title: RClone Execution
author: Bhabesh Raj, Sittikorn S
date: 2021/05/10
description: Detects execution of RClone utility for exfiltration as used by various
    ransomwares strains like REvil, Conti, FiveHands, etc
detection:
    SELECTION_1:
        EventID: 1
    SELECTION_10:
        CommandLine: '*--progress*'
    SELECTION_11:
        CommandLine: '*--ignore-existing*'
    SELECTION_12:
        CommandLine: '*--auto-confirm*'
    SELECTION_13:
        CommandLine: '*--transfers*'
    SELECTION_14:
        CommandLine: '*--multi-thread-streams*'
    SELECTION_2:
        Description: Rsync for cloud storage
    SELECTION_3:
        CommandLine: '*--config *'
    SELECTION_4:
        CommandLine: '*--no-check-certificate *'
    SELECTION_5:
        CommandLine: '* copy *'
    SELECTION_6:
        Image: '*\rclone.exe'
    SELECTION_7:
        CommandLine: '*mega*'
    SELECTION_8:
        CommandLine: '*pcloud*'
    SELECTION_9:
        CommandLine: '*ftp*'
    condition: (SELECTION_1 and (SELECTION_2 or (SELECTION_3 and SELECTION_4 and SELECTION_5)
        or ((SELECTION_6) and (SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
        or SELECTION_11 or SELECTION_12 or SELECTION_13 or SELECTION_14))))
falsepositives:
- Legitimate RClone use
fields:
- CommandLine
- ParentCommandLine
- Details
id: a0d63692-a531-4912-ad39-4393325b2a9c
level: high
logsource:
    category: process_creation
    product: windows
modified: 2021/06/29
references:
- https://thedfirreport.com/2021/03/29/sodinokibi-aka-revil-ransomware
- https://us-cert.cisa.gov/ncas/analysis-reports/ar21-126a
- https://labs.sentinelone.com/egregor-raas-continues-the-chaos-with-cobalt-strike-and-rclone
- https://www.splunk.com/en_us/blog/security/darkside-ransomware-splunk-threat-update-and-detections.html
status: deprecated
tags:
- attack.exfiltration
- attack.t1567.002
yml_filename: sysmon_rclone_execution.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/deprecated