Modules for expansion services, import and export in MISP http://misp.github.io/misp-modules
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import json
import binascii
import np
from pptx import Presentation
import io
misperrors = {'error': 'Error'}
mispattributes = {'input': ['attachment'],
'output': ['freetext', 'text']}
moduleinfo = {'version': '0.1', 'author': 'Sascha Rommelfangen',
'description': '.pptx to freetext-import IOC extractor',
'module-type': ['expansion']}
moduleconfig = []
def handler(q=False):
if q is False:
return False
q = json.loads(q)
filename = q['attachment']
try:
pptx_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
ppt_content = ""
ppt_file = io.BytesIO(pptx_array)
try:
ppt = Presentation(ppt_file)
for slide in ppt.slides:
for shape in slide.shapes:
if hasattr(shape, "text"):
print(shape.text)
ppt_content = ppt_content + "\n" + shape.text
return {'results': [{'types': ['freetext'], 'values': ppt_content, 'comment': ".pptx-to-text from file " + filename},
{'types': ['text'], 'values': ppt_content, 'comment': ".pptx-to-text from file " + filename}]}
except Exception as e:
print(e)
err = "Couldn't analyze file as .pptx. Error was: " + str(e)
misperrors['error'] = err
return misperrors
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo