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SID: 2049713 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 1Dec 15, 2023, 12:00 PM

ET MALWARE Observed Malicious SSL Cert (TA577)

alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Malicious SSL Cert (TA577)"; flow:established,to_client; tls.cert_subject; bsize:111; content:"C=AR, ST=SL, O=Phaneroscope Adelaster Inc., OU=Quietener Noncompressive, L=Outreason, CN=unwarmedbefringes.work"; fast_pattern; reference:url,twitter.com/reecdeep/status/1735649391447302362; classtype:trojan-activity; sid:2049713; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_15, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag TA577, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_15;)

Dec 15, 2023, 12:00 PM

Dec 15, 2023, 12:00 PM

Sep 21, 2024, 3:00 AM

Aug 18, 2025, 8:35 PM

rules/emerging-malware.rules