alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/Pasta.IK Checkin"; flow:established,to_server; http.uri; content:"/data/index.asp?act="; fast_pattern; content:"&ver=Ver"; content:"&a="; reference:md5,1a13d56365e864aba54967d4745ab660; classtype:command-and-control; sid:2014263; rev:3; metadata:created_at 2012_02_21, signature_severity Major, updated_at 2024_03_16;)