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

62 lines
1.9 KiB
Python

import json
import binascii
import np
from ODTReader.odtreader import odtToText
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 .odt document.',
'module-type': ['expansion'],
'name': 'ODT Enrich',
'logo': 'odt.png',
'requirements': ['ODT reader python library.'],
'features': 'The module reads the text contained in a .odt document. The result is passed to the freetext import parser so IoCs can be extracted out of it.',
'references': [],
'input': 'Attachment attribute containing a .odt 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:
odt_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
odt_content = ""
odt_file = io.BytesIO(odt_array)
try:
odt_content = odtToText(odt_file)
print(odt_content)
return {'results': [{'types': ['freetext'], 'values': odt_content, 'comment': ".odt-to-text from file " + filename},
{'types': ['text'], 'values': odt_content, 'comment': ".odt-to-text from file " + filename}]}
except Exception as e:
print(e)
err = "Couldn't analyze file as .odt. Error was: " + str(e)
misperrors['error'] = err
return misperrors
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo