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ProofPoint Threat Insight Forensics Analyzer #123

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merged 1 commit into from
Oct 17, 2018
Merged

ProofPoint Threat Insight Forensics Analyzer #123

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102 changes: 102 additions & 0 deletions analyzers/ProofPoint/Long_ReportTemplate.txt
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<!-- General error -->
<div class="panel panel-danger" ng-if="!success">
<div class="panel-heading">
<strong>{{(artifact.data || artifact.attachment.name) | fang}}</strong>
</div>
<div class="panel-body">
{{content.errorMessage}}
</div>
</div>
<div class="report-ProofPoint" ng-if="success">
<div ng-if="content.known == true">
<style>
.report-ProofPoint dl {
margin-bottom: 2px;
}
.smaller {
width: 25%;
}
</style>
<div class="panel panel-info">
<div class="panel-heading"><strong>ProofPoint Report</strong></div>
<div ng-if="content.reports && content.reports.length > 0">
<div class="panel-body">
<dl class="dl-horizontal">
<dt>Last analysis date</dt>
<dd>{{content.generated}}</dd>
</dl>
<div class="dl-horizontal" ng-repeat="(indexRep,reportFor) in content.reports">
<div ng-repeat="(indexElem,elem) in reportFor">
<div ng-if="indexElem == 'name'">
<dl class="dl-horizontal">
<dt>Threat Name</dt>
<dd>{{elem}}</dd>
</dl>
</div>
<div ng-if="indexElem == 'type'">
<dl class="dl-horizontal">
<dt>Threat Type</dt>
<dd>{{elem}}</dd>
</dl>
</div>
<div ng-if="indexElem == 'threatStatus'">
<dl class="dl-horizontal">
<dt>Threat Status</dt>
<dd>{{elem}}</dd>
</dl>
</div>
</div>
</div>
</div>
</div>
</div>
<div ng-if="content.reports && content.reports.length > 0">
<div ng-if="content.reports[0].forensics.length > 0">
<div class="panel panel-info">
<div class="panel-heading"><strong>Malicious Indicators</strong></div>
<div class="panel-body">
<div class="dl-horizontal" ng-repeat="(indexRep,reportFor) in content.reports">
<div ng-repeat="(indexElem,elem) in reportFor">
<div ng-if="indexElem == 'forensics'">
<div ng-repeat="(indexForens,forensics) in elem">
<div class="dl-horizontal" ng-if="forensics.malicious == true">
<dt>IOC Type</dt>
<dd>{{forensics.type}}</dd>
<br>
<dt>IOC Description</dt>
<dd>{{forensics.display}}</dd>
<br>
<div ng-if="forensics.note">
<dt>IOC Category</dt>
<dd>{{forensics.note}}</dd>
<br>
</div>
<br>
</div>
</div>
<div ng-repeat="(indexForens,forensics) in elem">
<div class="dl-horizontal" ng-if="forensics.type == 'screenshot'">
<dd><img class="img-responsive smaller" ng-src="{{forensics.what.url}}"/></dd>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div ng-if="content.known == false">
<div class="panel panel-info">
<div class="panel-heading"><strong>ProofPoint Report</strong></div>
<div class="panel-body">
<dl class="dl-horizontal">
<dt>Last analysis date</dt>
<dd>Data Unknown by ProofPoint</dd>
</dl>
</div>
</div>
</div>
</div>
</div>
16 changes: 16 additions & 0 deletions analyzers/ProofPoint/ProofPoint_Lookup.json
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{
"name": "ProofPoint_Lookup",
"version": "1.0",
"author": "Emmanuel Torquato",
"url": "https://github.com/CERT-BDF/Cortex-Analyzers",
"license": "AGPL-V3",
"description": "Check URL, file, SHA256 against ProofPoint forensics",
"dataTypeList": ["url", "file", "hash"],
"baseConfig": "ProofPoint",
"config": {
"service": "query",
"max_tlp": 1,
"check_tlp": true
},
"command": "ProofPoint/proofpoint_lookup.py"
}
101 changes: 101 additions & 0 deletions analyzers/ProofPoint/proofpoint_lookup.py
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#!/usr/bin/env python
# encoding: utf-8

from cortexutils.analyzer import Analyzer
import requests
import hashlib
from requests.auth import HTTPBasicAuth
import time

class ProofPointForensicsAnalyzer(Analyzer):

def __init__(self):
Analyzer.__init__(self)
self.service = self.getParam('config.service', None, 'ProofPoint service is missing')
self.url = self.getParam('config.url', 'https://tap-api-v2.proofpoint.com', None)
self.apikey = self.getParam('config.apikey', None, 'ProofPoint apikey is missing')
self.secret = self.getParam('config.secret', None, 'ProofPoint secret is missing')
self.verify = self.getParam('config.verifyssl', True, None)
if not self.verify:
from requests.packages.urllib3.exceptions import InsecureRequestWarning
requests.packages.urllib3.disable_warnings(InsecureRequestWarning)

def summary(self, raw):

taxonomies = []
level = "info"
namespace = "ProofPoint"
predicate = "Category"
value = "\"Unknown\""

result = {
'service': self.service,
'dataType': self.data_type
}
if 'reports' in raw:
for report in raw['reports']:
threatstatus = report['threatStatus']
if threatstatus == 'active':
level = "malicious"
if threatstatus == 'falsePositive':
level = 'safe'
if 'forensics' in report:
if len(report['forensics']) > 0:
for forensic in report['forensics']:
if forensic['malicious']:
if threatstatus == 'active':
level = "malicious"
if threatstatus == 'falsePositive':
level = "suspicious"
if 'note' in forensic:
value = "\"{}\"".format(forensic['note'])
taxonomies.append(self.build_taxonomy(level, namespace, predicate, value))
return {"taxonomies": taxonomies}

def run(self):
Analyzer.run(self)

try:
user_agent = {'User-agent': 'Cortex Analyzer'}
sha256 = None
report = {}
if self.service in ['query']:
if self.data_type == 'file':
filename = self.getParam('attachment.name', 'noname.ext')
filepath = self.getParam('file', None, 'File is missing')
sha256 = hashlib.sha256(open(filepath, 'r').read()).hexdigest()
elif self.data_type == 'hash' and len(self.getData()) == 64:
sha256 = self.getData()
else:
sha256 = hashlib.sha256(self.getData()).hexdigest()
else:
self.error('unknown service')
if sha256 != None:
params = {'threatId': sha256}
response = requests.get(self.url.strip('/') + '/v2/forensics', params=params, headers=user_agent, verify=self.verify, auth=HTTPBasicAuth(self.apikey, self.secret))
if response.status_code == 200:
data = response.json()
report['known'] = True
if 'reports' in data:
report['reports'] = data['reports']
if 'generated' in data:
report['generated'] = data['generated']
self.report(report)
elif response.status_code == 400:
self.error('bad request sent')
elif response.status_code == 401:
self.error('unauthorized access, verify your key and secret values')
elif response.status_code == 404:
report = {'known': False}
self.report(report)
else:
self.error('unknown error')
else:
self.error('no hash defined')
except requests.exceptions.RequestException as e:
self.error(e)
except Exception as e:
self.unexpectedError(e)

if __name__ == '__main__':
ProofPointForensicsAnalyzer().run()