alert udp $EXTERNAL_NET any -> $HOME_NET 69 (msg:"ET TFTP TFTPGUI Long Transport Mode Buffer Overflow"; content:"|00 02|"; depth:2; content:"|00|"; within:50; content:!"|00|"; within:9; reference:url,www.exploit-db.com/exploits/12482/; reference:url,packetstormsecurity.org/files/view/96395/tftputilgui-dos.rb.txt; reference:url,securityfocus.com/bid/39872/; classtype:attempted-dos; sid:2012051; rev:3; metadata:created_at 2010_12_14, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_20;)