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id : quasar-rat-c2
info :
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name : Quasar RAT C2 SSL Certificate - Detect
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author : johnk3r,pussycat0x
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severity : info
description : |
Quasar RAT is a malware family written in .NET which is used by a variety of attackers. The malware is fully functional and open source, and is often packed to make analysis of the source more difficult.
reference : |
https://malpedia.caad.fkie.fraunhofer.de/details/win.quasar_rat
metadata :
verified : "true"
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max-request : 1
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shodan-query : ssl.cert.subject.cn:"Quasar Server CA"
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censys-query: 'services.tls.certificates.leaf_data.subject.common_name : {"Orcus Server" , "OrcusServerCertificate" }'
tags : c2,ir,osint,malware,quasar,rat
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ssl :
- address : "{{Host}}:{{Port}}"
matchers :
- type : word
part : issuer_cn
words :
- "Quasar Server CA"
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- "OrcusServerCertificate"
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condition : or
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extractors :
- type : json
json :
- " .issuer_cn"
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# digest: 4a0a00473045022100d3f2d63a1179732f4fa7770a99c154ab554dde15fb85beebf9a1bdb6eb036fe602202a71b68f7ad93784479fa9f4a7a67b8edff7337959345fcac160760ae79730b5:922c64590222798bb761d5b6d8e72950
