mirror of https://github.com/MISP/misp-modules
155 lines
4.5 KiB
Python
Executable File
155 lines
4.5 KiB
Python
Executable File
import json
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import requests
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import hashlib
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import re
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import base64
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import os
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ['hostname', 'domain', "ip-src", "ip-dst"],
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'output':['domain', "ip-src", "ip-dst", "text"]
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}
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# possible module-types: 'expansion', 'hover' or both
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moduleinfo = {'version': '1', 'author': 'Hannah Ward',
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'description': 'Get information from virustotal',
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'module-type': ['expansion']}
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# config fields that your code expects from the site admin
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moduleconfig = ["apikey", "event_limit"]
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limit = 5 #Default
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def handler(q=False):
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global limit
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if q is False:
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return False
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q = json.loads(q)
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key = q["config"]["apikey"]
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limit = int(q["config"].get("event_limit", 5))
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r = {"results": []}
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if "ip-src" in q:
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r["results"] += getIP(q["ip-src"], key)
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if "ip-dst" in q:
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r["results"] += getIP(q["ip-dst"], key)
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if "domain" in q:
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r["results"] += getDomain(q["domain"], key)
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if 'hostname' in q:
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r["results"] += getDomain(q['hostname'], key)
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uniq = []
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for res in r["results"]:
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if res not in uniq:
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uniq.append(res)
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r["results"] = uniq
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return r
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def getIP(ip, key, do_not_recurse = False):
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global limit
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toReturn = []
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req = requests.get("https://www.virustotal.com/vtapi/v2/ip-address/report",
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params = {"ip":ip, "apikey":key}
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).json()
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if req["response_code"] == 0:
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#Nothing found
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return []
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if "resolutions" in req:
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for res in req["resolutions"][:limit]:
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toReturn.append( {"types":["domain"], "values":[res["hostname"]]})
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#Pivot from here to find all domain info
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if not do_not_recurse:
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toReturn += getDomain(res["hostname"], key, True)
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toReturn += getMoreInfo(req, key)
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return toReturn
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def getDomain(domain, key, do_not_recurse=False):
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global limit
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toReturn = []
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req = requests.get("https://www.virustotal.com/vtapi/v2/domain/report",
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params = {"domain":domain, "apikey":key}
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).json()
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if req["response_code"] == 0:
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#Nothing found
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return []
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if "resolutions" in req:
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for res in req["resolutions"][:limit]:
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toReturn.append( {"types":["ip-dst", "ip-src"], "values":[res["ip_address"]]})
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#Pivot from here to find all info on IPs
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if not do_not_recurse:
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toReturn += getIP(res["ip_address"], key, True)
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toReturn += getMoreInfo(req, key)
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return toReturn
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def findAll(data, keys):
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a = []
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if isinstance(data, dict):
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for key in data.keys():
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if key in keys:
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a.append(data[key])
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else:
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if isinstance(data[key], (dict, list)):
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a += findAll(data[key], keys)
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if isinstance(data, list):
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for i in data:
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a += findAll(i, keys)
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return a
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def isset(d, key):
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if key in d:
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if d[key] not in [None, '', ' ']:
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return True
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return False
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def getMoreInfo(req, key):
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global limit
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r = []
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#Get all hashes first
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hashes = []
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hashes = findAll(req, ["md5", "sha1", "sha256", "sha512"])
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r.append({"types":["md5", "sha1", "sha256", "sha512"], "values":hashes})
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for hsh in hashes[:limit]:
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#Search VT for some juicy info
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data = requests.get("http://www.virustotal.com/vtapi/v2/file/report",
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params={"allinfo":1, "apikey":key, "resource":hsh}
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).json()
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if isset(data, "submission_names"):
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r.append({'types':["filename"], "values":data["submission_names"]})
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if isset(data, "ssdeep"):
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r.append({'types':["ssdeep"], "values":[data["ssdeep"]]})
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if isset(data, "authentihash"):
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r.append({"types":["authentihash"], "values":[data["authentihash"]]})
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if isset(data, "ITW_urls"):
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r.append({"types":["url"], "values":data["ITW_urls"]})
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#Get the malware sample
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sample = requests.get("https://www.virustotal.com/vtapi/v2/file/download",
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params = {"hash":hsh, "apikey":key})
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malsample = sample.content
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r.append({"types":["malware-sample"],
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"categories":["Payload delivery"],
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"values":data["submission_names"],
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"data": str(base64.b64encode(malsample), 'utf-8')
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}
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)
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return r
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def introspection():
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return mispattributes
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def version():
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moduleinfo['config'] = moduleconfig
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return moduleinfo
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