355 lines
11 KiB
Ruby
355 lines
11 KiB
Ruby
module Msf
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###
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#
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# This module provides methods for working with Cisco equipment
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#
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###
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module Auxiliary::Cisco
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include Msf::Auxiliary::Report
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def cisco_ios_decrypt7(inp)
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xlat = [
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0x64, 0x73, 0x66, 0x64, 0x3b, 0x6b, 0x66, 0x6f,
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0x41, 0x2c, 0x2e, 0x69, 0x79, 0x65, 0x77, 0x72,
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0x6b, 0x6c, 0x64, 0x4a, 0x4b, 0x44, 0x48, 0x53,
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0x55, 0x42
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]
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return nil if not inp[0,2] =~ /\d\d/
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seed = nil
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clear = ""
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inp.scan(/../).each do |byte|
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if not seed
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seed = byte.to_i
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next
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end
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byte = byte.to_i(16)
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clear << [ byte ^ xlat[ seed ]].pack("C")
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seed += 1
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end
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clear
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end
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def cisco_ios_config_eater(thost, tport, config)
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#
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# Create a template hash for cred reporting
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#
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cred_info = {
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:host => thost,
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:port => tport,
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:user => "",
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:pass => "",
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:type => "",
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:collect_type => "",
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:active => true
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}
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# Default SNMP to UDP
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if tport == 161
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cred_info[:proto] = 'udp'
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end
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store_loot("cisco.ios.config", "text/plain", thost, config.strip, "config.txt", "Cisco IOS Configuration")
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config.each_line do |line|
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case line
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#
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# Enable passwords
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#
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when /^\s*enable (password|secret) (\d+) (.*)/i
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stype = $2.to_i
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shash = $3.strip
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if stype == 5
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print_good("#{thost}:#{tport} MD5 Encrypted Enable Password: #{shash}")
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store_loot("cisco.ios.enable_hash", "text/plain", thost, shash, "enable_password_hash.txt", "Cisco IOS Enable Password Hash (MD5)")
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end
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if stype == 0
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print_good("#{thost}:#{tport} Enable Password: #{shash}")
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store_loot("cisco.ios.enable_pass", "text/plain", thost, shash, "enable_password.txt", "Cisco IOS Enable Password")
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cred = cred_info.dup
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cred[:pass] = shash
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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if stype == 7
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shash = cisco_ios_decrypt7(shash) rescue shash
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print_good("#{thost}:#{tport} Decrypted Enable Password: #{shash}")
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store_loot("cisco.ios.enable_pass", "text/plain", thost, shash, "enable_password.txt", "Cisco IOS Enable Password")
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cred = cred_info.dup
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cred[:pass] = shash
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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when /^\s*enable password (.*)/i
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spass = $1.strip
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print_good("#{thost}:#{tport} Unencrypted Enable Password: #{spass}")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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#
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# SNMP
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#
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when /^\s*snmp-server community ([^\s]+) (RO|RW)/i
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stype = $2.strip
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scomm = $1.strip
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print_good("#{thost}:#{tport} SNMP Community (#{stype}): #{scomm}")
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if stype.downcase == "ro"
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ptype = "password_ro"
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else
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ptype = "password"
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end
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cred = cred_info.dup
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cred[:sname] = "snmp"
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cred[:pass] = scomm
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cred[:type] = ptype
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cred[:collect_type] = ptype
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cred[:proto] = "udp"
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cred[:port] = 161
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store_cred(cred)
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#
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# VTY Passwords
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#
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when /^\s*password 7 ([^\s]+)/i
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spass = $1.strip
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spass = cisco_ios_decrypt7(spass) rescue spass
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print_good("#{thost}:#{tport} Decrypted VTY Password: #{spass}")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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when /^\s*(password|secret) 5 (.*)/i
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shash = $1.strip
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print_good("#{thost}:#{tport} MD5 Encrypted VTY Password: #{shash}")
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store_loot("cisco.ios.vty_password", "text/plain", thost, shash, "vty_password_hash.txt", "Cisco IOS VTY Password Hash (MD5)")
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when /^\s*password (0 |)([^\s]+)/i
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spass = $2.strip
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print_good("#{thost}:#{tport} Unencrypted VTY Password: #{spass}")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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#
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# WiFi Passwords
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#
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when /^\s*encryption key \d+ size \d+bit (\d+) ([^\s]+)/
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spass = $2.strip
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print_good("#{thost}:#{tport} Wireless WEP Key: #{spass}")
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store_loot("cisco.ios.wireless_wep", "text/plain", thost, spass, "wireless_wep.txt", "Cisco IOS Wireless WEP Key")
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when /^\s*wpa-psk (ascii|hex) (\d+) ([^\s]+)/i
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stype = $2.to_i
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spass = $3.strip
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if stype == 5
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print_good("#{thost}:#{tport} Wireless WPA-PSK MD5 Password Hash: #{spass}")
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store_loot("cisco.ios.wireless_wpapsk_hash", "text/plain", thost, spass, "wireless_wpapsk_hash.txt", "Cisco IOS Wireless WPA-PSK Password Hash (MD5)")
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end
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if stype == 0
