Sigma rule: Lazarus System Binary Masquerading

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-4b229495b973, updated 2023-03-10T00:00:00.000Z.

Rule

Title
Lazarus System Binary Masquerading
Status
test
Level
high
Author
Trent Liffick (@tliffick), Bartlomiej Czyz (@bczyz1)
Date
2020-06-03
Modified
2023-03-10
File
rules-emerging-threats/2017/TA/Lazarus/proc_creation_win_apt_lazarus_binary_masquerading.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects binaries used by the Lazarus group which use system names but are executed and launched from non-default location

Log source

product
windows
category
process_creation

Detection

selection:
    Image|endswith:
        - '\msdtc.exe'
        - '\gpsvc.exe'
filter:
    Image|startswith:
        - 'C:\Windows\System32\'
        - 'C:\Windows\SysWOW64\'
condition: selection and not filter

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.stealth
  • attack.t1036.005
  • detection.emerging-threats

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-emerging-threats/2017/TA/Lazarus/proc_creation_win_apt_lazarus_binary_masquerading.yml

Sources and licences

  • SigmaHQ

    "Lazarus System Binary Masquerading" by Trent Liffick (@tliffick), Bartlomiej Czyz (@bczyz1) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2017/TA/Lazarus/proc_creation_win_apt_lazarus_binary_masquerading.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: Lazarus System Binary Masquerading",
entity page, dataset version ref-4b229495b973, updated 2023-03-10T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/3f7f5b0b-5b16-476c-a85f-ab477f6dd24b (accessed 2026-11-03).
Underlying source: SigmaHQ rule 3f7f5b0b-5b16-476c-a85f-ab477f6dd24b, 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.