Add: sigma rules (#175)
This commit is contained in:
itiB
@@ -0,0 +1,42 @@
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title: PsExec Tool Execution
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author: Thomas Patzke
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date: 2017/06/12
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description: Detects PsExec service installation and execution events (service and
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Sysmon)
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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: \PSEXESVC
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condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
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falsepositives:
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- unknown
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fields:
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- EventID
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- CommandLine
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- ParentCommandLine
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- ServiceName
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- ServiceFileName
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- TargetFilename
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- PipeName
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id: f3f3a972-f982-40ad-b63c-bca6afdfad7c
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level: low
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logsource:
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category: pipe_created
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product: windows
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modified: 2021/09/21
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references:
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- https://www.jpcert.or.jp/english/pub/sr/ir_research.html
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- https://jpcertcc.github.io/ToolAnalysisResultSheet
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related:
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- id: 42c575ea-e41e-41f1-b248-8093c3e82a28
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type: derived
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status: experimental
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tags:
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- attack.execution
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- attack.t1035
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- attack.t1569.002
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- attack.s0029
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@@ -0,0 +1,38 @@
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title: Alternate PowerShell Hosts Pipe
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author: Roberto Rodriguez @Cyb3rWard0g
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date: 2019/09/12
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description: Detects alternate PowerShell hosts potentially bypassing detections looking
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for powershell.exe
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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: \PSHost*
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SELECTION_4:
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Image:
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- '*\powershell.exe'
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- '*\powershell_ise.exe'
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condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3 and not (SELECTION_4))
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falsepositives:
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- Programs using PowerShell directly without invocation of a dedicated interpreter.
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fields:
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- ComputerName
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- User
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- Image
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- PipeName
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id: 58cb02d5-78ce-4692-b3e1-dce850aae41a
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level: medium
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logsource:
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category: pipe_created
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product: windows
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modified: 2019/11/10
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references:
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- https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190815181010.html
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status: experimental
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tags:
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- attack.execution
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- attack.t1086
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- attack.t1059.001
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@@ -0,0 +1,31 @@
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title: Turla Group Named Pipes
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author: Markus Neis
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date: 2017/11/06
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description: Detects a named pipe used by Turla group samples
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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:
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- \atctl
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- \userpipe
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- \iehelper
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- \sdlrpc
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- \comnap
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condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
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falsepositives:
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- Unknown
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id: 739915e4-1e70-4778-8b8a-17db02f66db1
