NTLMv1 Logon Between Client and Server

 1title: NTLMv1 Logon Between Client and Server
 2id: e9d4ab66-a532-4ef7-a502-66a9e4a34f5d
 3status: experimental
 4description: Detects the reporting of NTLMv1 being used between a client and server
 5references:
 6    - https://attack.mitre.org/techniques/T1550/002/
 7author: Tim Shelton
 8date: 2022/04/26
 9modified: 2022/05/02
10tags:
11    - attack.execution
12    - attack.t1550.002
13    - attack.s0363
14logsource:
15    product: windows
16    service: system
17detection:
18    selection:
19        Provider_Name: "LsaSrv"
20        EventID: 6038
21    condition: selection
22fields:
23    - EventID
24    - Provider_Name
25falsepositives:
26    - Environments that use NTLMv1
27level: low