Simple Ruby POP3 Fuzzer

pop3-pass-fuzz.rb

#!/usr/bin/ruby
# ELELOYA
# Simple POP3 Fuzzer
require 'socket'

host = ARGV[0] || "127.0.0.1"
port = ARGV[1] || 110

buffer = ["A"]

(1..29).each do |counter|
  buffer << "A"*(counter*100)
end

#Currently fuzzes only the pass parameter
buffer.each do |string|
  puts "Fuzzing PASSS with %s bytes" % string.length
  s = TCPSocket.open host, port
  s.recv 1024
  s.send "USER test\r\n", 0
  s.recv 1024
  s.send "PASS %s\r\n" % string, 0
  s.send "QUIT\r\n", 0
  s.close
  sleep 0.5
end