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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 PipeEvents in Symson config
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product: windows
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references:
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- Internal Research
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status: experimental
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tags:
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- attack.g0010
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@@ -0,0 +1,35 @@
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title: Cred Dump-Tools Named Pipes
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author: Teymur Kheirkhabarov, oscd.community
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date: 2019/11/01
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description: Detects well-known credential dumping tools execution via specific named
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pipes
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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:
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- '*\lsadump*'
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- '*\cachedump*'
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- '*\wceservicepipe*'
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condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
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falsepositives:
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- Legitimate Administrator using tool for password recovery
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id: 961d0ba2-3eea-4303-a930-2cf78bbfcc5e
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level: critical
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logsource:
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category: pipe_created
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product: windows
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modified: 2020/08/28
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references:
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- https://www.slideshare.net/heirhabarov/hunting-for-credentials-dumping-in-windows-environment
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status: experimental
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tags:
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- attack.credential_access
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- attack.t1003
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- attack.t1003.001
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- attack.t1003.002
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- attack.t1003.004
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- attack.t1003.005
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@@ -0,0 +1,31 @@
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title: EfsPotato Named Pipe
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author: Florian Roth
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date: 2021/08/23
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description: Detects the pattern of a pipe name as used by the tool EfsPotato
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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:
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- '*\pipe\\*'
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- '*\pipe\srvsvc*'
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condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
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falsepositives:
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- Unknown
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id: 637f689e-b4a5-4a86-be0e-0100a0a33ba2
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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 PipeEvents in Sysmon config
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product: windows
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references:
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- https://twitter.com/SBousseaden/status/1429530155291193354?s=20
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- https://github.com/zcgonvh/EfsPotato
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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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@@ -0,0 +1,46 @@
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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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@@ -0,0 +1,75 @@
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title: CobaltStrike Named Pipe Pattern Regex
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author: Florian Roth
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date: 2021/07/30
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description: Detects the creation of a named pipe matching a pattern used by CobaltStrike
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Malleable C2 profiles
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detection:
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SELECTION_1:
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EventID: 17
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SELECTION_10:
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PipeName|re: \\\\ntsvcs_[0-9a-f]{2}
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SELECTION_11:
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PipeName|re: \\\\scerpc_?[0-9a-f]{2}
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SELECTION_12:
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PipeName|re: \\\\PGMessagePipe[0-9a-f]{2}
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SELECTION_13:
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PipeName|re: \\\\MsFteWds[0-9a-f]{2}
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SELECTION_14:
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PipeName|re: \\\\f4c3[0-9a-f]{2}
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SELECTION_15:
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PipeName|re: \\\\fullduplex_[0-9a-f]{2}
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SELECTION_16:
