Potential Gamarue DLL Filename (RedCanary Threat Detection Report)

Detects Gamarue DLL filename in command line strings. Part of the RedCanary 2023 Threat Detection Report.

Sigma rule (View on GitHub)

 1title: Potential Gamarue DLL Filename (RedCanary Threat Detection Report)
 2id: 62989cd5-4d35-4ce8-a1fd-73673c25d0f4
 3status: experimental
 4description: Detects Gamarue DLL filename in command line strings. Part of the RedCanary 2023 Threat Detection Report.
 5references:
 6    - https://redcanary.com/threat-detection-report/threats/gamarue/
 7author: RedCanary, Sigma formatting by Micah Babinski
 8date: 2023/05/10
 9tags:
10    - attack.privilege_escalation
11    - attack.t1055.001
12logsource:
13    category: process_creation
14    product: windows
15detection:
16    selection:
17        Image|endswith: '\rundll32.exe'
18        CommandLine|re: '\S{10,70}\.\S{10,70},\w{16}'
19    condition: selection
20falsepositives:
21    - Unknown
22level: low```

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