mirror of https://github.com/MISP/misp-modules
Add AlienVault OTX and ThreatCrowd Expansions
Chris Doman
parent
8ed344778c
commit
c4fe78b39d
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@ -2,4 +2,5 @@ from . import _vmray
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__all__ = ['vmray_submit', 'asn_history', 'circl_passivedns', 'circl_passivessl',
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'countrycode', 'cve', 'dns', 'domaintools', 'eupi', 'ipasn', 'passivetotal', 'sourcecache',
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'virustotal', 'whois', 'shodan', 'reversedns', 'geoip_country', 'wiki', 'iprep', 'threatminer']
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'virustotal', 'whois', 'shodan', 'reversedns', 'geoip_country', 'wiki', 'iprep', 'threatminer' ,'otx',
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'threatcrowd']
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@ -0,0 +1,154 @@
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import json
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import requests
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import re
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ["hostname", "domain", "ip-src", "ip-dst", "md5", "sha1", "sha256", "sha512"],
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'output': ["domain", "ip-src", "ip-dst", "text", "md5", "sha1", "sha256", "sha512", "email"]
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}
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# possible module-types: 'expansion', 'hover' or both
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moduleinfo = {'version': '1', 'author': 'chrisdoman',
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'description': 'Get information from AlienVault OTX',
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'module-type': ['expansion']}
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# We're not actually using the API key yet
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moduleconfig = ["apikey"]
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# Avoid adding windows update to enrichment etc.
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def isBlacklisted(value):
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blacklist = ['0.0.0.0', '8.8.8.8', '255.255.255.255', '192.168.56.' , 'time.windows.com']
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for b in blacklist:
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if value in b:
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return False
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return True
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def valid_ip(ip):
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m = re.match(r"^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$", ip)
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return bool(m) and all(map(lambda n: 0 <= int(n) <= 255, m.groups()))
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def findAll(data, keys):
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a = []
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if isinstance(data, dict):
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for key in data.keys():
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if key == keys:
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a.append(data[key])
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else:
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if isinstance(data[key], (dict, list)):
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a += findAll(data[key], keys)
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if isinstance(data, list):
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for i in data:
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a += findAll(i, keys)
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return a
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def valid_email(email):
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return bool(re.search(r"^[\w\.\+\-]+\@[\w]+\.[a-z]{2,3}$", email))
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def handler(q=False):
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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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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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if 'md5' in q:
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r["results"] += getHash(q['md5'], key)
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if 'sha1' in q:
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r["results"] += getHash(q['sha1'], key)
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if 'sha256' in q:
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r["results"] += getHash(q['sha256'], key)
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if 'sha512' in q:
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r["results"] += getHash(q['sha512'], 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 getHash(hash, key):
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ret = []
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req = json.loads(requests.get("https://otx.alienvault.com/otxapi/indicator/file/analysis/" + hash).text)
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for ip in findAll(req, "dst"):
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if not isBlacklisted(ip) and valid_ip(ip):
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ret.append({"types": ["ip-dst", "ip-src"], "values": [ip]})
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for domain in findAll(req, "hostname"):
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if "." in domain and not isBlacklisted(domain):
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ret.append({"types": ["hostname"], "values": [domain]})
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return ret
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def getIP(ip, key):
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ret = []
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req = json.loads( requests.get("https://otx.alienvault.com/otxapi/indicator/ip/malware/" + ip + "?limit=1000").text )
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for hash in findAll(req, "hash"):
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ret.append({"types": ["sha256"], "values": [hash]})
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req = json.loads( requests.get("https://otx.alienvault.com/otxapi/indicator/ip/passive_dns/" + ip).text )
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for hostname in findAll(req, "hostname"):
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if not isBlacklisted(hostname):
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ret.append({"types": ["hostname"], "values": [hostname]})
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return ret
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def getDomain(domain, key):
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ret = []
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req = json.loads( requests.get("https://otx.alienvault.com/otxapi/indicator/domain/malware/" + domain + "?limit=1000").text )
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for hash in findAll(req, "hash"):
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ret.append({"types": ["sha256"], "values": [hash]})
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req = json.loads(requests.get("https://otx.alienvault.com/otxapi/indicator/domain/whois/" + domain).text)
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for domain in findAll(req, "domain"):
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ret.append({"types": ["hostname"], "values": [domain]})
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for email in findAll(req, "value"):
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if valid_email(email):
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ret.append({"types": ["email"], "values": [domain]})
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for domain in findAll(req, "hostname"):
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if "." in domain and not isBlacklisted(domain):
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ret.append({"types": ["hostname"], "values": [domain]})
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req = json.loads(requests.get("https://otx.alienvault.com/otxapi/indicator/hostname/passive_dns/" + domain).text)
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for ip in findAll(req, "address"):
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if valid_ip(ip):
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ret.append({"types": ["ip-dst"], "values": [ip]})
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return ret
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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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@ -0,0 +1,160 @@
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import json
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import requests
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import re
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misperrors = {'error': 'Error'}
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mispattributes = {'input': ["hostname", "domain", "ip-src", "ip-dst", "md5", "sha1", "sha256", "sha512", "whois-registrant-email"],
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'output': ["domain", "ip-src", "ip-dst", "text", "md5", "sha1", "sha256", "sha512", "hostname", "whois-registrant-email"]
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}
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# possible module-types: 'expansion', 'hover' or both
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moduleinfo = {'version': '1', 'author': 'chrisdoman',
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'description': 'Get information from ThreatCrowd',
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'module-type': ['expansion']}
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moduleconfig = []
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# Avoid adding windows update to enrichment etc.
