frack113
69 lines
1.6 KiB
YAML
69 lines
1.6 KiB
YAML
action: global
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title: PsExec Tool Execution
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status: experimental
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description: Detects PsExec service installation and execution events (service and Sysmon)
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author: Thomas Patzke
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date: 2017/06/12
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modified: 2021/08/26
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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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tags:
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- attack.execution
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- attack.t1035 # an old one
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- attack.t1569.002
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- attack.s0029
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detection:
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condition: 1 of them
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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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falsepositives:
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- unknown
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level: low
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---
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id: 42c575ea-e41e-41f1-b248-8093c3e82a28
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logsource:
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product: windows
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service: system
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detection:
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service_installation:
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EventID: 7045
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ServiceName: 'PSEXESVC'
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ServiceFileName|endswith: '\PSEXESVC.exe'
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service_execution:
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EventID: 7036
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ServiceName: 'PSEXESVC'
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---
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id: fa91cc36-24c9-41ce-b3c8-3bbc3f2f67ba
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logsource:
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category: process_creation
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product: windows
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detection:
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sysmon_processcreation:
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Image|endswith: '\PSEXESVC.exe'
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User|startswith:
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- 'NT AUTHORITY\SYSTEM'
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- 'AUTORITE NT\Sys' # French language settings
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---
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id: f3f3a972-f982-40ad-b63c-bca6afdfad7c
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logsource:
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category: pipe_created
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product: windows
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detection:
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sysmon_pipecreated:
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PipeName: '\PSEXESVC'
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---
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id: 259e5a6a-b8d2-4c38-86e2-26c5e651361d
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logsource:
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category: file_event
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product: windows
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detection:
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sysmon_filecreation:
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TargetFilename|endswith: '\PSEXESVC.exe'
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