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

SID: 903210004Rev: 1EnabledDerived2 views
Filesslblacklist_tls_cert.rules
CreatedJune 24, 2026
UpdatedJune 24, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ConnectWise C&C)"; tls_cert_fingerprint; content:"f6:40:a6:28:ef:14:1a:81:71:e5:b2:30:3f:89:b4:c4:da:a5:91:ec"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/f640a628ef141a8171e5b2303f89b4c4daa591ec/; sid:903210004; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/f640a628ef141a8171e5b2303f89b4c4daa591ec/

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