Detection rules › Sigma

Active Directory honeypot used for lateral movement

Status
experimental
Severity
high
Log source
product windows, service security
Author
mdecrevoisier
Source
github.com/mdecrevoisier/SIGMA-detection-rules

Detects scenarios where an attacker is using

MITRE ATT&CK coverage

TacticTechniques
Lateral MovementT1021 Remote Services

Event coverage

Rule body yaml

title: Active Directory honeypot used for lateral movement
description: Detects scenarios where an attacker is using
requirements: ensure that those accounts are "attractive", documented, do not create any breach and cannot be used against your organization.
references:
- https://github.com/mdecrevoisier/EVTX-to-MITRE-Attack/tree/master/TA0007-Discovery/T1087-Account%20discovery
- http://www.labofapenetrationtester.com/2018/10/deploy-deception.html
- https://jblog.javelin-networks.com/blog/the-honeypot-buster/
tags:
- attack.lateral_movement
- attack.t1021
author: mdecrevoisier
status: experimental
logsource:
  product: windows
  service: security
detection:
  selection:
    EventID:
      - 4624
      - 4625
      - 4768
      - 4769
      - 4770
      - 4771
      - 5140
      - 5145
    TargetUserName: '%honeypot_account_list%'
  condition: selection
falsepositives:
- pentest
level: high

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
  EventID:
    - 4624
    - 4625
    - 4768
    - 4769
    - 4770
    - 4771
    - 5140
    - 5145
  TargetUserName: '%honeypot_account_list%'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
TargetUserNameeq
  • %honeypot_account_list%