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

SID: 903210534Rev: 1EnabledDerived1 views
Filesslblacklist_tls_cert.rules
CreatedAugust 29, 2026
UpdatedAugust 29, 2026
alert tls $EXTERNAL_NET any -> $HOME_NET any (msg:"SSLBL: Malicious SSL certificate detected (NetSupport C&C)"; tls_cert_fingerprint; content:"e4:81:c5:8f:50:12:d5:d8:a5:17:7b:f8:4b:05:5f:c9:3c:06:e3:2e"; reference:url, sslbl.abuse.ch/ssl-certificates/sha1/e481c58f5012d5d8a5177bf84b055fc93c06e32e/; sid:903210534; rev:1;)

References

urlsslbl.abuse.ch/ssl-certificates/sha1/e481c58f5012d5d8a5177bf84b055fc93c06e32e/

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