1 files changed, 91 insertions, 0 deletions
diff --git a/scripts/iscsi-brute.nse b/scripts/iscsi-brute.nse
new file mode 100644
index 0000000..97a7312
--- /dev/null
+++ b/scripts/iscsi-brute.nse
@@ -0,0 +1,91 @@
+local brute = require "brute"
+local creds = require "creds"
+local iscsi = require "iscsi"
+local shortport = require "shortport"
+local stdnse = require "stdnse"
+
+description = [[
+Performs brute force password auditing against iSCSI targets.
+]]
+
+---
+-- @args iscsi-brute.target iSCSI target to brute-force.
+-- @output
+-- PORT     STATE SERVICE
+-- 3260/tcp open  iscsi   syn-ack
+-- | iscsi-brute:
+-- |   Accounts
+-- |     user:password123456 => Valid credentials
+-- |   Statistics
+-- |_    Perfomed 5000 guesses in 7 seconds, average tps: 714
+
+-- Version 0.1
+-- Created 2010/11/18 - v0.1 - created by Patrik Karlsson <patrik@cqure.net>
+-- Revised 2010/11/27 - v0.2 - detect if no password is needed <patrik@cqure.net>
+
+
+author = "Patrik Karlsson"
+license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
+categories = {"intrusive", "brute"}
+
+portrule = shortport.portnumber(3260, "tcp", {"open", "open|filtered"})
+
+Driver = {
+
+  new = function(self, host, port)
+    local o = {}
+    setmetatable(o, self)
+    self.__index = self
+    o.host = host
+    o.port = port
+    o.target = stdnse.get_script_args('iscsi-brute.target')
+    return o
+  end,
+
+  connect = function( self )
+    self.helper = iscsi.Helper:new( self.host, self.port )
+    return self.helper:connect(brute.new_socket())
+  end,
+
+  login = function( self, username, password )
+    local status = self.helper:login( self.target, username, password, "CHAP")
+
+    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 )
+    self.helper:close()
+  end,
+}
+
+
+action = function( host, port )
+
+  local target = stdnse.get_script_args('iscsi-brute.target')
+  if ( not(target) ) then
+    return stdnse.format_output(false, "No target specified (see iscsi-brute.target)")
+  end
+
+  local helper = iscsi.Helper:new( host, port )
+  local status, err = helper:connect()
+  if ( not(status) ) then return false, "Failed to connect" end
+
+  local response
+  status, response = helper:login( target )
+  helper:logout()
+  helper:close()
+
+  if ( status ) then return "No authentication required" end
+
+  local accounts
+
+  local engine = brute.Engine:new(Driver, host, port)
+  engine.options.script_name = SCRIPT_NAME
+  status, accounts = engine:start()
+
+  if ( status ) then return accounts end
+end