SSLBL: Malicious SSL certificate detected (ConnectWise C&C)
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 4, 2026
UpdatedFebruary 4, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ConnectWise C&C)"; tls_cert_fingerprint; content:"20:24:f6:cd:45:4d:59:59:0d:a0:fa:e2:a4:50:e0:48:c4:84:b8:03"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/2024f6cd454d59590da0fae2a450e048c484b803/; sid:903208817; rev:1;)
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