alert tcp $EXTERNAL_NET any -> $HOME_NET 143 (msg:"GPL DELETED auth literal overflow attempt"; flow:established,to_server; content:"AUTH"; nocase; pcre:"/({(?=\d+}[^\n]*?\sAUTH)|AUTH\s[^\n]*?{(?=\d+}))/smi"; byte_test:5,>,256,0,string,dec,relative; reference:cve,1999-0005; classtype:misc-attack; sid:2101930; rev:7; metadata:created_at 2010_09_23, signature_severity Unknown, updated_at 2019_07_26;)