Rule History

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE DDoS.Win32.Agent.bay Variant Covert Channel (VERSONEX)"; flow:established,to_server; content:"VERSONEX|3a|"; depth:9; fast_pattern; byte_test:1,>=,0x30,0,relative; byte_test:1,<=,0x39,0,relative; content:"|7c|"; distance:1; within:1; reference:md5,f80af2735fdad5fe14defc4f1df1cc30; classtype:trojan-activity; sid:2020978; rev:2; metadata:created_at 2015_04_23, signature_severity Major, updated_at 2019_07_26;)