Sigma rule: Deployment Of The AppX Package Was Blocked By The Policy

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-0deba5f85a70, updated 2023-01-11T00:00:00.000Z.

Rule

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

Detects an appx package deployment that was blocked by the local computer policy.
The following events indicate that an AppX package deployment was blocked by a policy:
- Event ID 441: The package deployment operation is blocked by the "Allow deployment operations in special profiles" policy
- Event ID 442: Deployments to non-system volumes are blocked by the "Disable deployment of Windows Store apps to non-system volumes" policy."
- Event ID 453: Package blocked by a platform policy.
- Event ID 454: Package blocked by a platform policy.

Log source

product: windows
service: appxdeployment-server

Detection

selection:
    EventID:
        - 441 # The package deployment operation is blocked by the "Allow deployment operations in special profiles" policy
        - 442 # Deployments to non-system volumes are blocked by the "Disable deployment of Windows Store apps to non-system volumes" policy."
        - 453 # Package blocked by a platform policy
        - 454 # Package blocked by a platform policy
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.

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_policy_block.yml

Sources and licences

SigmaHQ
"Deployment Of The AppX Package Was Blocked By The Policy" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/appxdeployment_server/win_appxdeployment_server_policy_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 Of The AppX Package Was Blocked By The Policy",
entity page, dataset version ref-0deba5f85a70, updated 2023-01-11T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e021bbb5-407f-41f5-9dc9-1864c45a7a51 (accessed 2026-11-03).
Underlying source: SigmaHQ rule e021bbb5-407f-41f5-9dc9-1864c45a7a51, 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.