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hayabusa/rules/Sigma/win_lm_namedpipe.yml
2021-11-14 11:00:56 +09:00

73 lines
2.3 KiB
YAML

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