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

SID: 903209951Rev: 1EnabledDerived2 views
Filesslblacklist_tls_cert.rules
CreatedJune 17, 2026
UpdatedJune 17, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ConnectWise C&C)"; tls_cert_fingerprint; content:"27:44:42:83:cb:0b:64:a2:a4:6f:81:8a:ff:fc:65:7a:4f:d4:81:7b"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/27444283cb0b64a2a46f818afffc657a4fd4817b/; sid:903209951; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/27444283cb0b64a2a46f818afffc657a4fd4817b/

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