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Add cassandra scripts from Vlatko Kosturjak.
This commit is contained in:
david
@@ -1,5 +1,8 @@
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# Nmap Changelog ($Id$); -*-text-*-
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o [NSE] Added cassandra-brute and cassandra-info by Vlatko Kosturjak,
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scripts for the Apache Cassandra database.
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o [NSE] Added ipv6-ra-flood script by Adam Števko. This script sends a
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flood of router advertisements, which can DoS certain operating
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systems including Windows.
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210
nselib/cassandra.lua
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210
nselib/cassandra.lua
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@@ -0,0 +1,210 @@
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---
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-- Library methods for handling Cassandra Thrift communication as client
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--
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-- @author Vlatko Kosturjak
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-- @copyright Same as Nmap--See http://nmap.org/book/man-legal.html
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--
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-- Version 0.1
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--
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local bin = require "bin"
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local nmap = require "nmap"
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local stdnse = require "stdnse"
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local string = require "string"
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local table = require "table"
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_ENV = stdnse.module("cassandra", stdnse.seeall)
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--[[
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Cassandra Thrift protocol implementation.
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For more information about Cassandra, see:
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http://cassandra.apache.org/
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]]--
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-- Protocol magic strings
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CASSANDRAREQ = string.char(0x80,0x01,0x00,0x01)
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CASSANDRARESP = string.char(0x80,0x01,0x00,0x02)
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CASSLOGINMAGIC = string.char(0x00, 0x00,0x00,0x01,0x0c,0x00,0x01,0x0d,0x00,0x01,0x0b,0x0b,0x00,0x00,0x00,0x02)
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LOGINSUCC = string.char(0x00,0x00,0x00,0x01,0x00)
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LOGINFAIL = string.char(0x00,0x00,0x00,0x01,0x0b)
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LOGINACC = string.char(0x00,0x00,0x00,0x01,0x0c)
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--Returns string in format length+string itself
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--@param str to format
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--@return str : string in format length+string itself
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function pack4str (str)
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return (bin.pack(">I",string.len(str)) .. str)
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end
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--Returns string in cassandra format for login
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--@param username to put in format
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--@param password to put in format
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--@return str : string in cassandra format for login
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function loginstr (username, password)
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local str = CASSANDRAREQ .. pack4str ("login")
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str = str .. CASSLOGINMAGIC
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str = str .. pack4str("username")
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str = str .. pack4str(username)
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str = str .. pack4str("password")
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str = str .. pack4str(password)
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str = str .. string.char (0x00, 0x00) -- add two null on the end
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return str
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end
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--Invokes command over socket and returns the response
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--@param socket to connect to
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--@param command to invoke
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--@param cnt is protocol count
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--@return status : true if ok; false if bad
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--@return result : value if status ok, error msg if bad
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function cmdstr (command,cnt)
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local str = CASSANDRAREQ .. pack4str (command)
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str = str .. bin.pack(">I",cnt)
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str = str .. string.char (0x00) -- add null on the end
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return str
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end
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--Invokes command over socket and returns the response
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--@param socket to connect to
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--@param command to invoke
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--@param cnt is protocol count
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--@return status : true if ok; false if bad
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--@return result : value if status ok, error msg if bad
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function sendcmd (socket, command, cnt)
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local cmdstr = cmdstr (command,cnt)
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local response
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local status, err = socket:send(bin.pack(">I",string.len(cmdstr)))
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if ( not(status) ) then
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return false, "error sending packet length"
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end
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status, err = socket:send(cmdstr)
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if ( not(status) ) then
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return false, "error sending packet payload"
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end
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status, response = socket:receive_bytes(4)
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if ( not(status) ) then
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return false, "error receiving length"
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end
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_,size = bin.unpack(">I",response,1)
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if (string.len(response) < size+4 ) then
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status, resp2 = socket:receive_bytes(size+4 - string.len(response))
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if ( not(status) ) then
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return false, "error receiving payload"
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end
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response = response .. resp2
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end
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-- magic response starts at 5th byte for 4 bytes, 4 byte for length + length of string commmand
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if (string.sub(response,5,8+4+string.len(command)) ~= CASSANDRARESP..pack4str(command)) then
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return false, "protocol response error"
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end
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return true, response
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end
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--Return Cluster Name
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--@param socket to connect to
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--@param cnt is protocol count
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--@return status : true if ok; false if bad
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--@return result : value if status ok, error msg if bad
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function describe_cluster_name (socket,cnt)
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local cname = "describe_cluster_name"
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local size
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local status,resp = sendcmd(socket,cname,cnt)
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if (not(status)) then
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stdnse.print_debug(1, "sendcmd"..resp)
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return false, "error in communication"
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end
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-- grab the size
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-- pktlen(4) + CASSANDRARESP(4) + lencmd(4) + lencmd(v) + params(7) + next byte position
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position = 12+string.len(cname)+7+1
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_,size = bin.unpack(">I",resp,position)
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-- read the string after the size
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local value = string.sub(resp,position+4,position+4+size-1)
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return true, value
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end
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--Return API version
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--@param socket to connect to
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--@param cnt is protocol count
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--@return status : true if ok; false if bad
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--@return result : value if status ok, error msg if bad
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function describe_version (socket,cnt)
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local cname = "describe_version"
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local size
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local status,resp = sendcmd(socket,cname,cnt)
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if (not(status)) then
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stdnse.print_debug(1, "sendcmd"..resp)
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return false, "error in communication"
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end
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-- grab the size
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-- pktlen(4) + CASSANDRARESP(4) + lencmd(4) + lencmd(v) + params(7) + next byte position
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position = 12+string.len(cname)+7+1
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_,size = bin.unpack(">I",resp,position)
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-- read the string after the size
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local value = string.sub(resp,position+4,position+4+size-1)
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return true, value
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end
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--Login to Cassandra
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--@param socket to connect to
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--@param username to connect to
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--@param password to connect to
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--@return status : true if ok; false if bad
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--@return result : table of status ok, error msg if bad
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--@return if status ok : remaining data read from socket but not used
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function login (socket,username,password)
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local loginstr = loginstr (username, password)
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local combo = username..":"..password
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local status, err = socket:send(bin.pack(">I",string.len(loginstr)))
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if ( not(status) ) then
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stdnse.print_debug(3, "cannot send len "..combo)
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return false, "Failed to connect to server"
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end
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status, err = socket:send(loginstr)
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if ( not(status) ) then
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stdnse.print_debug(3, "Sent packet for "..combo)
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return false, err
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end
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status, response = socket:receive_bytes(22)
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if ( not(status) ) then
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stdnse.print_debug(3, "Receive packet for "..combo)
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return false, err
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end
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_, size = bin.unpack(">I", response, 1)
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loginresp = string.sub(response,5,17)
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if (loginresp ~= CASSANDRARESP..pack4str("login")) then
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return false, "protocol error"
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end
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magic = string.sub(response,18,22)
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stdnse.print_debug(3, "packet for "..combo)
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stdnse.print_debug(3, "packet hex: %s", stdnse.tohex(response) )
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stdnse.print_debug(3, "size packet hex: %s", stdnse.tohex(size) )
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stdnse.print_debug(3, "magic packet hex: %s", stdnse.tohex(magic) )
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if (magic == LOGINSUCC) then
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return true
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else
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return false, "Login failed."
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end
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end
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return _ENV;
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131
scripts/cassandra-brute.nse
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131
scripts/cassandra-brute.nse
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@@ -0,0 +1,131 @@
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local brute = require "brute"
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local creds = require "creds"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local stdnse = require "stdnse"
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local cassandra = require "cassandra"
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description = [[
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Performs brute force password auditing against the Cassandra database.
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For more information about Cassandra, see:
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http://cassandra.apache.org/
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]]
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---
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-- @usage
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-- nmap -p 9160 <ip> --script=cassandra-brute
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--
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-- @output
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-- PORT STATE SERVICE VERSION
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-- 9160/tcp open apani1?
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-- | cassandra-brute:
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-- | Accounts
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-- | admin:lover - Valid credentials
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-- | Statistics
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-- |_ Performed 4581 guesses in 1 seconds, average tps: 4581
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--
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author = "Vlatko Kosturjak"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"intrusive", "brute"}
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portrule = shortport.port_or_service({9160}, {"cassandra"})
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Driver = {
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new = function(self, host, port, options)
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local o = { host = host, port = port, socket = nmap.new_socket() }
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setmetatable(o, self)
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self.__index = self
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return o
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end,
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connect = function(self)
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return self.socket:connect(self.host, self.port)
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end,
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-- bit faster login function than in cassandra library (no protocol error checks)
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login = function(self, username, password)
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local response, magic, size
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local loginstr = cassandra.loginstr (username, password)
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local status, err = self.socket:send(bin.pack(">I",string.len(loginstr)))
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local combo = username..":"..password
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if ( not(status) ) then
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local err = brute.Error:new( "couldn't send length:"..combo )
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err:setAbort( true )
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return false, err
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end
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status, err = self.socket:send(loginstr)
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if ( not(status) ) then
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local err = brute.Error:new( "couldn't send login packet: "..combo )
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err:setAbort( true )
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return false, err
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end
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status, response = self.socket:receive_bytes(22)
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if ( not(status) ) then
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local err = brute.Error:new( "couldn't receive login reply size: "..combo )
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err:setAbort( true )
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return false, err
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end
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_, size = bin.unpack(">I", response, 1)
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magic = string.sub(response,18,22)
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if (magic == cassandra.LOGINSUCC) then
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stdnse.print_debug(3, "Account SUCCESS: "..combo)
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return true, brute.Account:new(username, password, creds.State.VALID)
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elseif (magic == cassandra.LOGINFAIL) then
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stdnse.print_debug(3,"Account FAIL: "..combo)
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return false, brute.Error:new( "Incorrect password" )
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elseif (magic == cassandra.LOGINACC) then
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stdnse.print_debug(3, "Account VALID, but wrong password: "..combo)
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return false, brute.Error:new( "Good user, bad password" )
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else
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stdnse.print_debug(3, "Unrecognized packet for "..combo)
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stdnse.print_debug(3, "packet hex: %s", stdnse.tohex(response) )
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stdnse.print_debug(3, "size packet hex: %s", stdnse.tohex(size) )
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stdnse.print_debug(3, "magic packet hex: %s", stdnse.tohex(magic) )
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local err = brute.Error:new( response )
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err:setRetry( true )
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return false, err
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end
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end,
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disconnect = function(self)
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return self.socket:close()
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end,
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}
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local function noAuth(host, port)
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local socket = nmap.new_socket()
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local status, result = socket:connect(host, port)
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local stat,err = cassandra.login (socket,"default","")
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socket:close()
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if (stat) then
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return true
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else
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return false
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end
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end
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action = function(host, port)
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if ( noAuth(host, port) ) then
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return "Any username and password would do, 'default' was used to test."
