Sigma rule: Potential APT10 Cloud Hopper Activity

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-0d855627ff7b, updated 2023-03-08T00:00:00.000Z.

Rule

Title
Potential APT10 Cloud Hopper Activity
Status
test
Level
high
Author
Florian Roth (Nextron Systems)
Date
2017-04-07
Modified
2023-03-08
File
rules-emerging-threats/2017/TA/APT10/proc_creation_win_apt_apt10_cloud_hopper.yml
Commit
ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects potential process and execution activity related to APT10 Cloud Hopper operation

Log source

product
windows
category
process_creation

Detection

selection_cscript:
    Image|endswith: '\cscript.exe'
    CommandLine|contains: '.vbs /shell '
selection_csvde:
    CommandLine|contains|all:
        - 'csvde -f C:\windows\web\'
        - '.log'
condition: 1 of selection_*

False positives (as the rule lists them)

  • Unlikely

Tags

  • attack.execution
  • attack.g0045
  • attack.t1059.005
  • 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/APT10/proc_creation_win_apt_apt10_cloud_hopper.yml

Sources and licences

  • SigmaHQ

    "Potential APT10 Cloud Hopper Activity" by Florian Roth (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2017/TA/APT10/proc_creation_win_apt_apt10_cloud_hopper.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: Potential APT10 Cloud Hopper Activity",
entity page, dataset version ref-0d855627ff7b, updated 2023-03-08T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/966e4016-627f-44f7-8341-f394905c361f (accessed 2026-11-03).
Underlying source: SigmaHQ rule 966e4016-627f-44f7-8341-f394905c361f, 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.