Created Files by Microsoft Sync Center

This rule detects suspicious files created by Microsoft Sync Center (mobsync)

Sigma rule (View on GitHub)

 1title: Created Files by Microsoft Sync Center
 2id: 409f8a98-4496-4aaa-818a-c931c0a8b832
 3status: test
 4description: This rule detects suspicious files created by Microsoft Sync Center (mobsync)
 5references:
 6    - https://redcanary.com/blog/intelligence-insights-november-2021/
 7author: elhoim
 8date: 2022-04-28
 9modified: 2022-06-02
10tags:
11    - attack.t1055
12    - attack.t1218
13    - attack.execution
14    - attack.defense-evasion
15logsource:
16    product: windows
17    category: file_event
18detection:
19    selection_mobsync:
20        Image|endswith: '\mobsync.exe'
21    filter_created_file:
22        TargetFilename|endswith:
23            - '.dll'
24            - '.exe'
25    condition: selection_mobsync and filter_created_file
26falsepositives:
27    - Unknown
28level: medium

References

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