alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Possible TDS Exploit Kit /flow redirect at .ru domain"; flow:established,to_server; urilen:<12; http.method; content:"GET"; http.uri; content:"/flow"; fast_pattern; startswith; pcre:"/^\d{1,2}\.php$/R"; http.host; content:".ru"; endswith; classtype:exploit-kit; sid:2015897; rev:6; metadata:created_at 2012_11_20, confidence Medium, signature_severity Major, tag TDS, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_14;)