Source code for workbench.workers.view_pe
''' view_pe worker '''
import pprint
class ViewPE(object):
[docs] ''' Generates a high level summary view for PE files that incorporates a large set of workers '''
dependencies = ['meta', 'strings', 'pe_peid', 'pe_indicators', 'pe_classifier', 'yara_sigs']
def execute(self, input_data):
[docs] ''' Execute the ViewPE worker '''
# Just a small check to make sure we haven't been called on the wrong file type
if (input_data['meta']['type_tag'] != 'exe'):
return {'error': self.__class__.__name__+': called on '+input_data['meta']['type_tag']}
view = {}
view['indicators'] = list(set([item['category'] for item in input_data['pe_indicators']['indicator_list']]))
view['peid_matches'] = input_data['pe_peid']['match_list']
view['yara_sigs'] = input_data['yara_sigs']['matches'].keys()
view['classification'] = input_data['pe_classifier']['classification']
view['disass'] = self.safe_get(input_data, ['pe_disass', 'decode'])[:15]
view.update(input_data['meta'])
return view
# Helper method
@staticmethod
def safe_get(data, key_list):
[docs] ''' Safely access dictionary keys when plugin may have failed '''
for key in key_list:
data = data.get(key, {})
return data if data else 'plugin_failed'
# Unit test: Create the class, the proper input and run the execute() method for a test
def test():
[docs] ''' view_pe.py: Unit test'''
# This worker test requires a local server running
import zerorpc
workbench = zerorpc.Client(timeout=300, heartbeat=60)
workbench.connect("tcp://127.0.0.1:4242")
# Generate input for the worker
import os
data_path = os.path.join(os.path.dirname(os.path.realpath(__file__)),
'../data/pe/bad/cc113aa59c04b17e7cb832fc417f104d')
md5 = workbench.store_sample(open(data_path, 'rb').read(), 'bad_pe', 'exe')
input_data = workbench.work_request('meta', md5)
input_data.update(workbench.work_request('strings', md5))
input_data.update(workbench.work_request('pe_peid', md5))
input_data.update(workbench.work_request('pe_indicators', md5))
input_data.update(workbench.work_request('pe_classifier', md5))
input_data.update(workbench.work_request('yara_sigs', md5))
# Execute the worker (unit test)
worker = ViewPE()
output = worker.execute(input_data)
print '\n<<< Unit Test >>>'
pprint.pprint(output)
# Execute the worker (server test)
output = workbench.work_request('view_pe', md5)
print '\n<<< Server Test >>>'
pprint.pprint(output)
if __name__ == "__main__":
test()