DPRK Threat Actor - C2 Communication DNS Indicators

Detects DNS queries for C2 domains used by DPRK Threat actors.

Sigma rule (View on GitHub)

 1title: DPRK Threat Actor - C2 Communication DNS Indicators
 2id: 4d16c9a6-4362-4863-9940-1dee35f1d70f
 3status: experimental
 4description: Detects DNS queries for C2 domains used by DPRK Threat actors.
 5references:
 6    - https://www.verfassungsschutz.de/SharedDocs/publikationen/DE/cyberabwehr/2024-02-19-joint-cyber-security-advisory-englisch.pdf?__blob=publicationFile&v=2
 7author: Nasreddine Bencherchali (Nextron Systems)
 8date: 2024-02-20
 9tags:
10    - attack.command-and-control
11    - detection.emerging-threats
12logsource:
13    product: windows
14    category: dns_query
15detection:
16    selection:
17        QueryName:
18            - 'connection.lockscreen.kro.kr'
19            - 'updating.dothome.co.kr'
20    condition: selection
21falsepositives:
22    - Unlikely
23level: high

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