Detectionhightest

HackTool - CrackMapExec Process Patterns

Detects suspicious process patterns found in logs when CrackMapExec is used

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Florian Roth (Nextron Systems)Created Sat Mar 12Updated Mon Feb 13f26307d8-14cd-47e3-a26b-4b4769f24af6windows

Log Source

WindowsProcess Creation

ProductWindows← raw: windows

CategoryProcess Creation← raw: process_creation

Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.

Detection Logic

detection:
    selection_lsass_dump1:
        CommandLine|contains|all:
            - 'tasklist /fi '
            - 'Imagename eq lsass.exe'
        CommandLine|contains:
            - 'cmd.exe /c '
            - 'cmd.exe /r '
            - 'cmd.exe /k '
            - 'cmd /c '
            - 'cmd /r '
            - 'cmd /k '
        User|contains: # covers many language settings
            - 'AUTHORI'
            - 'AUTORI'
    selection_lsass_dump2:
        CommandLine|contains|all:
            - 'do rundll32.exe C:\windows\System32\comsvcs.dll, MiniDump'
            - '\Windows\Temp\'
            - ' full'
            - '%%B'
    selection_procdump:
        CommandLine|contains|all:
            - 'tasklist /v /fo csv'
            - 'findstr /i "lsass"'
    condition: 1 of selection*