ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Qadars CnC)

SID: 2022387Rev: 30 viewsHistory

Sourceet/open

CreatedJanuary 21, 2016

UpdatedApril 18, 2024

Classificationdomain-c2

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Qadars CnC)"; flow:established,to_client; tls.cert_subject; content:"CN=contora24.com"; reference:md5,9b8fed949202b860d49f326d5e33bb35; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2022387; rev:3; metadata:attack_target Client_and_Server, created_at 2016_01_21, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_04_18, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)

References

md5	9b8fed949202b860d49f326d5e33bb35 Google Search Brave Search
url	sslbl.abuse.ch

Metadata

attack targetClient_and_Server

created at2016_01_21

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityMajor

tagSSL_Malicious_Cert

updated at2024_04_18

mitre tactic idTA0011

mitre tactic nameCommand_And_Control

mitre technique idT1071

mitre technique nameApplication_Layer_Protocol

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