alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT BottleEK Plugin Check JS"; flow:established,to_client; http.stat_code; content:"200"; http.content_type; content:"application/javascript"; file.data; content:"hasFlash=0x1"; content:"flashVersion=parseInt(VSwf"; distance:0; fast_pattern; content:"new RegExp('MSIE|5c|x20(|5c|x5cd+|5c|x5c.|5c|x5cd+)|3b|')|3b|"; distance:0; content:"))|3b|if(user==''){setCookie("; distance:0; content:"'data':{'data1':chk,'data2':is64,'data3':fls"; distance:0; classtype:exploit-kit; sid:2029123; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_12_12, deployment Perimeter, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_24;)