alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT EgyPack Exploit Kit Post-Infection Request"; flow:established,to_server; content:"Egypack"; nocase; http_user_agent; depth:7; flowbits:set,et.exploitkitlanding; reference:url,www.kahusecurity.com/2011/new-exploit-kit-egypack/; reference:url,www.vbulletin.com/forum/forum/vbulletin-3-8/vbulletin-3-8-questions-problems-and-troubleshooting/346989-vbulletin-footer-sql-injection-hack; reference:url,blog.webroot.com/2013/03/29/a-peek-inside-the-egypack-web-malware-exploitation-kit/; classtype:exploit-kit; sid:2013176; rev:7; metadata:created_at 2011_07_04, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_11;)