Sigma rule: SyncAppvPublishingServer Execution to Bypass Powershell Restriction

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b354032de9a4, updated 2022-12-25T00:00:00.000Z.

Rule

Title
SyncAppvPublishingServer Execution to Bypass Powershell Restriction
Status
test
Level
medium
Author
Ensar Şamil, @sblmsrsn, OSCD Community
Date
2020-10-05
Modified
2022-12-25
File
rules/windows/powershell/powershell_script/posh_ps_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_script
definition
Requirements: Script Block Logging must be enabled

Detection

selection:
    ScriptBlockText|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_script/posh_ps_syncappvpublishingserver_exe.yml

Sources and licences

  • SigmaHQ

    "SyncAppvPublishingServer Execution to Bypass Powershell Restriction" by Ensar Şamil, @sblmsrsn, OSCD Community (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/powershell/powershell_script/posh_ps_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 Execution to Bypass Powershell Restriction",
entity page, dataset version ref-b354032de9a4, updated 2022-12-25T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/dddfebae-c46f-439c-af7a-fdb6bde90218 (accessed 2026-11-03).
Underlying source: SigmaHQ rule dddfebae-c46f-439c-af7a-fdb6bde90218, 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.