mirror of https://github.com/MISP/misp-modules
108 lines
3.3 KiB
Python
Executable File
108 lines
3.3 KiB
Python
Executable File
"""
|
|
Export module for coverting MISP events into ThreatStream Structured Import files. Based of work by the CenturyLink CIRT.
|
|
Source: https://github.com/MISP/misp-modules/blob/master/misp_modules/modules/export_mod/threat_connect_export.py
|
|
"""
|
|
|
|
import base64
|
|
import csv
|
|
import io
|
|
import json
|
|
import logging
|
|
|
|
|
|
misperrors = {"error": "Error"}
|
|
|
|
moduleinfo = {
|
|
"version": "1.0",
|
|
"author": "Robert Nixon, based off of the ThreatConnect MISP Module written by the CenturyLink CIRT",
|
|
"description": "Export a structured CSV file for uploading to ThreatStream",
|
|
"module-type": ["export"]
|
|
}
|
|
|
|
|
|
moduleconfig = []
|
|
|
|
|
|
# Map of MISP fields => ThreatStream itypes, you can modify this to your liking
|
|
fieldmap = {
|
|
"domain": "mal_domain",
|
|
"hostname": "mal_domain",
|
|
"ip-src": "mal_ip",
|
|
"ip-dst": "mal_ip",
|
|
"email-src": "phish_email",
|
|
"url": "mal_url",
|
|
"md5": "mal_md5",
|
|
}
|
|
|
|
# combine all the MISP fields from fieldmap into one big list
|
|
mispattributes = {
|
|
"input": list(fieldmap.keys())
|
|
}
|
|
|
|
|
|
def handler(q=False):
|
|
"""
|
|
Convert a MISP query into a CSV file matching the ThreatStream Structured Import file format.
|
|
Input
|
|
q: Query dictionary
|
|
"""
|
|
if q is False or not q:
|
|
return False
|
|
|
|
request = json.loads(q)
|
|
|
|
response = io.StringIO()
|
|
writer = csv.DictWriter(response, fieldnames=["value", "itype", "tags"])
|
|
writer.writeheader()
|
|
|
|
# start parsing MISP data
|
|
for event in request["data"]:
|
|
for attribute in event["Attribute"]:
|
|
if attribute["type"] in mispattributes["input"]:
|
|
logging.debug("Adding %s to structured CSV export of ThreatStream Export", attribute["value"])
|
|
if "|" in attribute["type"]:
|
|
# if the attribute type has multiple values, line it up with the corresponding ThreatStream values in fieldmap
|
|
indicators = tuple(attribute["value"].split("|"))
|
|
ts_types = tuple(fieldmap[attribute["type"]].split("|"))
|
|
for i, indicator in enumerate(indicators):
|
|
writer.writerow({
|
|
"value": indicator,
|
|
"itype": ts_types[i],
|
|
"tags": attribute["comment"]
|
|
})
|
|
else:
|
|
writer.writerow({
|
|
"itype": fieldmap[attribute["type"]],
|
|
"value": attribute["value"],
|
|
"tags": attribute["comment"]
|
|
})
|
|
|
|
return {"response": [], "data": str(base64.b64encode(bytes(response.getvalue(), 'utf-8')), 'utf-8')}
|
|
|
|
|
|
def introspection():
|
|
"""
|
|
Relay the supported attributes to MISP.
|
|
No Input
|
|
Output
|
|
Dictionary of supported MISP attributes
|
|
"""
|
|
modulesetup = {
|
|
"responseType": "application/txt",
|
|
"outputFileExtension": "csv",
|
|
"userConfig": {},
|
|
"inputSource": []
|
|
}
|
|
return modulesetup
|
|
|
|
|
|
def version():
|
|
"""
|
|
Relay module version and associated metadata to MISP.
|
|
No Input
|
|
Output
|
|
moduleinfo: metadata output containing all potential configuration values
|
|
"""
|
|
moduleinfo["config"] = moduleconfig
|
|
return moduleinfo
|