Sigma rule: SyncAppvPublishingServer Bypass Powershell Restriction - PS Module

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-a513fb620644, updated 2022-12-02T00:00:00.000Z.

Rule

Title
SyncAppvPublishingServer Bypass Powershell Restriction - PS Module
Status
test
Level
medium
Author
Ensar Şamil, @sblmsrsn, OSCD Community
Date
2020-10-05
Modified
2022-12-02
File
rules/windows/powershell/powershell_module/posh_pm_syncappvpublishingserver_exe.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects SyncAppvPublishingServer process execution which usually utilized by adversaries to bypass PowerShell execution restrictions.

Log source

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

Detection

selection:
    ContextInfo|contains: 'SyncAppvPublishingServer.exe'
condition: selection

False positives (as the rule lists them)

  • App-V clients

Tags

  • attack.stealth
  • attack.t1218

MITRE ATT&CK ids this rule names

Related rules

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_syncappvpublishingserver_exe.yml

Sources and licences

  • SigmaHQ

    "SyncAppvPublishingServer Bypass Powershell Restriction - PS Module" by Ensar Şamil, @sblmsrsn, OSCD Community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_module/posh_pm_syncappvpublishingserver_exe.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: SyncAppvPublishingServer Bypass Powershell Restriction - PS Module",
entity page, dataset version ref-a513fb620644, updated 2022-12-02T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/fe5ce7eb-dad8-467c-84a9-31ec23bd644a (accessed 2026-11-03).
Underlying source: SigmaHQ rule fe5ce7eb-dad8-467c-84a9-31ec23bd644a, 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.