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PipeName|re: \\\\msrpc_[0-9a-f]{4}
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SELECTION_17:
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PipeName|re: \\\\win\\\\msrpc_[0-9a-f]{2}
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SELECTION_18:
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PipeName|re: \\\\f53f[0-9a-f]{2}
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SELECTION_19:
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PipeName|re: \\\\rpc_[0-9a-f]{2}
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SELECTION_2:
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EventID: 18
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SELECTION_20:
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PipeName|re: \\\\spoolss_[0-9a-f]{2}
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SELECTION_21:
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PipeName|re: \\\\Winsock2\\\\CatalogChangeListener-[0-9a-f]{3}-0,
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SELECTION_3:
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PipeName|re: \\\\mojo\.5688\.8052\.(?:183894939787088877|35780273329370473)[0-9a-f]{2}
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SELECTION_4:
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PipeName|re: \\\\wkssvc_?[0-9a-f]{2}
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SELECTION_5:
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PipeName|re: \\\\ntsvcs[0-9a-f]{2}
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SELECTION_6:
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PipeName|re: \\\\DserNamePipe[0-9a-f]{2}
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SELECTION_7:
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PipeName|re: \\\\SearchTextHarvester[0-9a-f]{2}
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SELECTION_8:
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PipeName|re: \\\\mypipe\-(?:f|h)[0-9a-f]{2}
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SELECTION_9:
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PipeName|re: \\\\windows\.update\.manager[0-9a-f]{2,3}
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condition: ((SELECTION_1 or SELECTION_2) and (SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10 or
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SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14 or SELECTION_15 or
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SELECTION_16 or SELECTION_17 or SELECTION_18 or SELECTION_19 or SELECTION_20 or
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SELECTION_21))
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falsepositives:
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- Unknown
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id: 0e7163d4-9e19-4fa7-9be6-000c61aad77a
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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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modified: 2021/09/02
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references:
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- https://svch0st.medium.com/guide-to-named-pipes-and-hunting-for-cobalt-strike-pipes-dc46b2c5f575
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- https://gist.github.com/MHaggis/6c600e524045a6d49c35291a21e10752
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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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@@ -0,0 +1,49 @@
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title: Malicious Named Pipe
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author: Florian Roth, blueteam0ps
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date: 2017/11/06
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description: Detects the creation of a named pipe used by known APT malware
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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:
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- \isapi_http
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- \isapi_dg
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- \isapi_dg2
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- \sdlrpc
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- \ahexec
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- \winsession
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- \lsassw
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- \46a676ab7f179e511e30dd2dc41bd388
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- \9f81f59bc58452127884ce513865ed20
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- \e710f28d59aa529d6792ca6ff0ca1b34
|
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- \rpchlp_3
|
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- \NamePipe_MoreWindows
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- \pcheap_reuse
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- \gruntsvc
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- \583da945-62af-10e8-4902-a8f205c72b2e
|
||||
- \bizkaz
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- \svcctl
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- \Posh*
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- \jaccdpqnvbrrxlaf
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- \csexecsvc
|
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- \6e7645c4-32c5-4fe3-aabf-e94c2f4370e7
|
||||
condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
|
||||
falsepositives:
|
||||
- Unknown
|
||||
id: fe3ac066-98bb-432a-b1e7-a5229cb39d4a
|
||||
level: critical
|
||||
logsource:
|
||||
category: pipe_created
|
||||
definition: Note that you have to configure logging for PipeEvents in Sysmon config
|
||||
product: windows
|
||||
references:
|
||||
- Various sources
|
||||
status: experimental
|
||||
tags:
|
||||
- attack.defense_evasion
|
||||
- attack.privilege_escalation
|
||||
- attack.t1055
|
||||
@@ -0,0 +1,26 @@
|
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|
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title: T1086 PowerShell Execution
|
||||
author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research)
|
||||
date: 2019/09/12
|
||||
description: Detects execution of PowerShell
|
||||
detection:
|
||||
SELECTION_1:
|
||||
EventID: 17
|
||||
SELECTION_2:
|
||||
EventID: 18
|
||||
