Sigma rule: Password Dumper Activity on LSASS

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-edfda2888cb6, updated 2022-10-09T00:00:00.000Z.

Rule

Title
Password Dumper Activity on LSASS
Status
test
Level
high
Author
sigma
Date
2017-02-12
Modified
2022-10-09
File
rules/windows/builtin/security/win_security_susp_lsass_dump.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects process handle on LSASS process with certain access mask and object type SAM_DOMAIN

Log source

product
windows
service
security

Detection

selection:
    EventID: 4656
    ProcessName|endswith: '\lsass.exe'
    AccessMask: '0x705'
    ObjectType: 'SAM_DOMAIN'
condition: selection

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.credential-access
  • attack.t1003.001

MITRE ATT&CK ids this rule names

References

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/builtin/security/win_security_susp_lsass_dump.yml

Sources and licences

  • SigmaHQ

    "Password Dumper Activity on LSASS" by sigma (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/builtin/security/win_security_susp_lsass_dump.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: Password Dumper Activity on LSASS",
entity page, dataset version ref-edfda2888cb6, updated 2022-10-09T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/aa1697b7-d611-4f9a-9cb2-5125b4ccfd5c (accessed 2026-11-03).
Underlying source: SigmaHQ rule aa1697b7-d611-4f9a-9cb2-5125b4ccfd5c, 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.