Sigma rule: Credential Dumping Attempt Via Svchost

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-43f9c39af088, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Credential Dumping Attempt Via Svchost
Status
test
Level
high
Author
Florent Labouyrie
Date
2021-04-30
Modified
2022-10-09
File
rules/windows/process_access/proc_access_win_svchost_credential_dumping.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

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

Log source

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_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.privilege-escalation
  • attack.t1548

MITRE ATT&CK ids this rule names

References

  • Internal Research

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_access/proc_access_win_svchost_credential_dumping.yml

Sources and licences

  • SigmaHQ

    "Credential Dumping Attempt Via Svchost" by Florent Labouyrie (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_access/proc_access_win_svchost_credential_dumping.yml.
    Licensed under the Detection Rule License (DRL) 1.1: https://github.com/SigmaHQ/Detection-Rule-License

    Detection Rule License (DRL) 1.1

Cite this page

Dragons Eye Ransomware Tracker, "Sigma rule: Credential Dumping Attempt Via Svchost",
entity page, dataset version ref-43f9c39af088, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/174afcfa-6e40-4ae9-af64-496546389294 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 174afcfa-6e40-4ae9-af64-496546389294, commit ccbb0369507f796db0b0ae6854c8a2be471b9d84.

Pages change. The dataset version identifies the data, but no archive of old versions is kept, so this citation cannot be replayed later.