NTLM Logon

Detects logons using NTLM, which could be caused by a legacy source or attackers

Sigma rule (View on GitHub)

 1title: NTLM Logon
 2id: 98c3bcf1-56f2-49dc-9d8d-c66cf190238b
 3status: test
 4description: Detects logons using NTLM, which could be caused by a legacy source or attackers
 5references:
 6    - https://twitter.com/JohnLaTwC/status/1004895028995477505
 7    - https://goo.gl/PsqrhT
 8author: Florian Roth (Nextron Systems)
 9date: 2018/06/08
10modified: 2022/10/05
11tags:
12    - attack.lateral_movement
13    - attack.t1550.002
14logsource:
15    product: windows
16    service: ntlm
17    definition: Requires events from Microsoft-Windows-NTLM/Operational
18detection:
19    selection:
20        EventID: 8002
21        ProcessName|contains: '*'  # We use this to avoid false positives with ID 8002 on other log sources if the logsource isn't set correctly
22    condition: selection
23falsepositives:
24    - Legacy hosts
25level: low

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