Sigma rule: Diamond Sleet APT File Creation Indicators

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-9d93c0d14c8e, updated 2023-10-24T00:00:00.000Z.

Rule

Title: Diamond Sleet APT File Creation Indicators
Status: test
Level: high
Author: Nasreddine Bencherchali (Nextron Systems)
Date: 2023-10-24
File: rules-emerging-threats/2023/TA/Diamond-Sleet/file_event_win_apt_diamond_sleet_indicators.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects file creation activity that is related to Diamond Sleet APT activity

Log source

product: windows
category: file_event

Detection

selection:
    TargetFilename|endswith:
        - ':\ProgramData\4800-84DC-063A6A41C5C'
        - ':\ProgramData\clip.exe'
        - ':\ProgramData\DSROLE.dll'
        - ':\ProgramData\Forest64.exe'
        - ':\ProgramData\readme.md'
        - ':\ProgramData\Version.dll'
        - ':\ProgramData\wsmprovhost.exe'
condition: selection

False positives (as the rule lists them)

Unlikely

References

https://www.microsoft.com/en-us/security/blog/2023/10/18/multiple-north-korean-threat-actors-exploiting-the-teamcity-cve-2023-42793-vulnerability/

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/2023/TA/Diamond-Sleet/file_event_win_apt_diamond_sleet_indicators.yml

Sources and licences

SigmaHQ
"Diamond Sleet APT File Creation Indicators" by Nasreddine Bencherchali (Nextron Systems) (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2023/TA/Diamond-Sleet/file_event_win_apt_diamond_sleet_indicators.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: Diamond Sleet APT File Creation Indicators",
entity page, dataset version ref-9d93c0d14c8e, updated 2023-10-24T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/e1212b32-55ff-4dfb-a595-62b572248056 (accessed 2026-11-03).
Underlying source: SigmaHQ rule e1212b32-55ff-4dfb-a595-62b572248056, 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.