SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)

SID: 903209650Rev: 1EnabledDerived0 views
Filesslblacklist_tls_cert.rules
CreatedMay 14, 2026
UpdatedMay 14, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"17:e7:7e:50:99:f9:47:d0:d0:81:76:4e:90:68:af:08:c1:0a:54:30"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/17e77e5099f947d0d081764e9068af08c10a5430/; sid:903209650; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/17e77e5099f947d0d081764e9068af08c10a5430/

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