Sigma rule: Remote PowerShell Session (PS Module)

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-34eeddded52d, updated 2023-01-20T00:00:00.000Z.

Rule

Title
Remote PowerShell Session (PS Module)
Status
test
Level
high
Author
Roberto Rodriguez @Cyb3rWard0g, Tim Shelton
Date
2019-08-10
Modified
2023-01-20
File
rules/windows/powershell/powershell_module/posh_pm_remote_powershell_session.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects remote PowerShell sessions

Log source

product
windows
category
ps_module
definition
0ad03ef1-f21b-4a79-8ce8-e6900c54b65b

Detection

selection:
    ContextInfo|contains|all:
        - ' = ServerRemoteHost ' #  HostName: 'ServerRemoteHost'  french : Nom d’hôte =
        - 'wsmprovhost.exe'      #  HostApplication|contains: 'wsmprovhost.exe' french  Application hôte =
filter_pwsh_archive:
    ContextInfo|contains: '\Windows\system32\WindowsPowerShell\v1.0\Modules\Microsoft.PowerShell.Archive\Microsoft.PowerShell.Archive.psm1'
condition: selection and not 1 of filter_*

False positives (as the rule lists them)

  • Legitimate use remote PowerShell sessions

Tags

  • attack.execution
  • attack.t1059.001
  • attack.lateral-movement
  • attack.t1021.006

MITRE ATT&CK ids this rule names

References

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_module/posh_pm_remote_powershell_session.yml

Sources and licences

  • SigmaHQ

    "Remote PowerShell Session (PS Module)" by Roberto Rodriguez @Cyb3rWard0g, Tim Shelton (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_module/posh_pm_remote_powershell_session.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Remote PowerShell Session (PS Module)",
entity page, dataset version ref-34eeddded52d, updated 2023-01-20T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/96b9f619-aa91-478f-bacb-c3e50f8df575 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 96b9f619-aa91-478f-bacb-c3e50f8df575, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.