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blue-team-tools/rules/windows/dns_query/dns_query_win_mega_nz.yml
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Nasreddine Bencherchali 85fb255bc9 feat: new rules and updates
2023-01-17 01:00:44 +01:00

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YAML

title: DNS Query for MEGA.io Upload Domain - Sysmon
id: 613c03ba-0779-4a53-8a1f-47f914a4ded3
related:
- id: 66474410-b883-415f-9f8d-75345a0a66a6
type: similar
status: test
description: Detects DNS queries for subdomains used for upload to MEGA.io
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: 2023/01/16
tags:
- attack.exfiltration
- attack.t1567.002
logsource:
product: windows
category: dns_query
detection:
selection:
QueryName|contains: 'userstorage.mega.co.nz'
condition: selection
falsepositives:
- Legitimate DNS queries and usage of Mega
level: high