ET MALWARE Nosviak C2 Variant Host Status Page Response (sha1:3e2561532be10aa91242c3867f3257f6a005b1b8)

SID: 2059666Rev: 155 views

Sourceet/open

CreatedJanuary 27, 2025

UpdatedJanuary 27, 2025

Classificationcommand-and-control

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Nosviak C2 Variant Host Status Page Response (sha1:3e2561532be10aa91242c3867f3257f6a005b1b8)"; flow:established,to_client; http.response_body; to_sha1; content:"|3e2561532be10aa91242c3867f3257f6a005b1b8|"; reference:url,censys.com/pivoting-for-nosviak/; classtype:command-and-control; sid:2059666; rev:1; metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2025_01_27, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag c2, updated_at 2025_01_27, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol; target:src_ip;)

References

url	censys.com/pivoting-for-nosviak/

Metadata

attack targetClient_Endpoint

tls stateTLSDecrypt

created at2025_01_27

deploymentSSLDecrypt

confidenceHigh

signature severityMajor

tagc2

updated at2025_01_27

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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