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sigmahighHunting

Kerberos Manipulation

Detects failed Kerberos TGT issue operation. This can be a sign of manipulations of TGT messages by an attacker.

MITRE ATT&CK

credential-access

Detection Query

selection:
  EventID:
    - 675
    - 4768
    - 4769
    - 4771
  Status:
    - "0x9"
    - "0xA"
    - "0xB"
    - "0xF"
    - "0x10"
    - "0x11"
    - "0x13"
    - "0x14"
    - "0x1A"
    - "0x1F"
    - "0x21"
    - "0x22"
    - "0x23"
    - "0x24"
    - "0x26"
    - "0x27"
    - "0x28"
    - "0x29"
    - "0x2C"
    - "0x2D"
    - "0x2E"
    - "0x2F"
    - "0x31"
    - "0x32"
    - "0x3E"
    - "0x3F"
    - "0x40"
    - "0x41"
    - "0x43"
    - "0x44"
condition: selection

Author

Florian Roth (Nextron Systems)

Created

2017-02-10

Data Sources

windowssecurity

Platforms

windows

Tags

attack.credential-accessattack.t1212
Raw Content
title: Kerberos Manipulation
id: f7644214-0eb0-4ace-9455-331ec4c09253
status: test
description: Detects failed Kerberos TGT issue operation. This can be a sign of manipulations of TGT messages by an attacker.
references:
    - https://learn.microsoft.com/en-us/previous-versions/windows/it-pro/windows-10/security/threat-protection/auditing/event-4771
author: Florian Roth (Nextron Systems)
date: 2017-02-10
modified: 2024-01-16
tags:
    - attack.credential-access
    - attack.t1212
logsource:
    product: windows
    service: security
detection:
    selection:
        EventID:
            - 675
            - 4768
            - 4769
            - 4771
        Status:
            - '0x9'
            - '0xA'
            - '0xB'
            - '0xF'
            - '0x10'
            - '0x11'
            - '0x13'
            - '0x14'
            - '0x1A'
            - '0x1F'
            - '0x21'
            - '0x22'
            - '0x23'
            - '0x24'
            - '0x26'
            - '0x27'
            - '0x28'
            - '0x29'
            - '0x2C'
            - '0x2D'
            - '0x2E'
            - '0x2F'
            - '0x31'
            - '0x32'
            - '0x3E'
            - '0x3F'
            - '0x40'
            - '0x41'
            - '0x43'
            - '0x44'
    condition: selection
falsepositives:
    - Faulty legacy applications
level: high