alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Smart Fortress FakeAV/Kryptik.ABNC Checkin"; flow:established,to_server; http.uri; content:"/?&affid="; fast_pattern; http.header; content:"Accept|3a| *//*|0d 0a|"; reference:md5,fa20c17e5f58e7419b4f0eed318fa95a; reference:url,support.kaspersky.com/viruses/rogue/description?qid=208286259; classtype:command-and-control; sid:2014293; rev:4; metadata:created_at 2012_02_29, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_04_21;)