Credential Dumping Attempt Via Svchost

Description

Detects when a process tries to access the memory of svchost to potentially dump credentials.

Query · sigma

selection:
  TargetImage|endswith: \svchost.exe
  GrantedAccess: '0x143a'
filter_main_known_processes:
  SourceImage|endswith:
  - \services.exe
  - \msiexec.exe
condition: selection and not 1 of filter_main_*

Known false positives

  • Unknown
Raw source Credential Dumping Attempt Via Svchost · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Credential Dumping Attempt Via Svchost
id: 174afcfa-6e40-4ae9-af64-496546389294
status: test
description: Detects when a process tries to access the memory of svchost to potentially dump credentials.
references:
    - Internal Research
author: Florent Labouyrie
date: 2021-04-30
modified: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.t1548
logsource:
    product: windows
    category: process_access
detection:
    selection:
        TargetImage|endswith: '\svchost.exe'
        GrantedAccess: '0x143a'
    filter_main_known_processes:
        SourceImage|endswith:
            - '\services.exe'
            - '\msiexec.exe'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: high

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