metasploit-framework/lib/msf/core/auxiliary/cisco.rb

392 lines
13 KiB
Ruby

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