alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"GPL IMAP find overflow attempt"; flow:established,to_server; content:"FIND"; nocase; isdataat:100,relative; pcre:"/\sFIND\s[^\n]{100}/smi"; reference:bugtraq,1110; reference:cve,2000-0284; reference:nessus,10374; classtype:misc-attack; sid:2101904; rev:8; metadata:created_at 2010_09_23, cve CVE_2000_0284, confidence Medium, signature_severity Major, updated_at 2019_07_26;)