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Covenant (https://github.com/cobbr/Covenant) can use named pipes for peer to peer communication. The default named pipe name is "\gruntsvc". References: https://posts.specterops.io/designing-peer-to-peer-command-and-control-ad2c61740456
43 lines
1.9 KiB
YAML
43 lines
1.9 KiB
YAML
title: Malicious Named Pipe
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id: fe3ac066-98bb-432a-b1e7-a5229cb39d4a
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status: experimental
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description: Detects the creation of a named pipe used by known APT malware
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references:
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- Various sources
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date: 2017/11/06
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author: Florian Roth
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logsource:
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product: windows
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service: sysmon
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definition: 'Note that you have to configure logging for PipeEvents in Symson config'
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detection:
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selection:
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EventID:
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- 17
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- 18
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PipeName:
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- '\isapi_http' # Uroburos Malware Named Pipe
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- '\isapi_dg' # Uroburos Malware Named Pipe
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- '\isapi_dg2' # Uroburos Malware Named Pipe
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- '\sdlrpc' # Cobra Trojan Named Pipe http://goo.gl/8rOZUX
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- '\ahexec' # Sofacy group malware
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- '\winsession' # Wild Neutron APT malware https://goo.gl/pivRZJ
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- '\lsassw' # Wild Neutron APT malware https://goo.gl/pivRZJ
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- '\46a676ab7f179e511e30dd2dc41bd388' # Project Sauron https://goo.gl/eFoP4A
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- '\9f81f59bc58452127884ce513865ed20' # Project Sauron https://goo.gl/eFoP4A
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- '\e710f28d59aa529d6792ca6ff0ca1b34' # Project Sauron https://goo.gl/eFoP4A
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- '\rpchlp_3' # Project Sauron https://goo.gl/eFoP4A - Technical Analysis Input
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- '\NamePipe_MoreWindows' # Cloud Hopper Annex B https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf, US-CERT Alert - RedLeaves https://www.us-cert.gov/ncas/alerts/TA17-117A
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- '\pcheap_reuse' # Pipe used by Equation Group malware 77486bb828dba77099785feda0ca1d4f33ad0d39b672190079c508b3feb21fb0
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- '\msagent_*' # CS default named pipes https://github.com/Neo23x0/sigma/issues/253
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- '\gruntsvc' # Covenant default named pipe
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# - '\status_*' # CS default named pipes https://github.com/Neo23x0/sigma/issues/253
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condition: selection
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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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falsepositives:
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- Unkown
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level: critical
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