alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"GPL IMAP create buffer overflow attempt"; flow:to_server,established; content:"CREATE"; isdataat:1024,relative; pcre:"/\sCREATE\s[^\n]{1024}/smi"; reference:bugtraq,7446; classtype:misc-attack; sid:2102107; rev:4; metadata:created_at 2010_09_23, confidence High, signature_severity Major, updated_at 2019_07_26;)