itiB
47 lines
1.5 KiB
YAML
47 lines
1.5 KiB
YAML
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title: CobaltStrike Named Pipe
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author: Florian Roth, Wojciech Lesicki
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date: 2021/05/25
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description: Detects the creation of a named pipe as used by CobaltStrike
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detection:
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SELECTION_1:
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EventID: 17
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SELECTION_2:
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EventID: 18
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SELECTION_3:
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PipeName: '*\MSSE-*'
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SELECTION_4:
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PipeName: '*-server*'
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SELECTION_5:
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PipeName: \postex_*
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SELECTION_6:
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PipeName: \postex_ssh_*
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SELECTION_7:
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PipeName: \status_*
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SELECTION_8:
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PipeName: \msagent_*
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condition: ((SELECTION_1 or SELECTION_2) and ((SELECTION_3 and SELECTION_4) or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8))
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falsepositives:
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- Unknown
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id: d5601f8c-b26f-4ab0-9035-69e11a8d4ad2
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level: critical
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logsource:
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category: pipe_created
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definition: Note that you have to configure logging for Named Pipe Events in Sysmon
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config (Event ID 17 and Event ID 18). In the current popular sysmon configuration
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(https://github.com/SwiftOnSecurity/sysmon-config) this is not there, you have
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to add it yourself or use this extended version that logs the Named Pipes used
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in this Sigma repo (https://github.com/Neo23x0/sysmon-config)
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product: windows
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references:
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- https://twitter.com/d4rksystem/status/1357010969264873472
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- https://labs.f-secure.com/blog/detecting-cobalt-strike-default-modules-via-named-pipe-analysis/
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- https://github.com/Neo23x0/sigma/issues/253
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- https://blog.cobaltstrike.com/2021/02/09/learn-pipe-fitting-for-all-of-your-offense-projects/
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.privilege_escalation
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- attack.t1055
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