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misp-modules
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Merge pull request #516 from Lastline-Inc/main 

Sanity checks
pull/519/head
Alexandre Dulaunoy 2021-08-13 07:43:48 +02:00 committed by GitHub
parent b4938c77cb f5fdf343b8
commit 5507d65ef2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 14 deletions
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34
misp_modules/modules/expansion/vmware_nsx.py
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@ -44,7 +44,7 @@ mispattributes = {
moduleinfo = {
"version": "0.2",
"author": "Jason Zhang",
"author": "Jason Zhang, Stefano Ortolani",
"description": "Enrich a file or URL with VMware NSX Defender",
"module-type": ["expansion", "hover"],
}
@ -111,12 +111,16 @@ class ResultParser:
# Add HTTP requests from url analyses
network_dict = result.get("report", {}).get("analysis", {}).get("network", {})
for request in network_dict.get("requests", []):
parsed_uri = parse.urlparse(request["url"])
if not request["url"] and not request["ip"]:
continue
o = pymisp.MISPObject(name="http-request")
o.add_attribute("host", parsed_uri.netloc)
o.add_attribute("method", "GET")
o.add_attribute("uri", request["url"])
o.add_attribute("ip-dst", request["ip"])
if request["url"]:
parsed_uri = parse.urlparse(request["url"])
o.add_attribute("host", parsed_uri.netloc)
o.add_attribute("uri", request["url"])
if request["ip"]:
o.add_attribute("ip-dst", request["ip"])
misp_event.add_object(o)
# Add network behaviors from files
@ -129,8 +133,8 @@ class ResultParser:
try:
if hostname == "wpad" or hostname == "localhost":
continue
# Invalid hostname, e.g., hostname: '2.2.0.10.in-addr.arpa.
if hostname[-1] == ".":
# Invalid hostname, e.g., hostname: ZLKKJRPY or 2.2.0.10.in-addr.arpa.
if "." not in hostname or hostname[-1] == ".":
continue
_ = ipaddress.ip_address(hostname)
continue
@ -183,13 +187,15 @@ class ResultParser:
misp_event.add_object(o)
# Add behaviors
o = pymisp.MISPObject(name="sb-signature")
o.add_attribute("software", "VMware NSX Defender")
for activity in result.get("malicious_activity", []):
a = pymisp.MISPAttribute()
a.from_dict(type="text", value=activity)
o.add_attribute("signature", **a)
misp_event.add_object(o)
# Check if its not empty first, as at least one attribute has to be set for sb-signature object
if result.get("malicious_activity", []):
o = pymisp.MISPObject(name="sb-signature")
o.add_attribute("software", "VMware NSX Defender")
for activity in result.get("malicious_activity", []):
a = pymisp.MISPAttribute()
a.from_dict(type="text", value=activity)
o.add_attribute("signature", **a)
misp_event.add_object(o)
# Add mitre techniques
for techniques in result.get("activity_to_mitre_techniques", {}).values():