Query: alert when Detects an appx package that was added to the pipeline of the "to be processed" packages that is located in uncommon loc
Matching passage: Sigma rule: Detects an appx package that was added to the pipeline of the "to be processed" packages that is located in uncommon loc. Logsource: windows / appxdeployment-server. Rule: title: AppX Located in Uncommon Directory Added to Deployment Pipeline id: c977cb50-3dff-4a9f-b873-9290f56132f1 status: test description: 'Detects an appx package that was added to the pipeline of the "to be processed" packages that is located in uncommon locations. ' references: - Internal Research - https://www.sentinelone.com/labs/inside-malicious-windows-apps-for-malware-deployment/ - https://learn.microsoft.com/en-us/windows/win32/appxpkg/troubleshooting - https://news.sophos.com/en-us/2021/11/11/bazarloader-call-me-back-attack-abuses-windows-10-apps-mechanism/ author: Nasreddine Bencherchali (Nextron Systems) date: 2023-01-11 modified: 2025-12-03 tags: - attack.stealth logsource: product: windows service: appxdeployment-server detection: selection: EventID: 854 filter_main_generic: Path|contains: - :/Program%20Files - :/Windows/System32/ - :\Program Files (x86)\ - :\Program Files\ - :\Windows\ImmersiveControlPanel\ - :\Windows\PrintDialog\ - :\Windows\SystemApps\ - AppData/Local/Temp/WinGet/Microsoft.Winget.Source - x-windowsupdate:// filter_main_specific: Path|contains: - https://installer.teams.static.microsoft/ - https://res.cdn.office.net - https://statics.teams.cdn.live.net/ - https://statics.teams.cdn.office.net/ - microsoft.com filter_optional_onedrive: Path|contains: AppData\Local\Microsoft\OneDrive\ filter_optional_winget: Path|contains: - AppData/Local/Temp/WinGet/Microsoft.Winget.Source - AppData\Local\Temp\WinGet\Microsoft.Winget.Source filter_optional_x_windowsupdate: Path|contains: x-windowsupdate:// condition: selection and not 1 of filter_main_* and not 1 of filter_optional_* falsepositives: - Unknown level: medium
Near-miss passage: Sigma rule: Indicates user activity that is unusual for the user or consistent with known attack patterns.. Logsource: azure / riskdetection. Rule: title: Azure AD Threat Intelligence id: a2cb56ff-4f46-437a-a0fa-ffa4d1303cba status: test description: Indicates user activity that is unusual for the user or consistent with known attack patterns. references: - https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#azure-ad-threat-intelligence-sign-in - https://learn.microsoft.com/en-us/entra/id-protection/concept-identity-protection-risks#azure-ad-threat-intelligence-user - https://learn.microsoft.com/en-us/entra/architecture/security-operations-user-accounts#unusual-sign-ins author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo' date: 2023-09-07 tags: - attack.stealth - attack.t1078 - attack.persistence - attack.privilege-escalation - attack.initial-access logsource: product: azure service: riskdetection detection: selection: riskEventType: investigationsThreatIntelligence condition: selection falsepositives: - We recommend investigating the sessions flagged by this detection in the context of other sign-ins from the user. level: high