation and incident response playbooks rather than assumed from malware naming alone.

Technical view

SOC and IR teams should validate visibility around the ATT&CK relationships supplied for FakeM: T1056.001 Keylogging for credential-access/collection behavior, T1001.003 Protocol or Service Impersonation, T1095 Non-Application Layer Protocol, and T1573.001 Symmetric Cryptography for command-and-control. Since the malware platform is Windows and no official detection logic is provided, detection engineering should focus on behavior-level evidence from Windows endpoints and network controls rather than relying on a FakeM-specific signature.

Likely telemetry

  • Windows endpoint detection and response events for suspicious backdoor-like process, memory, and execution behavior
  • Host telemetry that can expose keylogging or abnormal credential-collection behavior
  • Network flow, firewall, IDS, or packet metadata showing unusual outbound communication patterns
  • Evidence of protocol or service impersonation, including traffic that appears to mimic legitimate services
  • Telemetry capable of identifying non-application-layer or otherwise unusual protocol use where collected

Detection direction

  • Do not treat the absence of ATT&CK-provided detection guidance as absence of risk; map coverage to the related techniques instead.
  • Validate whether Windows endpoint tooling can surface keylogging-relevant behavior and suspicious shellcode/backdoor execution patterns.
  • Tune network detections for protocol impersonation and encrypted C2 patterns while accounting for false positives from legitimate encrypted business traffic.
  • Confirm whether the environment collects enough packet, flow, and firewall metadata to investigate non-standard or non-application-layer communications.
  • Use the Scarlet Mimic relationship as threat-intelligence context, but do not assume attribution without local evidence.

Mitigation priorities

  • Harden and monitor Windows endpoints where this malware is in scope.
  • Reduce unnecessary outbound connectivity and apply egress controls that make unusual C2 paths easier to detect and contain.
  • Prioritize credential protection and response procedures because the related behavior includes keylogging.
  • Ensure incident response playbooks include host isolation, credential review, and network traffic analysis for suspected backdoor activity.
  • Use ATT&CK technique relationships to drive control testing where malware-specific detections are not available.
Analyst notes and limits

ATT&CK identifies FakeM as a shellcode-based Windows backdoor used by Scarlet Mimic and links it to keylogging plus multiple command-and-control techniques. The most useful defensive takeaway is to validate behavior-based coverage for Windows endpoint compromise, credential capture, and covert network communication rather than focusing only on the malware family name.

The supplied ATT&CK object has no official detection text, no aliases, and no object-level tactics listed. This take is limited to the provided description, external references, and relationships; local telemetry, samples, incident data, or vendor detections would be required to assess actual exposure or coverage.

Official MITRE ATT&CK definition

FakeM

FakeM is a shellcode-based Windows backdoor that has been used by Scarlet Mimic. [1]

View the same entry on attack.mitre.org (MITRE-hosted reference; in-page links above use the Glexia ATT&CK library.)

Glexia analysis

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.

ATT&CK relationship table

Techniques used

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.

4 rows
Domain ID Name Relationship / procedure
Enterprise T1095 Non-Application Layer Protocol

Some variants of FakeM use SSL to communicate with C2 servers.CitationScarlet Mimic Jan 2016

Enterprise T1573.001 Symmetric Cryptography Sub-technique

The original variant of FakeM encrypts C2 traffic using a custom encryption cipher that uses an XOR key of “YHCRA” and bit rotation between each XOR operation. Some variants of FakeM use RC4 to encrypt C2 traffic.CitationScarlet Mimic Jan 2016

Enterprise T1056.001 Keylogging Sub-technique

FakeM contains a keylogger module.CitationScarlet Mimic Jan 2016

Enterprise T1001.003 Protocol or Service Impersonation Sub-technique

FakeM C2 traffic attempts to evade detection by resembling data generated by legitimate messenger applications, such as MSN and Yahoo! messengers. Additionally, some variants of FakeM use modified SSL code for communications back to C2 servers, making SSL decryption ineffective.CitationScarlet Mimic Jan 2016

Associated objects

Groups, software, and campaigns

Group Enterprise

G0029: Scarlet Mimic

Scarlet Mimic is a threat group that has targeted minority rights activists. This group has not been directly linked to a government source, but the group's motivations appear to overlap with those of the Chinese government. While there is some overlap between IP addresses used by Scarlet Mimic and Putter Panda, it has not been concluded that the groups are the same. [1]

Relationship explorer

All related ATT&CK context

Change history

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 .

ATT&CK release
19.1
Object version
1.1
Created
Modified
Raw hash
247b616863ccdb55...
Imported snapshots across ATT&CK releases (1)
Release Bundle imported Object version Modified Status Raw hash
19.1 1.1 Current bundle 247b616863cc…
Raw source

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.

Source references

External references and citations

MITRE external references are preserved separately from Glexia analysis so citations remain traceable to their original source records.

  1. [1]
    Scarlet Mimic Jan 2016

    Falcone, R. and Miller-Osborn, J.. (2016, January 24). Scarlet Mimic: Years-Long Espionage Campaign Targets Minority Activists. Retrieved February 10, 2016.

    Open source URL
  2. [2]
    mitre-attack S0076
    Open source URL
Source and licensing

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.