Sigma rule: File Creation Related To RAT Clients

A detection rule from the SigmaHQ repository, shown as its author published it. Dataset version ref-7fae1556a432, updated 2024-12-19T00:00:00.000Z.

Rule

Title: File Creation Related To RAT Clients
Status: experimental
Level: high
Author: Joseliyo Sanchez, @Joseliyo_Jstnk
Date: 2024-12-19
File: rules-emerging-threats/2024/Malware/Generic/file_event_win_malware_generic_creation_configuration_rats.yml
Commit: ccbb0369507f796db0b0ae6854c8a2be471b9d84

File .conf created related to VenomRAT, AsyncRAT and Lummac samples observed in the wild.

Log source

product: windows
category: file_event

Detection

# VT Query: behaviour_files:"\\AppData\\Roaming\\DataLogs\\DataLogs.conf"
# VT Query: behaviour_files:"DataLogs.conf" or behaviour_files:"hvnc.conf" or behaviour_files:"dcrat.conf"
selection_required:
    TargetFilename|contains: '\AppData\Roaming\'
selection_variants:
    TargetFilename|contains:
        - '\mydata\'
        - '\datalogs\'
        - '\hvnc\'
        - '\dcrat\'
    TargetFilename|endswith:
        - '\datalogs.conf'
        - '\hvnc.conf'
        - '\dcrat.conf'
condition: all of selection_*

False positives (as the rule lists them)

Legitimate software creating a file with the same name

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/Generic/file_event_win_malware_generic_creation_configuration_rats.yml

Sources and licences

SigmaHQ
"File Creation Related To RAT Clients" by Joseliyo Sanchez, @Joseliyo_Jstnk (SigmaHQ). Rule: https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules-emerging-threats/2024/Malware/Generic/file_event_win_malware_generic_creation_configuration_rats.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: File Creation Related To RAT Clients",
entity page, dataset version ref-7fae1556a432, updated 2024-12-19T00:00:00.000Z,
https://ransomware-tracker.com/detections/sigma/2f3039c8-e8fe-43a9-b5cf-dcd424a2522d (accessed 2026-11-03).
Underlying source: SigmaHQ rule 2f3039c8-e8fe-43a9-b5cf-dcd424a2522d, 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.