1 files changed, 94 insertions, 0 deletions
diff --git a/scripts/rpcap-brute.nse b/scripts/rpcap-brute.nse
new file mode 100644
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+++ b/scripts/rpcap-brute.nse
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+local brute = require "brute"
+local creds = require "creds"
+local rpcap = require "rpcap"
+local shortport = require "shortport"
+
+description = [[
+Performs brute force password auditing against the WinPcap Remote Capture
+Daemon (rpcap).
+]]
+
+---
+-- @usage
+-- nmap -p 2002 <ip> --script rpcap-brute
+--
+-- @output
+-- PORT     STATE SERVICE REASON
+-- 2002/tcp open  globe   syn-ack
+-- | rpcap-brute:
+-- |   Accounts
+-- |     monkey:Password1 - Valid credentials
+-- |   Statistics
+-- |_    Performed 3540 guesses in 3 seconds, average tps: 1180
+--
+--
+
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
+categories = {"intrusive", "brute"}
+
+portrule = shortport.port_or_service(2002, "rpcap", "tcp")
+
+Driver = {
+
+  new = function(self, host, port)
+    local o = { helper = rpcap.Helper:new(host, port, brute.new_socket()) }
+    setmetatable(o, self)
+    self.__index = self
+    return o
+  end,
+
+  connect = function(self)
+    return self.helper:connect()
+  end,
+
+  login = function(self, username, password)
+    local status, resp = self.helper:login(username, password)
+    if ( status ) then
+      return true, creds.Account:new(username, password, creds.State.VALID)
+    end
+    return false, brute.Error:new( "Incorrect password" )
+  end,
+
+  disconnect = function(self)
+    return self.helper:close()
+  end,
+
+}
+
+local function validateAuth(host, port)
+  local helper = rpcap.Helper:new(host, port)
+  local status, result = helper:connect()
+  if ( not(status) ) then
+    return false, result
+  end
+  status, result = helper:login()
+  helper:close()
+
+  if ( status ) then
+    return false, "Authentication not required"
+  elseif ( not(status) and
+    "Authentication failed; NULL authentication not permitted." == result ) then
+    return true
+  end
+  return status, result
+end
+
+action = function(host, port)
+
+  local status, result = validateAuth(host, port)
+  if ( not(status) ) then
+    return result
+  end
+
+  local engine = brute.Engine:new(Driver, host, port )
+
+  engine.options.script_name = SCRIPT_NAME
+  engine.options.firstonly = true
+  status, result = engine:start()
+
+  return result
+end
+
+