Versions (4)
Version DetailsCurrent
Rev: 1 • Apr 24, 2012, 12:00 PMET MALWARE Possible Variant.Kazy.53640 Malformed Client Hello SSL 3.0 (Cipher_Suite length greater than Client_Hello Length)
alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET MALWARE Possible Variant.Kazy.53640 Malformed Client Hello SSL 3.0 (Cipher_Suite length greater than Client_Hello Length)"; flow:to_server,established; content:"|16 03 00|"; depth:3; content:"|01|"; distance:2; within:1; byte_extract:3,0,SSL.Client_Hello.length,relative; byte_jump:1,34,relative; byte_test:2,>,SSL.Client_Hello.length,0,relative; reference:md5,a01d75158cf4618677f494f9626b1c4c; classtype:trojan-activity; sid:2014635; rev:1; metadata:created_at 2012_04_24, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Apr 24, 2012, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Nov 6, 2025, 10:34 PM
rules/emerging-malware.rules