Rclone Config File Creation — Sigma Rule

Rule metadata and linked tags

Author: Aaron Greetham (@beardofbinary) - NCC Group. Source status: test; severity: medium. Source dates: 2021-05-26 / 2023-05-09.

{
  "product": "windows",
  "category": "file_event"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 0c4cc525d993fce4e91ead7b88b1d450b32db3c6846d9bb1f6fdec247495811c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Rclone Config File Creation
id: 34986307-b7f4-49be-92f3-e7a4d01ac5db
status: test
description: Detects Rclone config files being created
references:
    - https://research.nccgroup.com/2021/05/27/detecting-rclone-an-effective-tool-for-exfiltration/
author: Aaron Greetham (@beardofbinary) - NCC Group
date: 2021-05-26
modified: 2023-05-09
tags:
    - attack.exfiltration
    - attack.t1567.002
logsource:
    product: windows
    category: file_event
detection:
    selection:
        TargetFilename|contains|all:
            - ':\Users\'
            - '\.config\rclone\'
    condition: selection
falsepositives:
    - Legitimate Rclone usage
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate Rclone usage

Source references

• https://research.nccgroup.com/2021/05/27/detecting-rclone-an-effective-tool-for-exfiltration/