Sigma rule: Kapeka Backdoor Scheduled Task Creation

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b16144e5357c, updated 2024-07-03T00:00:00.000Z.

Rule

Title
Kapeka Backdoor Scheduled Task Creation
Status
test
Level
high
Author
Swachchhanda Shrawan Poudel
Date
2024-07-03
File
rules-emerging-threats/2024/Malware/kapeka/win_security_malware_kapeka_backdoor_scheduled_task_creation.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects Kapeka backdoor scheduled task creation based on attributes such as paths, commands line flags, etc.

Log source

product
windows
service
security
definition
Requirements: The Advanced Audit Policy setting Object Access > Audit Other Object Access Events has to be configured to trigger this detection.

Detection

selection_eid:
    EventID: 4698
selection_paths:
    TaskContent|contains:
        - ':\ProgramData\'
        - '\AppData\Local\'
selection_command:
    TaskContent|contains|all:
        - 'rundll32'
        - '.wll'
        - '#1'
selection_taskname:
    TaskContent|contains:
        - 'OneDrive' # The scheduled task was called “OneDrive” instead of “Sens Api” in some cases
        - 'Sens Api'
condition: all of selection_*

False positives (as the rule lists them)

  • Unknown

Tags

  • attack.execution
  • attack.privilege-escalation
  • attack.persistence
  • attack.t1053.005
  • detection.emerging-threats

MITRE ATT&CK ids this rule names

Related rules

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/2024/Malware/kapeka/win_security_malware_kapeka_backdoor_scheduled_task_creation.yml

Sources and licences

  • SigmaHQ

    "Kapeka Backdoor Scheduled Task Creation" by Swachchhanda Shrawan Poudel (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2024/Malware/kapeka/win_security_malware_kapeka_backdoor_scheduled_task_creation.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: Kapeka Backdoor Scheduled Task Creation",
entity page, dataset version ref-b16144e5357c, updated 2024-07-03T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/6c130acd-0adb-4545-bcc4-2e85d0883c9a (accessed 2026-11-03).
Underlying source: SigmaHQ rule 6c130acd-0adb-4545-bcc4-2e85d0883c9a, 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.