sigmalowHunting

New Kind of Network (NKN) Detection

NKN is a networking service using blockchain technology to support a decentralized network of peers. While there are legitimate uses for it, it can also be used as a C2 channel. This rule looks for a DNS request to the ma>

Detection Query

selection:
  query|contains|all:
    - seed
    - .nkn.org
condition: selection

Author

Michael Portera (@mportatoes)

Created

2022-04-21

Data Sources

zeekdns

Platforms

zeek

References

Tags

attack.command-and-control

Raw Content

title: New Kind of Network (NKN) Detection
id: fa7703d6-0ee8-4949-889c-48c84bc15b6f
status: test
description: NKN is a networking service using blockchain technology to support a decentralized network of peers. While there are legitimate uses for it, it can also be used as a C2 channel. This rule looks for a DNS request to the ma>
references:
    - https://github.com/nknorg/nkn-sdk-go
    - https://unit42.paloaltonetworks.com/manageengine-godzilla-nglite-kdcsponge/
    - https://github.com/Maka8ka/NGLite
author: Michael Portera (@mportatoes)
date: 2022-04-21
tags:
    - attack.command-and-control
logsource:
    product: zeek
    service: dns
detection:
    selection:
        query|contains|all:
            - 'seed'
            - '.nkn.org'
    condition: selection
falsepositives:
    - Unknown
level: low