HackTool - Dumpert Process Dumper Default File — Sigma Rule

Rule metadata and linked tags

Author: Florian Roth (Nextron Systems). Source status: test; severity: critical. Source dates: 2020-02-04 / 2023-05-09.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: b41a801c7074ae9c841c3d02f5571682638e8497c5724033492ee25e58d8ac76

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 Default File
id: 93d94efc-d7ad-4161-ad7d-1638c4f908d8
related:
    - id: 2704ab9e-afe2-4854-a3b1-0c0706d03578
      type: derived
status: test
description: Detects the creation of the default dump file used by Outflank Dumpert tool. A process dumper, which dumps the lsass 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: 2023-05-09
tags:
    - attack.credential-access
    - attack.t1003.001
logsource:
    category: file_event
    product: windows
detection:
    selection:
        TargetFilename|endswith: 'dumpert.dmp'
    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/