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

SID: 903208850Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 6, 2026
UpdatedFebruary 6, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (CobaltStrike C&C)"; tls_cert_fingerprint; content:"f7:e2:a3:5e:1a:58:1d:ee:f9:04:0e:6b:02:ff:6b:8c:0f:0f:71:34"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f7e2a35e1a581deef9040e6b02ff6b8c0f0f7134/; sid:903208850; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/f7e2a35e1a581deef9040e6b02ff6b8c0f0f7134/

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