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blue-team-tools/rules/windows/process_creation/proc_creation_win_renamed_megasync.yml
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Nasreddine Bencherchali 598d29f811 Merge PR #4950 from @nasbench - Comply With v2 Spec Changes
chore: change tags, date, modified fields to comply with v2 of the Sigma spec.
chore: update the related type from `obsoletes` to `obsolete`.
chore: update local json schema to the latest version.
2024-08-12 12:02:50 +02:00

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YAML

title: Renamed MegaSync Execution
id: 643bdcac-8b82-49f4-9fd9-25a90b929f3b
status: test
description: Detects the execution of a renamed MegaSync.exe as seen used by ransomware families like Nefilim, Sodinokibi, Pysa, and Conti.
references:
- https://redcanary.com/blog/rclone-mega-extortion/
author: Sittikorn S
date: 2021-06-22
modified: 2023-02-03
tags:
- attack.defense-evasion
- attack.t1218
logsource:
product: windows
category: process_creation
detection:
selection:
OriginalFileName: 'megasync.exe'
filter:
Image|endswith: '\megasync.exe'
condition: selection and not filter
falsepositives:
- Software that illegally integrates MegaSync in a renamed form
- Administrators that have renamed MegaSync
level: high