ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL Certificate Detected (Malware C2)

7.0.3 5.0SID: 2022919Rev: 4Enabled1 views

Fileemerging-malware.rules

CreatedJune 27, 2016

UpdatedMarch 26, 2024

Classificationdomain-c2

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE ABUSE.CH SSL Fingerprint Blacklist Malicious SSL Certificate Detected (Malware C2)"; flow:established,to_client; tls.cert_subject; bsize:16; content:"CN=4b7gf8bngf877"; fast_pattern; reference:url,sslbl.abuse.ch; classtype:domain-c2; sid:2022919; rev:4; metadata:attack_target Client_and_Server, created_at 2016_06_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag SSL_Malicious_Cert, updated_at 2024_03_26, mitre_tactic_id TA0042, mitre_tactic_name Resource_Development, mitre_technique_id T1587, mitre_technique_name Develop_Capabilities;)

References

url	sslbl.abuse.ch

Metadata

attack targetClient_and_Server

created at2016_06_27

deploymentPerimeter

performance impactLow

confidenceHigh

signature severityMajor

tagSSL_Malicious_Cert

updated at2024_03_26

mitre tactic idTA0042

mitre tactic nameResource_Development

mitre technique idT1587

mitre technique nameDevelop_Capabilities

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