APT PRIVATELOG Image Load Pattern

calendar Jun 20, 2023 · attack.defense_evasion attack.privilege_escalation attack.t1055 detection.emerging_threats  ·
Share on: linkedin copy

Detects an image load pattern as seen when a tool named PRIVATELOG is used and rarely observed under legitimate circumstances

Sigma rule (View on GitHub)

 1title: APT PRIVATELOG Image Load Pattern
 2id: 33a2d1dd-f3b0-40bd-8baf-7974468927cc
 3status: test
 4description: Detects an image load pattern as seen when a tool named PRIVATELOG is used and rarely observed under legitimate circumstances
 5references:
 6    - https://web.archive.org/web/20210901184449/https://www.fireeye.com/blog/threat-research/2021/09/unknown-actor-using-clfs-log-files-for-stealth.html
 7author: Florian Roth (Nextron Systems)
 8date: 2021/09/07
 9modified: 2022/10/09
10tags:
11    - attack.defense_evasion
12    - attack.privilege_escalation
13    - attack.t1055
14    - detection.emerging_threats
15logsource:
16    category: image_load
17    product: windows
18detection:
19    selection:
20        Image|endswith: '\svchost.exe'
21        ImageLoaded|endswith: '\clfsw32.dll'
22    condition: selection
23falsepositives:
24    - Rarely observed
25level: high

References

Related rules

to-top