SELECTION_3:
|
||||
PipeName: \PSHost*
|
||||
condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
|
||||
falsepositives:
|
||||
- Unknown
|
||||
id: ac7102b4-9e1e-4802-9b4f-17c5524c015c
|
||||
level: informational
|
||||
logsource:
|
||||
category: pipe_created
|
||||
product: windows
|
||||
references:
|
||||
- https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190410151110.html
|
||||
status: experimental
|
||||
tags:
|
||||
- attack.execution
|
||||
- attack.t1059.001
|
||||
@@ -0,0 +1,31 @@
|
||||
|
||||
title: PsExec Pipes Artifacts
|
||||
author: Nikita Nazarov, oscd.community
|
||||
date: 2020/05/10
|
||||
description: Detecting use PsExec via Pipe Creation/Access to pipes
|
||||
detection:
|
||||
SELECTION_1:
|
||||
EventID: 17
|
||||
SELECTION_2:
|
||||
EventID: 18
|
||||
SELECTION_3:
|
||||
PipeName:
|
||||
- psexec*
|
||||
- paexec*
|
||||
- remcom*
|
||||
- csexec*
|
||||
condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
|
||||
falsepositives:
|
||||
- Legitimate Administrator activity
|
||||
id: 9e77ed63-2ecf-4c7b-b09d-640834882028
|
||||
level: medium
|
||||
logsource:
|
||||
category: pipe_created
|
||||
definition: Note that you have to configure logging for PipeEvents in Symson config
|
||||
product: windows
|
||||
references:
|
||||
- https://drive.google.com/file/d/1lKya3_mLnR3UQuCoiYruO3qgu052_iS_/view
|
||||
status: experimental
|
||||
tags:
|
||||
- attack.lateral_movement
|
||||
- attack.t1021.002
|
||||
@@ -0,0 +1,37 @@
|
||||
|
||||
title: ADFS Database Named Pipe Connection
|
||||
author: Roberto Rodriguez @Cyb3rWard0g
|
||||
date: 2021/10/08
|
||||
description: Detects suspicious local connections via a named pipe to the AD FS configuration
|
||||
database (Windows Internal Database). Used to access information such as the AD
|
||||
FS configuration settings which contains sensitive information used to sign SAML
|
||||
tokens.
|
||||
detection:
|
||||
SELECTION_1:
|
||||
PipeName: \MICROSOFT##WID\tsql\query
|
||||
SELECTION_2:
|
||||
Image:
|
||||
- '*Microsoft.IdentityServer.ServiceHost.exe'
|
||||
- '*Microsoft.Identity.Health.Adfs.PshSurrogate.exe'
|
||||
- '*AzureADConnect.exe'
|
||||
- '*Microsoft.Tri.Sensor.exe'
|
||||
- '*wsmprovhost.exe'
|
||||
- '*mmc.exe'
|
||||
- '*sqlservr.exe'
|
||||
condition: (SELECTION_1 and not (SELECTION_2))
|
||||
falsepositives:
|
||||
- Processes in the filter condition
|
||||
id: 1ea13e8c-03ea-409b-877d-ce5c3d2c1cb3
|
||||
level: critical
|
||||
logsource:
|
||||
product: windows
|
||||
service: pipe_connected
|
||||
modified: 2021/10/08
|
||||
references:
|
||||
- https://github.com/Azure/Azure-Sentinel/blob/master/Detections/SecurityEvent/ADFSDBNamedPipeConnection.yaml
|
||||
- https://o365blog.com/post/adfs/
|
||||
- https://github.com/Azure/SimuLand
|
||||
status: experimental
|
||||
tags:
|
||||
- attack.collection
|
||||
- attack.t1005
|
||||
@@ -0,0 +1,73 @@
|
||||
|
||||
title: CobaltStrike Named Pipe Patterns
|
||||
author: Florian Roth, Christian Burkard
|
||||
date: 2021/07/30
|
||||
description: Detects the creation of a named pipe with a pattern found in CobaltStrike
|
||||
malleable C2 profiles
|
||||
detection:
|
||||
SELECTION_1:
|
||||
EventID: 17
|
||||
SELECTION_2:
|
||||
EventID: 18
|
||||
SELECTION_3:
|
||||
PipeName:
|
||||
- \mojo.5688.8052.183894939787088877*
|
||||
- \mojo.5688.8052.35780273329370473*
|
||||
- \mypipe-f*
|
||||
- \mypipe-h*
|
||||
- \ntsvcs*
|
||||
- \scerpc*
|
||||
- \win_svc*
|
||||
- \spoolss*
|
||||
- \msrpc_*
|
||||
- \win\msrpc_*
|
||||
- \wkssvc*
|
||||
- \f53f*
|
||||
- \windows.update.manager*
|
||||
- \SearchTextHarvester*
|
||||
- \DserNamePipe*
|
||||
- \PGMessagePipe*
|
||||
- \MsFteWds*
|
||||
- \f4c3*
|
||||
- \fullduplex_*
|
||||
- \rpc_*
|
||||
SELECTION_4:
|
||||
PipeName:
|
||||
- \demoagent_11
|
||||
- \demoagent_22
|
||||
SELECTION_5:
|
||||
PipeName: \Winsock2\CatalogChangeListener-*
|
||||
SELECTION_6:
|
||||
PipeName: '*-0,'
|
||||
SELECTION_7:
|
||||
PipeName:
|
||||
- \wkssvc
|
||||
- \spoolss
|
||||
- \scerpc
|
||||
- \ntsvcs
|
||||
- \SearchTextHarvester
|
||||
- \PGMessagePipe
|
||||
- \MsFteWds
|
||||
condition: ((SELECTION_1 or SELECTION_2) and ((SELECTION_3 or SELECTION_4) or (SELECTION_5
|
||||
and SELECTION_6)) and not (SELECTION_7))
|
||||
falsepositives:
|
||||
- Chrome instances using the exactly same name pipe named mojo.something
|
||||
id: 85adeb13-4fc9-4e68-8a4a-c7cb2c336eb7
|
||||
level: high
|
||||
logsource:
|
||||
category: pipe_created
|
||||
definition: Note that you have to configure logging for Named Pipe Events in Sysmon
|
||||
config (Event ID 17 and Event ID 18). In the current popular sysmon configuration
|
||||
(https://github.com/SwiftOnSecurity/sysmon-config) this is not there, you have
|
||||
to add it yourself or use this extended version that logs the Named Pipes used
|
||||
in this Sigma repo (https://github.com/Neo23x0/sysmon-config)
|
||||
product: windows
|
||||
modified: 2021/08/26
|
||||
references:
|
||||
- https://svch0st.medium.com/guide-to-named-pipes-and-hunting-for-cobalt-strike-pipes-dc46b2c5f575
|
||||
- https://gist.github.com/MHaggis/6c600e524045a6d49c35291a21e10752
|
||||
status: experimental
|
||||
tags:
|
||||
- attack.defense_evasion
|
||||
- attack.privilege_escalation
|
||||
- attack.t1055
|
||||
@@ -0,0 +1,28 @@
|
||||
|
||||
title: WMI Event Consumer Created Named Pipe
|
||||
author: Florian Roth
|
||||
date: 2021/09/01
|
||||
description: Detects the WMI Event Consumer service scrcons.exe creating a named pipe
|
||||
detection:
|
||||
SELECTION_1:
|
||||
EventID: 17
|
||||
SELECTION_2:
|
||||
EventID: 18
|
||||
SELECTION_3:
|
||||
Image: '*\scrcons.exe'
|
||||
condition: ((SELECTION_1 or SELECTION_2) and SELECTION_3)
|
||||
falsepositives:
|
||||
- Unknown
|
||||
id: 493fb4ab-cdcc-4c4f-818c-0e363bd1e4bb
|
||||
level: high
|
||||
logsource:
|
||||
category: pipe_created
|
||||
definition: Note that you have to configure logging for Named Pipe Events in Sysmon
|
||||
config (Event ID 17 and Event ID 18). In the current popular sysmon configuration
|
||||
(https://github.com/SwiftOnSecurity/sysmon-config) this is not there, you have
|
||||
to add it yourself or use this extended version that logs the Named Pipes used
|
||||
in this Sigma repo (https://github.com/Neo23x0/sysmon-config)
|
||||
product: windows
|
||||
references:
|
||||
- https://github.com/RiccardoAncarani/LiquidSnake
|
||||
status: experimental
|
||||
Reference in New Issue
Block a user