Detectionmediumtest
Remote PowerShell Session Host Process (WinRM)
Detects remote PowerShell sections by monitoring for wsmprovhost (WinRM host process) as a parent or child process (sign of an active PowerShell remote session).
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Roberto Rodriguez (Cyb3rWard0g)Created Thu Sep 12Updated Sun Oct 09734f8d9b-42b8-41b2-bcf5-abaf49d5a3c8windows
Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic1 selector
detection:
selection:
- Image|endswith: '\wsmprovhost.exe'
- ParentImage|endswith: '\wsmprovhost.exe'
condition: selectionFalse Positives
Legitimate usage of remote Powershell, e.g. for monitoring purposes.
MITRE ATT&CK
Rule Metadata
Rule ID
734f8d9b-42b8-41b2-bcf5-abaf49d5a3c8
Status
test
Level
medium
Type
Detection
Created
Thu Sep 12
Modified
Sun Oct 09
Path
rules/windows/process_creation/proc_creation_win_winrm_remote_powershell_session_process.yml
Raw Tags
attack.executionattack.lateral-movementattack.t1059.001attack.t1021.006