Sigma rule: Time Travel Debugging Utility Usage - Image

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-912e7e6fa5fc, updated 2022-12-02T00:00:00.000Z.

Rule

Title
Time Travel Debugging Utility Usage - Image
Status
test
Level
high
Author
Ensar Şamil, @sblmsrsn, @oscd_initiative
Date
2020-10-06
Modified
2022-12-02
File
rules/windows/image_load/image_load_dll_tttracer_module_load.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects usage of Time Travel Debugging Utility. Adversaries can execute malicious processes and dump processes, such as lsass.exe, via tttracer.exe.

Log source

product
windows
category
image_load

Detection

selection:
    ImageLoaded|endswith:
        - '\ttdrecord.dll'
        - '\ttdwriter.dll'
        - '\ttdloader.dll'
condition: selection

False positives (as the rule lists them)

  • Legitimate usage by software developers/testers

Tags

  • attack.credential-access
  • attack.stealth
  • attack.t1218
  • attack.t1003.001

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/image_load/image_load_dll_tttracer_module_load.yml

Sources and licences

  • SigmaHQ

    "Time Travel Debugging Utility Usage - Image" by Ensar Şamil, @sblmsrsn, @oscd_initiative (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/image_load/image_load_dll_tttracer_module_load.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Time Travel Debugging Utility Usage - Image",
entity page, dataset version ref-912e7e6fa5fc, updated 2022-12-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e76c8240-d68f-4773-8880-5c6f63595aaf (accessed 2026-11-03).
Underlying source: SigmaHQ rule e76c8240-d68f-4773-8880-5c6f63595aaf, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.