title: Time Travel Debugging Utility Usage
author: Ensar Şamil, @sblmsrsn, @oscd_initiative
date: 2020/10/06
description: Detects usage of Time Travel Debugging Utility. Adversaries can execute
  malicious processes and dump processes, such as lsass.exe, via tttracer.exe.
detection:
  SELECTION_1:
    EventID: 7
  SELECTION_2:
    ImageLoaded:
    - '*\ttdrecord.dll'
    - '*\ttdwriter.dll'
    - '*\ttdloader.dll'
  condition: (SELECTION_1 and SELECTION_2)
falsepositives:
- Legitimate usage by software developers/testers
id: e76c8240-d68f-4773-8880-5c6f63595aaf
level: high
logsource:
  category: image_load
  product: windows
modified: 2021/09/21
references:
- https://lolbas-project.github.io/lolbas/Binaries/Tttracer/
- https://twitter.com/mattifestation/status/1196390321783025666
- https://twitter.com/oulusoyum/status/1191329746069655553
status: experimental
tags:
- attack.defense_evasion
- attack.credential_access
- attack.t1218
- attack.t1003.001
ruletype: SIGMA