HackTool - XORDump Execution — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: high. Source dates: 2022-01-28 / 2023-02-08.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: b160cddb835eb9300fd17cc1314974cc065c9bd5406a631436281c623bfaba66

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: HackTool - XORDump Execution
id: 66e563f9-1cbd-4a22-a957-d8b7c0f44372
status: test
description: Detects suspicious use of XORDump process memory dumping utility
references:
    - https://github.com/audibleblink/xordump
author: Florian Roth (Nextron Systems)
date: 2022-01-28
modified: 2023-02-08
tags:
    - attack.stealth
    - attack.t1036
    - attack.t1003.001
    - attack.credential-access
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Image|endswith: '\xordump.exe'
        - CommandLine|contains:
              - ' -process lsass.exe '
              - ' -m comsvcs '
              - ' -m dbghelp '
              - ' -m dbgcore '
    condition: selection
falsepositives:
    - Another tool that uses the command line switches of XORdump
level: high

Original YAML and metadata in JSON

False positives

• Another tool that uses the command line switches of XORdump

Source references

• https://github.com/audibleblink/xordump