SigmaHQ/rules/windows/dns_query/dns_mega_nz.yml
2021-07-08 07:41:11 +02:00

21 lines
634 B
YAML

title: DNS Query for MEGA.io Upload Domain
id: 613c03ba-0779-4a53-8a1f-47f914a4ded3
description: Detects DNS queries for subdomains used for upload to MEGA.io
status: experimental
date: 2021/05/26
author: Aaron Greetham (@beardofbinary) - NCC Group
references:
- https://research.nccgroup.com/2021/05/27/detecting-rclone-an-effective-tool-for-exfiltration/
tags:
- attack.exfiltration
- attack.t1567.002
falsepositives:
- Legitimate Mega upload
level: high
logsource:
product: windows
category: dns_query
detection:
dns_request:
QueryName|contains: userstorage.mega.co.nz
condition: dns_request