HackTool - Dumpert Process Dumper Execution — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: critical. Source dates: 2020-02-04 / 2025-01-22.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: d2335a358a2acacd3f8ee194e8957195dba9c93106b53b13da9a02cb5ed089f8

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 - Dumpert Process Dumper Execution
id: 2704ab9e-afe2-4854-a3b1-0c0706d03578
status: test
description: Detects the use of Dumpert process dumper, which dumps the lsass.exe process memory
references:
    - https://github.com/outflanknl/Dumpert
    - https://unit42.paloaltonetworks.com/actors-still-exploiting-sharepoint-vulnerability/
author: Florian Roth (Nextron Systems)
date: 2020-02-04
modified: 2025-01-22
tags:
    - attack.credential-access
    - attack.t1003.001
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        - Hashes|contains: 'MD5=09D278F9DE118EF09163C6140255C690'
        - CommandLine|contains: 'Dumpert.dll'
    condition: selection
falsepositives:
    - Very unlikely
level: critical

Original YAML and metadata in JSON

False positives

• Very unlikely

Source references

• https://github.com/outflanknl/Dumpert
• https://unit42.paloaltonetworks.com/actors-still-exploiting-sharepoint-vulnerability/