alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"GPL IMAP lsub overflow attempt"; flow:established,to_server; content:"LSUB"; isdataat:100,relative; pcre:"/\sLSUB\s[^\n]{100}/smi"; reference:bugtraq,1110; reference:cve,2000-0284; reference:nessus,10374; classtype:misc-attack; sid:2102106; rev:9; metadata:created_at 2010_09_23, confidence Medium, signature_severity Minor, updated_at 2024_03_08;)