Class: DoroParser::Doroxtractr

Inherits:
Mu::Xtractr show all
Defined in:
lib/dorothy2/DEM.rb

Overview

PcaprLocal::Xtractr.new

Instance Attribute Summary

Attributes inherited from Mu::Xtractr

#address, #port, #relurl

Instance Method Summary collapse

Methods inherited from Mu::Xtractr

#about, create, #field, #fields, #flow, #flows, #get, #host, #hosts, #initialize, #inspect, #json, #packet, #packets, #service, #services

Constructor Details

This class inherits a constructor from Mu::Xtractr

Instance Method Details

#findconfget ⇒ Object

Find the HTTP GET request made by the host (Zeus uses it to send stolen data to its dropzone) Is the first get request made to the C&C [!?]



321
322
323
 
# File 'lib/dorothy2/DEM.rb', line 321

def findconfget
  self.flows("flow.service:HTTP flow.dst: #{cc}")
end

#findzeusdata(re, type, cc = '192.168.10.3') ⇒ Object

Find the HTTP requests made by the host (Zeus uses it to send stolen data to its dropzone) The biggest post refers to the STATS one (by default is sent every 20 min) the smallest post refers to the LOG one (by default is sent every minute) the biggest GET refers to the Configuration file downloaded by the Zeus C&C



302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
 
# File 'lib/dorothy2/DEM.rb', line 302

def findzeusdata(re, type, cc='192.168.10.3')
  flowids = {}
  self.flows("flow.service:HTTP flow.dst: #{cc}").each do |flow|
    method = self.flows("flow.id:#{flow.id}").values('http.request.method')[0].value
    flowids[flow.id] = flow.stream.flow.contents.first.body.length if method =~ /#{Regexp.escape(re)}/
  end
  if type == "ping"
    return flowids.sort {|a,b| a[1]<=>b[1]}.first
  elsif type == "stat" || type == "conf"
    return flowids.sort {|a,b| a[1]<=>b[1]}.last
  else
    puts "Error, choose one argument from: ping, stat, conf"
    return 1
  end
end

#flowcontent(id) ⇒ Object

Retrieve the content of a specified flow-ID



381
382
383
384
385
386
387
388
389
 
# File 'lib/dorothy2/DEM.rb', line 381

def flowcontent(id)
  body = ""
  self.flows("flow.id:#{id}").each do |flow|
    flow.contents.each do |c|
      body << c.body
    end
  end
  return body
end

#flowgrep(id, re) ⇒ Object 



356
357
358
359
360
361
362
363
364
365
366
367
 
# File 'lib/dorothy2/DEM.rb', line 356

def flowgrep(id, re)
  self.flows("flow.id:#{id}").each do |f|
    @t = false
    f.stream.each do |mex|
      if mex.bytes =~ /#{re}/
        puts "#{f.id}: > #{f.dst.address} - #{$1}"
        @t = true
      end
    end
  end
  return @t
end

#flowinfo(id) ⇒ Object 



293
294
295
296
 
# File 'lib/dorothy2/DEM.rb', line 293

def flowinfo(id)
  f = self.flows("flow.id:#{id}").first.inspect
  f << self.flows("flow.id:#{id}").first.time.to_s
end

#flowsummary(verbose = 0) ⇒ Object 



336
337
338
339
340
341
342
343
344
345
 
# File 'lib/dorothy2/DEM.rb', line 336

def flowsummary(verbose=0)
  self.flows.each { |flow|
    flowdeep = self.flows("flow.id:#{flow.id}")
    if verbose == 1
      puts "#{flow.id}: #{flow.time} : #{flow.src.address} > #{flow.dst.address} - #{flow.packets} - #{flow.bytes} - #{flow.duration} - #{flow.title}"
    else
      puts "| #{flow.id}: #{flow.src.address} > #{flow.service.name} > #{flow.dst.address} : #{flow.title}"
    end
  }
end

#streamdata(id) ⇒ Object 



369
370
371
372
373
374
375
376
377
378
 
# File 'lib/dorothy2/DEM.rb', line 369

def streamdata(id)
  data = []
  self.flows("flow.id:#{id}").each do |f|
    f.stream.each do |mex|
      t = [mex.bytes, mex.dir]
      data.push t
    end
  end
  return data
end

#summaryhttp(fast = 0, v = 0) ⇒ Object 



279
280
281
282
283
284
285
286
287
288
289
290
291
 
# File 'lib/dorothy2/DEM.rb', line 279

def summaryhttp(fast=0, v=0)
  ids = []
  self.flows('flow.service:HTTP').each { |flow|
    method = self.flows("flow.id:#{flow.id}").values('http.request.method')[0].value
    if fast == 0
      puts "#{flow.id} #{flow.src.address} > #{flow.dst.address} - #{method} -  #{flow.stream.flow.contents.first.body.length}"
    else
      puts "#{flow.id} #{flow.src.address} > #{flow.dst.address} - #{method}"
    end
    ids.push(flow.id)
  }
  return ids
end

#summaryhttpmethod(re, fast = 0) ⇒ Object 



325
326
327
328
329
330
331
332
333
334
 
# File 'lib/dorothy2/DEM.rb', line 325

def summaryhttpmethod(re, fast=0)
  self.flows('flow.service:HTTP').each { |flow|
    flowdeep = self.flows("flow.id:#{flow.id}")
    if fast == 0
      puts "#{flow.id} #{flow.src.address} > #{flow.dst.address} - #{flow.stream.flow.contents.first.body.length}" if flowdeep.values('http.request.method')[0] && flowdeep.values('http.request.method')[0].value =~ /#{Regexp.escape(re)}/
    else
      puts "#{flow.id} #{flow.src.address} > #{flow.dst.address}" if flowdeep.values('http.request.method')[0] && flowdeep.values('http.request.method')[0].value =~ /#{Regexp.escape(re)}/
    end
  }
end

#summaryport(port) ⇒ Object 



348
349
350
351
352
353
354
 
# File 'lib/dorothy2/DEM.rb', line 348

def summaryport(port)
  self.flows("flow.dport:#{port}").each do |f|
    f.contents.each do |c|
      puts "#{f.id}: #{flow.id} #{flow.src.address} > #{flow.dst.address} #{f.title} : #{c.body.length}"
    end
  end
end