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def isBlacklisted(value):
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blacklist = ['8.8.8.8', '255.255.255.255', '192.168.56.' , 'time.windows.com']
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for b in blacklist:
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if value in b:
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return True
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return False
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def valid_ip(ip):
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m = re.match(r"^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$", ip)
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return bool(m) and all(map(lambda n: 0 <= int(n) <= 255, m.groups()))
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def valid_domain(hostname):
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if len(hostname) > 255:
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return False
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if hostname[-1] == ".":
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hostname = hostname[:-1] # strip exactly one dot from the right, if present
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allowed = re.compile("(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
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return all(allowed.match(x) for x in hostname.split("."))
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def valid_email(email):
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return bool(re.search(r"^[\w\.\+\-]+\@[\w]+\.[a-z]{2,3}$", email))
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def handler(q=False):
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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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r = {"results": []}
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if "ip-src" in q:
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r["results"] += getIP(q["ip-src"])
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if "ip-dst" in q:
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r["results"] += getIP(q["ip-dst"])
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if "domain" in q:
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r["results"] += getDomain(q["domain"])
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if 'hostname' in q:
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r["results"] += getDomain(q['hostname'])
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if 'md5' in q:
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r["results"] += getHash(q['md5'])
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if 'sha1' in q:
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r["results"] += getHash(q['sha1'])
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if 'sha256' in q:
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r["results"] += getHash(q['sha256'])
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if 'sha512' in q:
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r["results"] += getHash(q['sha512'])
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if 'whois-registrant-email' in q:
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r["results"] += getEmail(q['whois-registrant-email'])
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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 getHash(hash):
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ret = []
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req = json.loads(requests.get("https://www.threatcrowd.org/searchApi/v2/file/report/?resource=" + hash).text)
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if "domains" in req:
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domains = req["domains"]
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for domain in domains:
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if not isBlacklisted(domain) and valid_domain(domain):
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ret.append({"types": ["hostname"], "values": [domain]})
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if "ips" in req:
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ips = req["ips"]
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for ip in ips:
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if not isBlacklisted(ip):
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ret.append({"types": ["ip-dst"], "values": [ip]})
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return ret
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def getIP(ip):
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ret = []
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req = json.loads( requests.get("https://www.threatcrowd.org/searchApi/v2/ip/report/?ip=" + ip).text )
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if "resolutions" in req:
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for dns in req["resolutions"]:
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if "domain" in dns:
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if valid_domain(dns["domain"]):
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ret.append({"types": ["hostname"], "values": [dns["domain"]]})
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if "hashes" in req:
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for hash in req["hashes"]:
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ret.append({"types": ["md5"], "values": [hash]})
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return ret
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def getEmail(email):
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ret = []
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j = requests.get("https://www.threatcrowd.org/searchApi/v2/email/report/?email=" + email).text
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req = json.loads(j)
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if "domains" in req:
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domains = req["domains"]
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for domain in domains:
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if not isBlacklisted(domain) and valid_domain(domain):
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ret.append({"types": ["hostname"], "values": [domain]})
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return ret
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def getDomain(domain):
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ret = []
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req = json.loads( requests.get("https://www.threatcrowd.org/searchApi/v2/domain/report/?domain=" + domain).text )
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if "resolutions" in req:
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for dns in req["resolutions"]:
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if "ip_address" in dns:
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ret.append({"types": ["ip-dst"], "values": [dns["ip_address"]]})
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if "emails" in req:
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for email in req["emails"]:
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ret.append({"types": ["whois-registrant-email"], "values": [email]})
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if "hashes" in req:
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for hash in req["hashes"]:
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ret.append({"types": ["md5"], "values": [hash]})
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return ret
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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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