alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE PWS.TIBIA Checkin or Data Post"; flow:established,to_server; http.method; content:"POST"; nocase; http.uri; content:"/arq.php"; fast_pattern; http.user_agent; bsize:38; content:"Mozilla/3.0 (compatible|3b| Indy Library)"; classtype:command-and-control; sid:2013948; rev:5; metadata:created_at 2011_11_23, signature_severity Major, updated_at 2024_02_15;)