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keyboardcrunch-sentinelone-…/queries/windows/rundll32_possible_cobalt_strike.yml
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2020-12-02 11:54:10 -06:00

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title: Rundll32 Possible Cobalt Strike
description: Loose detection of lateral movement through SMB, commonly used with Cobalt Strike.
author: keyboardcrunch
date: 02/12/2020
modified:
mitre:
tactic: Defense Evasion
technique: T1218
subtechnique: 011
operating_system:
query: ( SrcProcName In AnyCase ( "rundll32.exe" ) AND SrcProcCmdLine IS EMPTY ) OR ( SrcProcName In AnyCase ( "rundll32.exe" ) AND NetConnOutCount > "0" AND SrcProcParentName Not In ( "splwow64.exe" ) AND SrcProcParentName Not In ( "msiexec.exe" ) AND SrcProcCmdLine RegExp ".*((?!C:\\windows\\system32\\spool\\DRIVERS\\.*,MonitorPrintJobStatus))$/gmi" )
false_positives:
- Printer drivers
tags:
- Cobalt Strike
references:
- https://thedfirreport.com/2020/10/08/ryuks-return/