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Detection rules › Sigma

Replay Attack Detected

Status
test
Severity
high
Author
frack113
Source
github.com/SigmaHQ/sigma

Detects possible Kerberos Replay Attack on the domain controllers when "KRB_AP_ERR_REPEAT" Kerberos response is sent to the client

MITRE ATT&CK coverage

TacticTechniques
Credential AccessT1558 Steal or Forge Kerberos Tickets

Event coverage

ProviderEventTitle
Security-AuditingEvent ID 4649A replay attack was detected.

Rule body yaml

title: Replay Attack Detected
id: 5a44727c-3b85-4713-8c44-4401d5499629
status: test
description: Detects possible Kerberos Replay Attack on the domain controllers when "KRB_AP_ERR_REPEAT" Kerberos response is sent to the client
references:
    - https://github.com/Yamato-Security/EnableWindowsLogSettings/blob/7f6d755d45ac7cc9fc35b0cbf498e6aa4ef19def/ConfiguringSecurityLogAuditPolicies.md
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4649
author: frack113
date: 2022-10-14
tags:
    - attack.credential-access
    - attack.t1558
logsource:
    service: security
    product: windows
detection:
    selection:
        EventID: 4649
    condition: selection
falsepositives:
    - Unknown
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    EventID: 4649