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
import pdftotext
import io
misperrors = {'error': 'Error'}
mispattributes = {'input': ['attachment'],
'output': ['freetext', 'text']}
moduleinfo = {'version': '0.1', 'author': 'Sascha Rommelfangen',
'description': 'PDF 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:
pdf_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
pdf_file = io.BytesIO(pdf_array)
try:
pdf_content = "\n\n".join(pdftotext.PDF(pdf_file))
return {'results': [{'types': ['freetext'], 'values': pdf_content, 'comment': "PDF-to-text from file " + filename}]}
except Exception as e:
print(e)
err = "Couldn't analyze file as PDF. Error was: " + str(e)
misperrors['error'] = err
return misperrors
def introspection():
return mispattributes
def version():
moduleinfo['config'] = moduleconfig
return moduleinfo