Emerging Threathightest
Onyx Sleet APT File Creation Indicators
Detects file creation activity that is related to Onyx Sleet APT activity
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Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Emerging Threat
Active Threat
Developed to detect an active or emerging threat. Prioritize investigation of any alerts and correlate with threat intelligence.
Log Source
WindowsFile Event
ProductWindows← raw: windows
CategoryFile Event← raw: file_event
Events for file system activity including creation, modification, and deletion.
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetFilename|endswith: ':\Windows\ADFS\bg\inetmgr.exe'
condition: selectionFalse Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
References
MITRE ATT&CK
Tactics
Other
detection.emerging-threats
Rule Metadata
Rule ID
2fef4fd9-7206-40d1-b4f5-ad6441d0cd9b
Status
test
Level
high
Type
Emerging Threat
Created
Tue Oct 24
Path
rules-emerging-threats/2023/TA/Onyx-Sleet/file_event_win_apt_onyx_sleet_indicators.yml
Raw Tags
attack.executiondetection.emerging-threats