misp-modules/misp_modules/modules/expansion/docx_enrich.py

72 lines
2.3 KiB
Python

import json
import binascii
import np
import docx
import io
misperrors = {'error': 'Error'}
mispattributes = {'input': ['attachment'],
'output': ['freetext', 'text']}
moduleinfo = {
'version': '0.1',
'author': 'Sascha Rommelfangen',
'description': 'Module to extract freetext from a .docx document.',
'module-type': ['expansion'],
'name': 'DOCX Enrich',
'logo': 'docx.png',
'requirements': ['docx python library'],
'features': 'The module reads the text contained in a .docx document. The result is passed to the freetext import parser so IoCs can be extracted out of it.',
'references': [],
'input': 'Attachment attribute containing a .docx document.',
'output': 'Text and freetext parsed from the document.',
}
moduleconfig = []
def handler(q=False):
if q is False:
return False
q = json.loads(q)
filename = q['attachment']
try:
docx_array = np.frombuffer(binascii.a2b_base64(q['data']), np.uint8)
except Exception as e:
print(e)
err = "Couldn't fetch attachment (JSON 'data' is empty). Are you using the 'Query enrichment' action?"
misperrors['error'] = err
print(err)
return misperrors
doc_content = ""
doc_file = io.BytesIO(docx_array)
try:
doc = docx.Document(doc_file)
for para in doc.paragraphs:
print(para.text)
doc_content = doc_content + "\n" + para.text
tables = doc.tables
for table in tables:
for row in table.rows:
for cell in row.cells:
for para in cell.paragraphs:
print(para.text)
doc_content = doc_content + "\n" + para.text
print(doc_content)
return {'results': [{'types': ['freetext'], 'values': doc_content, 'comment': ".docx-to-text from file " + filename},
{'types': ['text'], 'values': doc_content, 'comment': ".docx-to-text from file " + filename}]}
except Exception as e:
print(e)
err = "Couldn't analyze file as .docx. Error was: " + str(e)
misperrors['error'] = err
return misperrors
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo