alert tcp $EXTERNAL_NET any -> $HOME_NET 110 (msg:"GPL POP3 x86 BSD overflow"; flow:to_server,established; content:"^|0E|1|C0 B0 3B 8D|~|0E 89 FA 89 F9|"; reference:bugtraq,133; reference:cve,1999-0006; reference:nessus,10196; classtype:attempted-admin; sid:2100286; rev:13; metadata:created_at 2010_09_23, signature_severity Major, updated_at 2019_07_26;)