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

SID: 903209000Rev: 10 views
Sourcesslbl/ssl-fp-blacklist
CreatedFebruary 23, 2026
UpdatedFebruary 23, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ConnectWise C&C)"; tls_cert_fingerprint; content:"12:a4:f0:cd:77:2a:c3:e9:26:a0:d9:25:19:53:b3:22:d0:e9:2f:26"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/12a4f0cd772ac3e926a0d9251953b322d0e92f26/; sid:903209000; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/12a4f0cd772ac3e926a0d9251953b322d0e92f26/

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