HackTool - ADCSPwn Execution

Status: test
Severity: high
Log source: category process_creation, product windows
Author: Florian Roth (Nextron Systems)
Source: github.com/SigmaHQ/sigma

Detects command line parameters used by ADCSPwn, a tool to escalate privileges in an active directory network by coercing authenticate from machine accounts and relaying to the certificate service

Known false positives

Unlikely

MITRE ATT&CK coverage

Tactic	Techniques
Credential Access	`T1557.001` Adversary-in-the-Middle: Name Resolution Poisoning and SMB Relay
Collection	`T1557.001` Adversary-in-the-Middle: Name Resolution Poisoning and SMB Relay

Telemetry coverage

Provider	Record / event type
Sysmon	Event ID 1: Process creation
Security-Auditing	Event ID 4688: A new process has been created.

Rule body

title: HackTool - ADCSPwn Execution
id: cd8c163e-a19b-402e-bdd5-419ff5859f12
status: test
description: Detects command line parameters used by ADCSPwn, a tool to escalate privileges in an active directory network by coercing authenticate from machine accounts and relaying to the certificate service
references:
    - https://github.com/bats3c/ADCSPwn
author: Florian Roth (Nextron Systems)
date: 2021-07-31
modified: 2023-02-04
tags:
    - attack.collection
    - attack.credential-access
    - attack.t1557.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        CommandLine|contains|all:
            - ' --adcs '
            - ' --port '
    condition: selection
falsepositives:
    - Unlikely
level: high

Stages and Predicates

Stage 0: `condition`

selection

Stage 1: `selection`

selection:
    CommandLine|contains|all:
        - ' --adcs '
        - ' --port '

Indicators

These rows show field, operator, and value matches.

Field	Kind	Values	Search
`CommandLine`	match	`--adcs` `--port`	`field:"CommandLine" kind:match`