Detectionmediumtest
Suspicious Start-Process PassThru
Powershell use PassThru option to start in background
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Log Source
WindowsPowerShell Script
ProductWindows← raw: windows
CategoryPowerShell Script← raw: ps_script
Definition
Requirements: Script Block Logging must be enabled
Detection Logic
Detection Logic1 selector
detection:
selection:
ScriptBlockText|contains|all:
- Start-Process
- '-PassThru '
- '-FilePath '
condition: selectionFalse Positives
Legitimate PowerShell scripts
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
0718cd72-f316-4aa2-988f-838ea8533277
Status
test
Level
medium
Type
Detection
Created
Sat Jan 15
Author
Path
rules/windows/powershell/powershell_script/posh_ps_susp_start_process.yml
Raw Tags
attack.defense-evasionattack.t1036.003