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

SID: 903209941Rev: 1EnabledDerived1 views
Filesslblacklist_tls_cert.rules
CreatedJune 16, 2026
UpdatedJune 16, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (ConnectWise C&C)"; tls_cert_fingerprint; content:"4b:2b:fe:2a:2c:3d:4e:d1:d3:99:5d:50:06:d4:a3:95:46:9c:33:fe"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/4b2bfe2a2c3d4ed1d3995d5006d4a395469c33fe/; sid:903209941; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/4b2bfe2a2c3d4ed1d3995d5006d4a395469c33fe/

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