alert tcp $HOME_NET any -> $EXTERNAL_NET 6666:7000 (msg:"GPL CHAT IRC DCC file transfer request"; flow:established,to_server; flowbits:set,is_proto_irc; content:"PRIVMSG "; depth:8; nocase; content:" |3A|.DCC SEND"; nocase; classtype:policy-violation; sid:2101639; rev:13; metadata:created_at 2010_09_23, signature_severity Informational, updated_at 2024_03_14;)