73 lines
2.3 KiB
YAML
73 lines
2.3 KiB
YAML
title: First Time Seen Remote Named Pipe
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author: Samir Bousseaden
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date: 2019/04/03
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description: This detection excludes known namped pipes accessible remotely and notify
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on newly observed ones, may help to detect lateral movement and remote exec using
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named pipes
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detection:
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SELECTION_1:
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EventID: 5145
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SELECTION_10:
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RelativeTargetName: srvsvc
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SELECTION_11:
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RelativeTargetName: protected_storage
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SELECTION_12:
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RelativeTargetName: wkssvc
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SELECTION_13:
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RelativeTargetName: browser
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SELECTION_14:
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RelativeTargetName: netdfs
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SELECTION_15:
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RelativeTargetName: svcctl
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SELECTION_16:
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RelativeTargetName: spoolss
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SELECTION_17:
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RelativeTargetName: ntsvcs
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SELECTION_18:
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RelativeTargetName: LSM_API_service
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SELECTION_19:
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RelativeTargetName: HydraLsPipe
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SELECTION_2:
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ShareName: \\*\IPC$
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SELECTION_20:
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RelativeTargetName: TermSrv_API_service
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SELECTION_21:
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RelativeTargetName: MsFteWds
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SELECTION_3:
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EventID: 5145
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SELECTION_4:
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ShareName: \\*\IPC$
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SELECTION_5:
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RelativeTargetName: atsvc
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SELECTION_6:
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RelativeTargetName: samr
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SELECTION_7:
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RelativeTargetName: lsarpc
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SELECTION_8:
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RelativeTargetName: winreg
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SELECTION_9:
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RelativeTargetName: netlogon
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condition: ((SELECTION_1 and SELECTION_2) and not (SELECTION_3 and SELECTION_4
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and (SELECTION_5 or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9
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or SELECTION_10 or SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14
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or SELECTION_15 or SELECTION_16 or SELECTION_17 or SELECTION_18 or SELECTION_19
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or SELECTION_20 or SELECTION_21)))
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falsepositives:
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- update the excluded named pipe to filter out any newly observed legit named pipe
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id: 52d8b0c6-53d6-439a-9e41-52ad442ad9ad
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level: high
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logsource:
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definition: The advanced audit policy setting "Object Access > Audit Detailed
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File Share" must be configured for Success/Failure
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product: windows
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service: security
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references:
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- https://twitter.com/menasec1/status/1104489274387451904
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tags:
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- attack.lateral_movement
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- attack.t1077
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- attack.t1021.002
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yml_filename: win_lm_namedpipe.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/builtin
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