Detection rules › Sigma
AppX Located in Uncommon Directory Added to Deployment Pipeline
Detects an appx package that was added to the pipeline of the "to be processed" packages that is located in uncommon locations.
Event coverage
| Provider | Event ID | Title |
|---|---|---|
| AppXDeployment-Server | 854 | Successfully added the following uri(s) to be processed: Path. |
Stages and Predicates
Stage 1: selection
Stage 2: not 1 of filter_main_*
or:
Path|contains: ':/Program%20Files'
Path|contains: ':/Windows/System32/'
Path|contains: ':\Program Files (x86)\'
Path|contains: ':\Program Files\'
Path|contains: ':\Windows\ImmersiveControlPanel\'
Path|contains: ':\Windows\PrintDialog\'
Path|contains: ':\Windows\SystemApps\'
Path|contains: 'AppData/Local/Temp/WinGet/Microsoft.Winget.Source'
Path|contains: 'https://installer.teams.static.microsoft/'
Path|contains: 'https://res.cdn.office.net'
Path|contains: 'https://statics.teams.cdn.live.net/'
Path|contains: 'https://statics.teams.cdn.office.net/'
Path|contains: microsoft.com
Path|contains: 'x-windowsupdate://'
Stage 3: not 1 of filter_optional_*
or:
Path|contains: 'AppData/Local/Temp/WinGet/Microsoft.Winget.Source'
Path|contains: 'AppData\Local\Microsoft\OneDrive\'
Path|contains: 'AppData\Local\Temp\WinGet\Microsoft.Winget.Source'
Path|contains: 'x-windowsupdate://'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
Path | match |
|
Neighbors
Stricter alternatives (narrower than this rule)
The rules below may be useful if you find the current rule is too noisy / lacks specificity.
- Windows AppX Deployment Package Installation Success (adds 1 filter)
- Remote AppX Package Downloaded from File Sharing or CDN Domain (adds 1 filter)