Suspicious Msbuild Execution By Uncommon Parent Process

calendar Oct 17, 2023 · attack.defense_evasion  ·
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Detects suspicious execution of 'Msbuild.exe' by a uncommon parent process

Sigma rule (View on GitHub)

 1title: Suspicious Msbuild Execution By Uncommon Parent Process
 2id: 33be4333-2c6b-44f4-ae28-102cdbde0a31
 3status: test
 4description: Detects suspicious execution of 'Msbuild.exe' by a uncommon parent process
 5references:
 6    - https://app.any.run/tasks/abdf586e-df0c-4d39-89a7-06bf24913401/
 7    - https://www.echotrail.io/insights/search/msbuild.exe
 8author: frack113
 9date: 2022/11/17
10tags:
11    - attack.defense_evasion
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        - Image|endswith: '\MSBuild.exe'
18        - OriginalFileName: 'MSBuild.exe'
19    filter_parent:
20        ParentImage|endswith:
21            - '\devenv.exe'
22            - '\cmd.exe'
23            - '\msbuild.exe'
24            - '\python.exe'
25            - '\explorer.exe'
26            - '\nuget.exe'
27    condition: selection and not filter_parent
28falsepositives:
29    - Unknown
30level: medium

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