Detection rules › Sigma

DNS Query To MEGA Hosting Website

Severity
medium
Author
Aaron Greetham (@beardofbinary) - NCC Group
Source
upstream

Detects DNS queries for subdomains related to MEGA sharing website

MITRE ATT&CK coverage

TacticTechniques
ExfiltrationT1567.002 Exfiltration Over Web Service: Exfiltration to Cloud Storage

Event coverage

ProviderEvent IDTitle
Sysmon22DNSEvent (DNS query)

Stages and Predicates

Stage 1: selection

QueryName|contains: userstorage.mega.co.nz

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

FieldKindValues
QueryNamematch
  • userstorage.mega.co.nz corpus 2 (sigma 2)