Sigma rule: Renamed Jusched.EXE Execution

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-9a176686523f, updated 2023-02-03T00:00:00.000Z.

Rule

Title
Renamed Jusched.EXE Execution
Status
test
Level
high
Author
Markus Neis, Swisscom
Date
2019-06-04
Modified
2023-02-03
File
rules/windows/process_creation/proc_creation_win_renamed_jusched.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of a renamed "jusched.exe" as seen used by the cobalt group

Log source

product
windows
category
process_creation

Detection

selection:
    Description:
        - Java Update Scheduler
        - Java(TM) Update Scheduler
filter:
    Image|endswith: '\jusched.exe'
condition: selection and not filter

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.stealth
  • attack.t1036.003

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/process_creation/proc_creation_win_renamed_jusched.yml

Sources and licences

  • SigmaHQ

    "Renamed Jusched.EXE Execution" by Markus Neis, Swisscom (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_renamed_jusched.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: Renamed Jusched.EXE Execution",
entity page, dataset version ref-9a176686523f, updated 2023-02-03T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/edd8a48c-1b9f-4ba1-83aa-490338cd1ccb (accessed 2026-11-03).
Underlying source: SigmaHQ rule edd8a48c-1b9f-4ba1-83aa-490338cd1ccb, 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.