Sagan high stable other

[VSFTPD] Login failed - Brute force [5/5]

[VSFTPD] Login failed - Brute force [5/5]

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Detection Logic

drop any $EXTERNAL_NET any -> $HOME_NET any (msg:"[VSFTPD] Login failed - Brute force [5/5]"; content: "FAIL LOGIN"; default_proto:tcp; default_dst_port: $FTP_PORT; classtype: brute-force; program: vsftpd; after: track by_src, count 5, seconds 300; threshold: type suppress, track by_src, count 5, seconds 300; xbits: set,brute_force,track ip_src, expire 21600; sid: 5000196; rev:9;)

Field Validations

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