sigmaDRL-1.1from SigmaHQ/sigma

HackTool - Potential Remote Credential Dumping Activity Via CrackMapExec Or Impacket-Secretsdump

Detects default filenames output from the execution of CrackMapExec and Impacket-secretsdump against an endpoint.

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ATT&CK techniques

T1003

Rule sourcerules/windows/file/file_event/file_event_win_hktl_remote_cred_dump.yml

title: HackTool - Potential Remote Credential Dumping Activity Via CrackMapExec Or Impacket-Secretsdump
id: 6e2a900a-ced9-4e4a-a9c2-13e706f9518a
status: test
description: Detects default filenames output from the execution of CrackMapExec and Impacket-secretsdump against an endpoint.
references:
    - https://github.com/Porchetta-Industries/CrackMapExec
    - https://github.com/fortra/impacket/blob/ff8c200fd040b04d3b5ff05449646737f836235d/examples/secretsdump.py
author: SecurityAura
date: 2022-11-16
modified: 2024-06-27
tags:
    - attack.credential-access
    - attack.t1003
logsource:
    product: windows
    category: file_event
detection:
    selection:
        Image|endswith: '\svchost.exe'
        # CommandLine|contains: 'RemoteRegistry' # Uncomment this line if you collect CommandLine data for files events from more accuracy
        TargetFilename|re: '\\Windows\\System32\\[a-zA-Z0-9]{8}\.tmp$'
    condition: selection
falsepositives:
    - Unknown
level: high