alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT CrimePack PDF Exploit"; flow:established,to_server; content:"/pdf.php?pdf="; http_uri; fast_pattern; content:"type="; http_uri; pcre:"/\/pdf\.php\?pdf=[a-f0-9]{32}&/Ui"; flowbits:set,et.exploitkitlanding; classtype:exploit-kit; sid:2017862; rev:4; metadata:created_at 2013_12_16, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;)