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