60 lines
1.6 KiB
YAML
60 lines
1.6 KiB
YAML
title: Windows Shell Spawning Suspicious Program
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author: Florian Roth
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date: 2018/04/06
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description: Detects a suspicious child process of a Windows shell
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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Image: '*\certutil.exe'
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SELECTION_11:
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Image: '*\bitsadmin.exe'
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SELECTION_12:
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Image: '*\mshta.exe'
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SELECTION_13:
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CurrentDirectory: '*\ccmcache\\*'
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SELECTION_2:
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ParentImage: '*\mshta.exe'
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SELECTION_3:
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ParentImage: '*\powershell.exe'
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SELECTION_4:
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ParentImage: '*\rundll32.exe'
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SELECTION_5:
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ParentImage: '*\cscript.exe'
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SELECTION_6:
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ParentImage: '*\wscript.exe'
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SELECTION_7:
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ParentImage: '*\wmiprvse.exe'
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SELECTION_8:
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Image: '*\schtasks.exe'
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SELECTION_9:
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Image: '*\nslookup.exe'
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condition: (SELECTION_1 and ((SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7) and (SELECTION_8 or SELECTION_9 or SELECTION_10
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or SELECTION_11 or SELECTION_12)) and not (SELECTION_13))
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falsepositives:
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- Administrative scripts
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- Microsoft SCCM
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fields:
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- CommandLine
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- ParentCommandLine
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id: 3a6586ad-127a-4d3b-a677-1e6eacdf8fde
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level: high
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logsource:
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category: process_creation
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product: windows
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modified: 2020/09/06
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references:
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- https://mgreen27.github.io/posts/2018/04/02/DownloadCradle.html
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status: experimental
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tags:
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- attack.execution
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- attack.defense_evasion
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- attack.t1064
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- attack.t1059.005
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- attack.t1059.001
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- attack.t1218
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yml_filename: win_shell_spawn_susp_program.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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