Rule History

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT CritX/SafePack/FlashPack URI Format June 17 2013 1"; flow:established,to_server; content:".php?"; http_uri; content:"3a313"; http_uri; fast_pattern; pcre:"/=(3[0-9a]|2e)+3a313[3-9](3[0-9]){8}$/U"; reference:url,www.malwaresigs.com/2013/06/14/slight-change-in-flashpack-uri/; classtype:exploit-kit; sid:2017022; rev:4; metadata:created_at 2013_06_18, signature_severity Major, updated_at 2019_10_08;)