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end
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local engine = brute.Engine:new(Driver, host, port )
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engine.options.script_name = SCRIPT_NAME
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engine.options.firstonly = true
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local status, result = engine:start()
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return result
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end
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93
scripts/cassandra-info.nse
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93
scripts/cassandra-info.nse
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@@ -0,0 +1,93 @@
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local creds = require "creds"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local stdnse = require "stdnse"
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local bin = require "bin"
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local string = require "string"
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local cassandra = stdnse.silent_require "cassandra"
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description = [[
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Attempts to get basic info and server status from a Cassandra database.
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For more information about Cassandra, see:
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http://cassandra.apache.org/
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]]
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---
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-- @usage
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-- nmap -p 9160 <ip> --script=cassandra-info
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--
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-- @output
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-- PORT STATE SERVICE REASON
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-- 9160/tcp open cassandra syn-ack
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-- | cassandra-info:
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-- | Cluster name: Test Cluster
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-- |_ Version: 19.10.0
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--
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-- version 0.1
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-- Created 14/09/2012 - v0.1 - created by Vlatko Kosturjak <kost@linux.hr>
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author = "Vlatko Kosturjak"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"default", "discovery", "safe"}
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dependencies = {"cassandra-brute"}
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portrule = shortport.port_or_service({9160}, {"cassandra"})
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function action(host,port)
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local socket = nmap.new_socket()
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local cassinc = 2 -- cmd/resp starts at 2
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-- set a reasonable timeout value
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socket:set_timeout(10000)
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-- do some exception / cleanup
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local catch = function()
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socket:close()
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end
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local try = nmap.new_try(catch)
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try( socket:connect(host, port) )
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local results = {}
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-- uglyness to allow creds.cassandra to work, as the port is not recognized
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-- as cassandra even when service scan was run, taken from mongodb
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local ps = port.service
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port.service = 'cassandra'
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local c = creds.Credentials:new(creds.ALL_DATA, host, port)
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for cred in c:getCredentials(creds.State.VALID + creds.State.PARAM) do
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local status, err = cassandra.login(socket, cred.user, cred.pass)
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table.insert(results, ("Using credentials: %s"):format(cred.user.."/"..cred.pass))
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if ( not(status) ) then
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return err
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end
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end
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port.service = ps
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local status, val = cassandra.describe_cluster_name(socket,cassinc)
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if (not(status)) then
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return "Error getting cluster name: " .. val
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end
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cassinc = cassinc + 1
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port.version.name ='cassandra'
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port.version.product='Cassandra'
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port.version.name_confidence = 100
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nmap.set_port_version(host,port)
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table.insert(results, ("Cluster name: %s"):format(val))
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local status, val = cassandra.describe_version(socket,cassinc)
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if (not(status)) then
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return "Error getting version: " .. val
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end
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cassinc = cassinc + 1
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port.version.product='Cassandra ('..val..')'
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nmap.set_port_version(host,port)
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table.insert(results, ("Version: %s"):format(val))
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return stdnse.format_output(true, results)
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end
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@@ -52,6 +52,8 @@ Entry { filename = "broadcast-wake-on-lan.nse", categories = { "broadcast", "saf
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Entry { filename = "broadcast-wpad-discover.nse", categories = { "broadcast", "safe", } }
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Entry { filename = "broadcast-wsdd-discover.nse", categories = { "broadcast", "safe", } }
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Entry { filename = "broadcast-xdmcp-discover.nse", categories = { "broadcast", "safe", } }
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Entry { filename = "cassandra-brute.nse", categories = { "brute", "intrusive", } }
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Entry { filename = "cassandra-info.nse", categories = { "default", "discovery", "safe", } }
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Entry { filename = "cccam-version.nse", categories = { "version", } }
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Entry { filename = "citrix-brute-xml.nse", categories = { "auth", "intrusive", } }
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Entry { filename = "citrix-enum-apps-xml.nse", categories = { "discovery", "safe", } }
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||||
Reference in New Issue
Block a user