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--- | ||
:mock: none | ||
:script: jquery | ||
:stylesheet: sass | ||
:renderer: haml | ||
:test: none | ||
:orm: sequel |
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Gemfile.lock | ||
log/**/* | ||
tmp/**/* | ||
.sass-cache/* |
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source :rubygems | ||
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gem 'rake' | ||
gem 'sass' | ||
gem 'haml' | ||
gem 'padrino', '0.10.5' | ||
gem 'json' | ||
gem 'rkelly', '1.0.4' | ||
gem 'therubyracer', '0.9.8' | ||
gem 'nokogiri' | ||
gem 'hexdump' |
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= JSDetox | ||
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JSDetox is a Javascript malware analysis tool using static | ||
analysis / deobfuscation techniques and an execution engine | ||
featuring HTML DOM emulation. | ||
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Please see doc/INSTALL for information on how to install JSDetox | ||
or visit http://relentless-coding.org/projects/jsdetox for more | ||
information on this tool. | ||
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= License | ||
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JSDetox is free software: you can redistribute it and/or modify | ||
it under the terms of the GNU General Public License version 2 | ||
as published by the Free Software Foundation. | ||
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This program is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU General Public License for more details. | ||
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You should have received a copy of the GNU General Public License | ||
along with this program. If not, see http://www.gnu.org/licenses/ |
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class JSDetoxWeb < Padrino::Application | ||
register SassInitializer | ||
register Padrino::Rendering | ||
register Padrino::Mailer | ||
register Padrino::Helpers | ||
register Padrino::Cache | ||
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use Rack::Session::Pool | ||
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get "/" do | ||
redirect url(:analysis, :index) | ||
end | ||
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end |
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JSDetoxWeb.controllers :analysis do | ||
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layout :analysis | ||
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get :index do | ||
@orig_code = session[:orig_code] | ||
@htmldoc = session[:htmldoc] | ||
@data_raw = session[:data_raw] | ||
render 'analysis/index' | ||
end | ||
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end |
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JSDetoxWeb.controllers :backend do | ||
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post :analyze, :provides => :json do | ||
if params[:code] | ||
orig_code = params[:code] | ||
new_varnames = params[:new_varnames] | ||
opts = params[:opts] || {} | ||
session[:orig_code] = orig_code | ||
framework = JSDetox::JSAnalyzer::Instance.new | ||
result = framework.analyze(orig_code, new_varnames, opts) | ||
if result | ||
return { | ||
:status => :ok, | ||
:code => result[:code], | ||
:varnames => result[:varnames], | ||
}.to_json | ||
else | ||
return { :status => :error }.to_json | ||
end | ||
end | ||
end | ||
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post :reformat, :provides => :json do | ||
if params[:code] | ||
orig_code = params[:code] | ||
session[:orig_code] = orig_code | ||
framework = JSDetox::JSAnalyzer::Instance.new | ||
result = framework.reformat(orig_code) | ||
if result | ||
{ | ||
:status => :ok, | ||
:code => result, | ||
}.to_json | ||
else | ||
return { :status => :error }.to_json | ||
end | ||
end | ||
end | ||
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post :execute, :provides => :json do | ||
if params[:code] | ||
session[:orig_code] = params[:code] | ||
htmldoc = session[:htmldoc] | ||
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engine = JSDetox::JSEngines::V8Engine::Instance.new | ||
res = engine.execute(params[:code], htmldoc) | ||
res.to_json | ||
end | ||
end | ||
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post :upload, :provides => :json do | ||
if htmldoc = params[:html_file] | ||
data = htmldoc[:tempfile].read | ||
session[:htmldoc] = data | ||
elsif jsdoc = params[:js_file] | ||
data = jsdoc[:tempfile].read | ||
session[:orig_code] = data | ||
elsif datadoc = params[:data_file] | ||
data = datadoc[:tempfile].read | ||
session[:data_raw] = data | ||
