SigmaHQ/rules/windows/builtin/win_pass_the_hash.yml
yugoslavskiy f83d0e36b8 improved win_pass_the_hash.yml rule
— deleted useless KeyLength: '0'
— added filter condition to exclude AccountName='ANONYMOUS LOGON',
because of false positives [1]

[1]
http://serverfault.com/questions/338644/what-are-anonymous-logons-in-win
dows-event-log
2017-04-04 02:57:58 +03:00

29 lines
1.1 KiB
YAML

title: Detects Pass the Hash Activity
status: experimental
description: 'Detects the attack technique pass the hash which is used to move laterally inside the network'
reference: https://github.com/iadgov/Event-Forwarding-Guidance/tree/master/Events
author: Ilias el Matani (rule), The Information Assurance Directorate at the NSA (method)
logsource:
product: windows
service: security
description: The successful use of PtH for lateral movement between workstations would trigger event ID 4624, a failed logon attempt would trigger an event ID 4625
detection:
selection:
- EventID: 4624
LogonType: '3'
LogonProcess: 'NtLmSsp'
WorkstationName: '%Workstations%'
ComputerName: '%Workstations%'
- EventID: 4625
LogonType: '3'
LogonProcess: 'NtLmSsp'
WorkstationName: '%Workstations%'
ComputerName: '%Workstations%'
filter:
AccountName: 'ANONYMOUS LOGON'
condition: selection and not filter
falsepositives:
- Administrator activity
- Penetration tests
level: medium