Nasreddine Bencherchali
598d29f811
chore: change tags, date, modified fields to comply with v2 of the Sigma spec. chore: update the related type from `obsoletes` to `obsolete`. chore: update local json schema to the latest version.
45 lines
1.3 KiB
YAML
45 lines
1.3 KiB
YAML
title: Suspicious Process Parents
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id: cbec226f-63d9-4eca-9f52-dfb6652f24df
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status: test
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description: Detects suspicious parent processes that should not have any children or should only have a single possible child program
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references:
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- https://twitter.com/x86matthew/status/1505476263464607744?s=12
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- https://svch0st.medium.com/stats-from-hunting-cobalt-strike-beacons-c17e56255f9b
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author: Florian Roth (Nextron Systems)
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date: 2022-03-21
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modified: 2022-09-08
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tags:
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- attack.defense-evasion
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- attack.t1036
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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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selection:
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ParentImage|endswith:
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- '\minesweeper.exe'
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- '\winver.exe'
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- '\bitsadmin.exe'
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selection_special:
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ParentImage|endswith:
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- '\csrss.exe'
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- '\certutil.exe'
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# - '\schtasks.exe'
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- '\eventvwr.exe'
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- '\calc.exe'
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- '\notepad.exe'
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filter_special:
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Image|endswith:
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- '\WerFault.exe'
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- '\wermgr.exe'
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- '\conhost.exe' # csrss.exe, certutil.exe
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- '\mmc.exe' # eventvwr.exe
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- '\win32calc.exe' # calc.exe
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- '\notepad.exe'
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filter_null:
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Image: null
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condition: selection or ( selection_special and not 1 of filter_* )
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falsepositives:
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- Unknown
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level: high
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