Emerging Threathightest
Potential APT FIN7 Related PowerShell Script Created
Detects PowerShell script file creation with specific name or suffix which was seen being used often by FIN7 PowerShell scripts
Convert In Phoenix Studio
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: '_64refl.ps1'
- TargetFilename: 'host_ip.ps1'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
References
MITRE ATT&CK
Rule Metadata
Rule ID
a88d9f45-ec8a-4b0e-85ee-c9f6a65e9128
Status
test
Level
high
Type
Emerging Threat
Created
Thu May 04
Path
rules-emerging-threats/2023/TA/FIN7/file_event_win_apt_fin7_powershell_scripts_naming_convention.yml
Raw Tags
attack.executionattack.g0046detection.emerging-threats