Replay Attack Detected — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: high. Source dates: 2022-10-14 / not supplied.

{
  "service": "security",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: fe7f07b44b89424f4777b22262b0a77ecb7a8eb6559885562196283159fc7af7

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

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

Original YAML and metadata in JSON

False positives

• Unknown

Source 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