else | ||
return { :status => 'error' }.to_json | ||
end | ||
{ | ||
:status => 'ok', | ||
:raw => data, | ||
}.to_json | ||
end | ||
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post :store_html, :provides => :json do | ||
if params[:html] | ||
session[:htmldoc] = params[:html] | ||
return { :status => 'ok' }.to_json | ||
end | ||
end | ||
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post :data_analyze, :provides => :json do | ||
dump = "" | ||
action = params[:action] | ||
opts = params[:opts] | ||
if action && params[:data] | ||
case action | ||
when 'raw' | ||
data = params[:data] | ||
when 'hex' | ||
data = params[:data] | ||
data = data.scan(/[A-Fa-f0-9]{2}/).map(&:hex).pack("C*") | ||
when 'unicode' | ||
data = params[:data] | ||
data = data.scan(/%u([A-Fa-f0-9]{2})([A-Fa-f0-9]{2})/).map(&:reverse).flatten.map(&:hex).pack("C*") | ||
else | ||
return | ||
end | ||
session[:data_raw] = params[:data] | ||
Hexdump.dump(data, :word_size => 1, :output => dump) | ||
begin | ||
disasm = JSDetox::Disassembler.disassemble(data, opts) | ||
rescue | ||
disasm = nil | ||
end | ||
begin | ||
analysis_xor = JSDetox::Analysis::XorAnalyzer.analyze(data) | ||
analysis_xor.map! do |e| | ||
buffer = "" | ||
Hexdump.dump(e[:data], :word_size => 1, :output => buffer) | ||
e[:data] = buffer | ||
e[:patterns] = e[:patterns].join(', ') | ||
e[:key] = "%d (0x%s)" % [ e[:key], e[:key].to_s(16) ] | ||
e | ||
end | ||
rescue | ||
analysis_xor = nil | ||
end | ||
end | ||
{ | ||
:status => :ok, | ||
:dump => dump, | ||
:disasm => disasm, | ||
:analysis_xor => analysis_xor, | ||
}.to_json | ||
end | ||
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post :extract_script_tags, :provides => :json do | ||
begin | ||
html = session[:htmldoc] | ||
if html | ||
doc = Taka::DOM::HTML(html) | ||
script_tags = doc.getElementsByTagName('script').map(&:innerHTML) | ||
{ | ||
:status => :ok, | ||
:tag_count => script_tags.length, | ||
:tags => script_tags, | ||
}.to_json | ||
else | ||
{ | ||
:status => :ok, | ||
:tag_count => 0, | ||
}.to_json | ||
end | ||
rescue | ||
return { :status => :error }.to_json | ||
end | ||
end | ||
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end |
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JSDetoxWeb.controllers :pages do | ||
KNOWN_PAGES = %w(about) | ||
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get :index, :map => '/*page', :priority => :low do | ||
begin | ||
page = params[:page].first | ||
page.gsub!(/\W+/, '') | ||
if !KNOWN_PAGES.include?(page) | ||
render :haml, "%h1 page not found" | ||
end | ||
render "pages/#{page}" | ||
rescue | ||
render :haml, "%h1 page not found" | ||
end | ||
end | ||
end |
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# Helper methods defined here can be accessed in any controller or view in the application | ||
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JSDetoxWeb.helpers do | ||
# def simple_helper_method | ||
# ... | ||
# end | ||
end |
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# Helper methods defined here can be accessed in any controller or view in the application | ||
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JSDetoxWeb.helpers do | ||
# def simple_helper_method | ||
# ... | ||
# end | ||
end |
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# Helper methods defined here can be accessed in any controller or view in the application | ||
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JSDetoxWeb.helpers do | ||
# def simple_helper_method | ||
# ... | ||
# end | ||
end |
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# Helper methods defined here can be accessed in any controller or view in the application | ||
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JSDetoxWeb.helpers do | ||
# def simple_helper_method | ||
# ... | ||
# end | ||
end |
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# Helper methods defined here can be accessed in any controller or view in the application | ||
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JSDetoxWeb.helpers do | ||
# def simple_helper_method | ||
# ... | ||
# end | ||
end |
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# Helper methods defined here can be accessed in any controller or view in the application | ||
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JSDetoxWeb.helpers do | ||
# def simple_helper_method | ||
# ... | ||
# end | ||
end |
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textarea.code | ||
font-family: Menlo,Monaco,"Courier New",monospace | ||
font-size: 12px |
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