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print_good("#{thost}:#{tport} Wireless WPA-PSK Password: #{spass}")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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store_loot("cisco.ios.wireless_wpapsk", "text/plain", thost, spass, "wireless_wpapsk.txt", "Cisco IOS Wireless WPA-PSK Password")
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end
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if stype == 7
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spass = cisco_ios_decrypt7(spass) rescue spass
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print_good("#{thost}:#{tport} Wireless WPA-PSK Decrypted Password: #{spass}")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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store_loot("cisco.ios.wireless_wpapsk", "text/plain", thost, spass, "wireless_wpapsk.txt", "Cisco IOS Wireless WPA-PSK Decrypted Password")
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end
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#
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# VPN Passwords
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#
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when /^\s*crypto isakmp key ([^\s]+) address ([^\s]+)/i
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spass = $1
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shost = $2
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print_good("#{thost}:#{tport} VPN IPSEC ISAKMP Key '#{spass}' Host '#{shost}'")
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store_loot("cisco.ios.vpn_ipsec_key", "text/plain", thost, "#{spass}", "vpn_ipsec_key.txt", "Cisco VPN IPSEC Key")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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when /^\s*interface tunnel(\d+)/i
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$tuniface = $1
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when /^\s*tunnel key ([^\s]+)/i
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spass = $1
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siface = $tuniface
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print_good("#{thost}:#{tport} GRE Tunnel Key #{spass} for Interface Tunnel #{siface}")
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store_loot("cisco.ios.gre_tunnel_key", "text/plain", thost, "tunnel#{siface}_#{spass}", "gre_tunnel_key.txt", "Cisco GRE Tunnel Key")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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when /^\s*ip nhrp authentication ([^\s]+)/i
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spass = $1
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siface = $tuniface
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print_good("#{thost}:#{tport} NHRP Authentication Key #{spass} for Interface Tunnel #{siface}")
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store_loot("cisco.ios.nhrp_tunnel_key", "text/plain", thost, "tunnel#{siface}_#{spass}", "nhrp_tunnel_key.txt", "Cisco NHRP Authentication Key")
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cred = cred_info.dup
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cred[:pass] = spass
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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#
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# Various authentication secretss
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#
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when /^\s*username ([^\s]+) privilege (\d+) (secret|password) (\d+) ([^\s]+)/i
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user = $1
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priv = $2
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stype = $4.to_i
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shash = $5
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if stype == 5
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print_good("#{thost}:#{tport} Username '#{user}' with MD5 Encrypted Password: #{shash}")
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store_loot("cisco.ios.username_password_hash", "text/plain", thost, "#{user}_level#{priv}:#{shash}", "username_password_hash.txt", "Cisco IOS Username and Password Hash (MD5)")
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end
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if stype == 0
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print_good("#{thost}:#{tport} Username '#{user}' with Password: #{shash}")
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store_loot("cisco.ios.username_password", "text/plain", thost, "#{user}_level#{priv}:#{shash}", "username_password.txt", "Cisco IOS Username and Password")
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cred = cred_info.dup
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cred[:user] = user
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cred[:pass] = shash
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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if stype == 7
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shash = cisco_ios_decrypt7(shash) rescue shash
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print_good("#{thost}:#{tport} Username '#{user}' with Decrypted Password: #{shash}")
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store_loot("cisco.ios.username_password", "text/plain", thost, "#{user}_level#{priv}:#{shash}", "username_password.txt", "Cisco IOS Username and Password")
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cred = cred_info.dup
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cred[:user] = user
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cred[:pass] = shash
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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when /^\s*ppp.*username ([^\s]+) (secret|password) (\d+) ([^\s]+)/i
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suser = $1
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stype = $3.to_i
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shash = $4
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if stype == 5
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print_good("#{thost}:#{tport} PPP Username #{suser} MD5 Encrypted Password: #{shash}")
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store_loot("cisco.ios.ppp_username_password_hash", "text/plain", thost, "#{suser}:#{shash}", "ppp_username_password_hash.txt", "Cisco IOS PPP Username and Password Hash (MD5)")
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end
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if stype == 0
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print_good("#{thost}:#{tport} PPP Username: #{suser} Password: #{shash}")
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store_loot("cisco.ios.ppp_username_password", "text/plain", thost, "#{suser}:#{shash}", "ppp_username_password.txt", "Cisco IOS PPP Username and Password")
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cred = cred_info.dup
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cred[:pass] = shash
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cred[:user] = suser
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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if stype == 7
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shash = cisco_ios_decrypt7(shash) rescue shash
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print_good("#{thost}:#{tport} PPP Username: #{suser} Decrypted Password: #{shash}")
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store_loot("cisco.ios.ppp_username_password", "text/plain", thost, "#{suser}:#{shash}", "ppp_username_password.txt", "Cisco IOS PPP Username and Password")
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cred = cred_info.dup
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cred[:pass] = shash
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cred[:user] = suser
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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when /^\s*ppp chap (secret|password) (\d+) ([^\s]+)/i
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stype = $2.to_i
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shash = $3
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if stype == 5
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print_good("#{thost}:#{tport} PPP CHAP MD5 Encrypted Password: #{shash}")
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store_loot("cisco.ios.ppp_password_hash", "text/plain", thost, shash, "ppp_password_hash.txt", "Cisco IOS PPP Password Hash (MD5)")
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end
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if stype == 0
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print_good("#{thost}:#{tport} Password: #{shash}")
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store_loot("cisco.ios.ppp_password", "text/plain", thost, shash, "ppp_password.txt", "Cisco IOS PPP Password")
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cred = cred_info.dup
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cred[:pass] = shash
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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if stype == 7
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shash = cisco_ios_decrypt7(shash) rescue shash
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print_good("#{thost}:#{tport} PPP Decrypted Password: #{shash}")
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store_loot("cisco.ios.ppp_password", "text/plain", thost, shash, "ppp_password.txt", "Cisco IOS PPP Password")
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cred = cred_info.dup
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cred[:pass] = shash
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cred[:type] = "password"
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cred[:collect_type] = "password"
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store_cred(cred)
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end
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end
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end
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end
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end
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end
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