Sigma rule: Suspicious Add Scheduled Task From User AppData Temp

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b01ca95ca038, updated 2023-03-14T00:00:00.000Z.

SigmaHQ marks this rule as deprecated.

Rule

Title
Suspicious Add Scheduled Task From User AppData Temp
Status
deprecated
Level
high
Author
frack113
Date
2021/11/03
Modified
2023/03/14
File
deprecated/windows/proc_creation_win_schtasks_user_temp.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

schtasks.exe create task from user AppData\Local\Temp

Log source

product
windows
category
process_creation

Detection

schtasks:
    Image|endswith: '\schtasks.exe'
option:
    CommandLine|contains|all:
        - '/Create '
        - '\AppData\Local\Temp'
filter_klite_codec:
    CommandLine|contains|all:
        - '/Create /TN "klcp_update" /XML '
        - '\klcp_update_task.xml'
condition: schtasks and option and not 1 of filter_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.t1053.005

MITRE ATT&CK ids this rule names

References

  • malware analyse https://www.joesandbox.com/analysis/514608/0/html#324415FF7D8324231381BAD48A052F85DF04

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

Sources and licences

  • SigmaHQ

    "Suspicious Add Scheduled Task From User AppData Temp" by frack113 (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/deprecated/windows/proc_creation_win_schtasks_user_temp.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: Suspicious Add Scheduled Task From User AppData Temp",
entity page, dataset version ref-b01ca95ca038, updated 2023-03-14T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/43f487f0-755f-4c2a-bce7-d6d2eec2fcf8 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 43f487f0-755f-4c2a-bce7-d6d2eec2fcf8, 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.