SigmaHQ/rules/windows/pipe_created/sysmon_mal_namedpipes.yml
2021-09-01 13:54:47 +02:00

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title: Malicious Named Pipe
id: fe3ac066-98bb-432a-b1e7-a5229cb39d4a
status: experimental
description: Detects the creation of a named pipe used by known APT malware
references:
- Various sources
date: 2017/11/06
author: Florian Roth, blueteam0ps
logsource:
product: windows
category: pipe_created
definition: 'Note that you have to configure logging for PipeEvents in Sysmon config'
detection:
selection:
PipeName:
- '\isapi_http' # Uroburos Malware Named Pipe
- '\isapi_dg' # Uroburos Malware Named Pipe
- '\isapi_dg2' # Uroburos Malware Named Pipe
- '\sdlrpc' # Cobra Trojan Named Pipe http://goo.gl/8rOZUX
- '\ahexec' # Sofacy group malware
- '\winsession' # Wild Neutron APT malware https://goo.gl/pivRZJ
- '\lsassw' # Wild Neutron APT malware https://goo.gl/pivRZJ
- '\46a676ab7f179e511e30dd2dc41bd388' # Project Sauron https://goo.gl/eFoP4A
- '\9f81f59bc58452127884ce513865ed20' # Project Sauron https://goo.gl/eFoP4A
- '\e710f28d59aa529d6792ca6ff0ca1b34' # Project Sauron https://goo.gl/eFoP4A
- '\rpchlp_3' # Project Sauron https://goo.gl/eFoP4A - Technical Analysis Input
- '\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
- '\pcheap_reuse' # Pipe used by Equation Group malware 77486bb828dba77099785feda0ca1d4f33ad0d39b672190079c508b3feb21fb0
- '\gruntsvc' # Covenant default named pipe
# - '\status_*' # CS default named pipes https://github.com/Neo23x0/sigma/issues/253
- '\583da945-62af-10e8-4902-a8f205c72b2e' # SolarWinds SUNBURST malware report https://www.fireeye.com/blog/threat-research/2020/12/evasive-attacker-leverages-solarwinds-supply-chain-compromises-with-sunburst-backdoor.html
- '\bizkaz' # Snatch Ransomware https://thedfirreport.com/2020/06/21/snatch-ransomware/
- '\svcctl' #Crackmapexec smbexec default named pipe
- '\Posh*' #PoshC2 default
- '\jaccdpqnvbrrxlaf' #PoshC2 default
- '\csexecsvc' #CSEXEC default
- '\6e7645c4-32c5-4fe3-aabf-e94c2f4370e7' # LiquidSnake https://github.com/RiccardoAncarani/LiquidSnake
condition: selection
tags:
- attack.defense_evasion
- attack.privilege_escalation
- attack.t1055
falsepositives:
- Unknown
level: critical