Sigma rule: Deployment AppX Package Was Blocked By AppLocker

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-c9652a44e9f5, updated 2023-01-11T00:00:00.000Z.

Rule

Title
Deployment AppX Package Was Blocked By AppLocker
Status
test
Level
medium
Author
frack113
Date
2023-01-11
File
rules/windows/builtin/appxdeployment_server/win_appxdeployment_server_applocker_block.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects an appx package deployment that was blocked by AppLocker policy.

Log source

product
windows
service
appxdeployment-server

Detection

selection:
    EventID: 412
condition: selection

False positives (as the rule lists them)

  • Unlikely, since this event notifies about blocked application deployment. Tune your applocker rules to avoid blocking legitimate applications.

Tags

  • attack.stealth

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/builtin/appxdeployment_server/win_appxdeployment_server_applocker_block.yml

Sources and licences

  • SigmaHQ

    "Deployment AppX Package Was Blocked By AppLocker" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/appxdeployment_server/win_appxdeployment_server_applocker_block.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: Deployment AppX Package Was Blocked By AppLocker",
entity page, dataset version ref-c9652a44e9f5, updated 2023-01-11T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6ae53108-c3a0-4bee-8f45-c7591a2c337f (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6ae53108-c3a0-4bee-8f45-c7591a2c337f, 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.