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Detection rules › Sigma

Procdump Execution

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

Detects usage of the SysInternals Procdump utility

MITRE ATT&CK coverage

TacticTechniques
StealthT1036 Masquerading
Credential AccessT1003.001 OS Credential Dumping: LSASS Memory

Event coverage

ProviderEventTitle
SysmonEvent ID 1Process creation
Security-AuditingEvent ID 4688A new process has been created.

Rule body yaml

title: Procdump Execution
id: 2e65275c-8288-4ab4-aeb7-6274f58b6b20
status: test
description: Detects usage of the SysInternals Procdump utility
references:
    - https://learn.microsoft.com/en-us/sysinternals/downloads/procdump
author: Florian Roth (Nextron Systems)
date: 2021-08-16
modified: 2023-02-28
tags:
    - attack.stealth
    - attack.t1036
    - attack.t1003.001
    - attack.credential-access
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith:
            - '\procdump.exe'
            - '\procdump64.exe'
    condition: selection
falsepositives:
    - Legitimate use of procdump by a developer or administrator
level: medium

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    Image|endswith:
        - '\procdump.exe'
        - '\procdump64.exe'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
Imageends_with
  • \procdump.exe corpus 4 (sigma 4)
  • \procdump64.exe corpus 2 (sigma 2)