Sigma rule: FlowCloud Registry Markers

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-b11bb9207ccf, updated 2024-03-20T00:00:00.000Z.

Rule

Title
FlowCloud Registry Markers
Status
test
Level
critical
Author
NVISO
Date
2020-06-09
Modified
2024-03-20
File
rules-emerging-threats/2020/Malware/FlowCloud/registry_event_malware_flowcloud_markers.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects FlowCloud malware registry markers from threat group TA410.
The malware stores its configuration in the registry alongside drivers utilized by the malware's keylogger components.

Log source

product
windows
category
registry_event

Detection

selection:
    TargetObject|contains:
        - '\HARDWARE\{2DB80286-1784-48b5-A751-B6ED1F490303}'
        - '\HARDWARE\{804423C2-F490-4ac3-BFA5-13DEDE63A71A}'
        - '\HARDWARE\{A5124AF5-DF23-49bf-B0ED-A18ED3DEA027}'
        - '\SYSTEM\Setup\PrintResponsor\'
condition: selection

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.persistence
  • attack.defense-impairment
  • attack.t1112
  • 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/2020/Malware/FlowCloud/registry_event_malware_flowcloud_markers.yml

Sources and licences

  • SigmaHQ

    "FlowCloud Registry Markers" by NVISO (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2020/Malware/FlowCloud/registry_event_malware_flowcloud_markers.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: FlowCloud Registry Markers",
entity page, dataset version ref-b11bb9207ccf, updated 2024-03-20T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/5118765f-6657-4ddb-a487-d7bd673abbf1 (accessed 2026-11-03).
Underlying source: SigmaHQ rule 5118765f-6657-4ddb-a487-d7bd673abbf1, 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.