Detection rules › Sigma

HackTool - Dumpert Process Dumper Default File

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

Detects the creation of the default dump file used by Outflank Dumpert tool. A process dumper, which dumps the lsass process memory

Known false positives

  • Very unlikely

MITRE ATT&CK coverage

TacticTechniques
Credential Access

Telemetry coverage

ProviderRecord / event type
SysmonEvent ID 11: FileCreate

Rule body

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

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    TargetFilename|endswith: 'dumpert.dmp'

Indicators

These rows show field, operator, and value matches.