alert http $HOME_NET any -> $EXTERNAL_NET 8511 (msg:"ET MOBILE_MALWARE DroidKungFu Variant"; flow:established,to_server; content:"GET"; http_method; content:"/search/"; http_uri; content:".php?i="; http_uri; distance:0; content:"1.0|0d 0a|User-Agent|3a| unknown|0d 0a 0d 0a|"; classtype:trojan-activity; sid:2016345; rev:5; metadata:created_at 2013_02_05, signature_severity Major, updated_at 2019_07_26;)