alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT M3U File Request Flowbit Set"; flow:established,to_server; flowbits:set,ET.m3u.download; flowbits:noalert; http.method; content:"GET"; http.uri; content:".m3u"; fast_pattern; classtype:not-suspicious; sid:2011241; rev:5; metadata:created_at 2010_07_30, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_17;)