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metasploit-framework
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Better check method 

git-svn-id: file:///home/svn/framework3/trunk@5605 4d416f70-5f16-0410-b530-b9f4589650da
unstable
HD Moore 2008-07-26 21:09:36 +00:00
parent bd7e616fe3
commit a531785372
2 changed files with 53 additions and 21 deletions
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34
modules/auxiliary/spoof/dns/bailiwicked_domain.rb
View File

@ -87,10 +87,11 @@ class Auxiliary::Spoof::Dns::BailiWickedDomain < Msf::Auxiliary
)
random = false
ports = []
ports = {}
lport = nil
reps = 0
1.upto(5) do |i|
1.upto(30) do |i|
req = Resolv::DNS::Message.new
txt = "spoofprobe-check-#{i}-#{$$}#{(rand()*1000000).to_i}.red.metasploit.com"
@ -98,10 +99,11 @@ class Auxiliary::Spoof::Dns::BailiWickedDomain < Msf::Auxiliary
req.rd = 1
srv_sock.put(req.encode)
res, addr = srv_sock.recvfrom()
res, addr = srv_sock.recvfrom(65535, 1.0)
if res and res.length > 0
reps += 1
res = Resolv::DNS::Message.decode(res)
res.each_answer do |name, ttl, data|
if (name.to_s == txt and data.strings.join('') =~ /^([^\s]+)\s+.*red\.metasploit\.com/m)
@ -113,24 +115,38 @@ class Auxiliary::Spoof::Dns::BailiWickedDomain < Msf::Auxiliary
random = true
end
lport = t_port
ports << t_port
ports[t_port] ||=0
ports[t_port] +=1
end
end
end
if(i>5 and ports.keys.length == 0)
break
end
end
srv_sock.close
if(ports.length < 5)
print_status("UNKNOWN: This server did not reply to our vulnerability check requests")
if(ports.keys.length == 0)
print_status("ERROR: This server is not replying to recursive requests")
return
end
if(reps < 30)
print_status("WARNING: This server did not reply to all of our requests")
end
if(random)
print_status("PASS: This server does not use a static source port. Ports: #{ports.join(", ")}")
print_status(" This server may still be exploitable, but not by this tool.")
ports_u = ports.keys.length
ports_r = ((ports.keys.length/30.0)*100).to_i
print_status("PASS: This server does not use a static source port. Randomness: #{ports_u}/30 %#{ports_r}")
if(ports_r != 100)
print_status("INFO: This server's source ports are not really random and may still be exploitable, but not by this tool.")
end
else
print_status("FAIL: This server uses static source ports and is vulnerable to poisoning")
print_status("FAIL: This server uses a static source port and is vulnerable to poisoning")
end
end

34
modules/auxiliary/spoof/dns/bailiwicked_host.rb
View File

@ -81,10 +81,11 @@ class Auxiliary::Spoof::Dns::BailiWickedHost < Msf::Auxiliary
)
random = false
ports = []
ports = {}
lport = nil
reps = 0
1.upto(5) do |i|
1.upto(30) do |i|
req = Resolv::DNS::Message.new
txt = "spoofprobe-check-#{i}-#{$$}#{(rand()*1000000).to_i}.red.metasploit.com"
@ -92,10 +93,11 @@ class Auxiliary::Spoof::Dns::BailiWickedHost < Msf::Auxiliary
req.rd = 1
srv_sock.put(req.encode)
res, addr = srv_sock.recvfrom()
res, addr = srv_sock.recvfrom(65535, 1.0)
if res and res.length > 0
reps += 1
res = Resolv::DNS::Message.decode(res)
res.each_answer do |name, ttl, data|
if (name.to_s == txt and data.strings.join('') =~ /^([^\s]+)\s+.*red\.metasploit\.com/m)
@ -107,24 +109,38 @@ class Auxiliary::Spoof::Dns::BailiWickedHost < Msf::Auxiliary
random = true
end
lport = t_port
ports << t_port
ports[t_port] ||=0
ports[t_port] +=1
end
end
end
if(i>5 and ports.keys.length == 0)
break
end
end
srv_sock.close
if(ports.length < 5)
print_status("UNKNOWN: This server did not reply to our vulnerability check requests")
if(ports.keys.length == 0)
print_status("ERROR: This server is not replying to recursive requests")
return
end
if(reps < 30)
print_status("WARNING: This server did not reply to all of our requests")
end
if(random)
print_status("PASS: This server does not use a static source port. Ports: #{ports.join(", ")}")
print_status(" This server may still be exploitable, but not by this tool.")
ports_u = ports.keys.length
ports_r = ((ports.keys.length/30.0)*100).to_i
print_status("PASS: This server does not use a static source port. Randomness: #{ports_u}/30 %#{ports_r}")
if(ports_r != 100)
print_status("INFO: This server's source ports are not really random and may still be exploitable, but not by this tool.")
end
else
print_status("FAIL: This server uses static source ports and is vulnerable to poisoning")
print_status("FAIL: This server uses a static source port and is vulnerable to poisoning")
end
end