title: APT PRIVATELOG Image Load Pattern id: 33a2d1dd-f3b0-40bd-8baf-7974468927cc status: test description: Detects an image load pattern as seen when a tool named PRIVATELOG is used and rarely observed under legitimate circumstances references: - https://web.archive.org/web/20210901184449/https://www.fireeye.com/blog/threat-research/2021/09/unknown-actor-using-clfs-log-files-for-stealth.html author: Florian Roth (Nextron Systems) date: 2021-09-07 modified: 2022-10-09 tags: - attack.privilege-escalation - attack.stealth - attack.t1055 - detection.emerging-threats logsource: category: image_load product: windows detection: selection: Image|endswith: '\svchost.exe' ImageLoaded|endswith: '\clfsw32.dll' condition: selection falsepositives: - Rarely observed level: high