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chg: [crowdsec] Updated the module to support the recently added `crowdsec-ip-context` object template

pull/613/head
Christian Studer 2023-05-12 12:16:22 +02:00
parent 51cf8524ad
commit 196939d205
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GPG Key ID: 6BBED1B63A6D639F
1 changed files with 46 additions and 78 deletions
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124
misp_modules/modules/expansion/crowdsec.py
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@ -35,7 +35,8 @@ def handler(q=False):
def _handler_v2(request_data):
ip = request_data['attribute']['value']
attribute = request_data['attribute']
ip = attribute['value']
crowdsec_cti = requests.get(
f"https://cti.api.crowdsec.net/v2/smoke/{ip}",
@ -48,93 +49,60 @@ def _handler_v2(request_data):
crowdsec_cti = crowdsec_cti.json()
misp_event = MISPEvent()
misp_attribute = misp_event.add_attribute(**attribute)
crowdsec_context_object = MISPObject("crowdsec-ip-context")
crowdsec_context_object.add_attribute("IP Address", **{"type": "text", "value": ip})
crowdsec_context_object.add_attribute(
"IP Range", **{"type": "text", "value": crowdsec_cti["ip_range"]}
crowdsec_context_object.from_dict(
first_seen=crowdsec_cti["history"]["first_seen"],
last_seen=crowdsec_cti["history"]["last_seen"]
)
crowdsec_context_object.add_attribute("ip", crowdsec_cti["ip"])
crowdsec_context_object.add_attribute("ip-range", crowdsec_cti["ip_range"])
crowdsec_context_object.add_attribute("ip-range-score", crowdsec_cti["ip_range_score"])
crowdsec_context_object.add_attribute(
"IP Range Score", **{"type": "text", "value": crowdsec_cti["ip_range_score"]}
"country", get_country_name_from_alpha_2(crowdsec_cti["location"]["country"])
)
crowdsec_context_object.add_attribute(
"Country",
**{
"type": "text",
"value": get_country_name_from_alpha_2(crowdsec_cti["location"]["country"]),
},
)
if crowdsec_cti["location"]["city"]:
crowdsec_context_object.add_attribute("country-code", crowdsec_cti["location"]["country"])
if crowdsec_cti["location"].get("city"):
crowdsec_context_object.add_attribute(
"City", **{"type": "text", "value": crowdsec_cti["location"]["city"]}
"city", crowdsec_cti["location"]["city"]
)
crowdsec_context_object.add_attribute("latitude", crowdsec_cti["location"]["latitude"])
crowdsec_context_object.add_attribute("longitude", crowdsec_cti["location"]["longitude"])
crowdsec_context_object.add_attribute("as-name", crowdsec_cti["as_name"])
crowdsec_context_object.add_attribute("as-num", crowdsec_cti["as_num"])
crowdsec_context_object.add_attribute("reverse-dns", crowdsec_cti["reverse_dns"])
for behavior in crowdsec_cti["behaviors"]:
crowdsec_context_object.add_attribute(
"behaviors", behavior["label"],
comment=behavior['description']
)
crowdsec_context_object.add_attribute(
"Latitude", **{"type": "float", "value": crowdsec_cti["location"]["latitude"]}
"attack-details",
", ".join(
f"{scenario['name']} - {scenario['label']} ({scenario['description']})"
for scenario in crowdsec_cti["attack_details"]
)
)
crowdsec_context_object.add_attribute(
"Longitude", **{"type": "float", "value": crowdsec_cti["location"]["longitude"]}
)
crowdsec_context_object.add_attribute(
"AS Name", **{"type": "text", "value": crowdsec_cti["as_name"]}
)
crowdsec_context_object.add_attribute(
"AS Number", **{"type": "AS", "value": crowdsec_cti["as_num"]}
)
crowdsec_context_object.add_attribute(
"Reverse DNS", **{"type": "domain", "value": crowdsec_cti["reverse_dns"]}
)
crowdsec_context_object.add_attribute(
"Attack Categories",
**{
"type": "text",
"value": ",".join(
[attack_category["label"] for attack_category in crowdsec_cti["behaviors"]]
),
},
)
crowdsec_context_object.add_attribute(
"Triggered Scenarios",
**{
"type": "text",
"value": ",".join([scenario["name"] for scenario in crowdsec_cti["attack_details"]]),
},
)
crowdsec_context_object.add_attribute(
"Top 10 Target Countries",
**{
"type": "float",
"value": ",".join(
map(get_country_name_from_alpha_2, crowdsec_cti["target_countries"].keys())
),
},
)
crowdsec_context_object.add_attribute(
"Trust", **{"type": "float", "value": crowdsec_cti["scores"]["overall"]["trust"]}
)
crowdsec_context_object.add_attribute(
"First Seen", **{"type": "datetime", "value": crowdsec_cti["history"]["first_seen"]}
)
crowdsec_context_object.add_attribute(
"Last Seen", **{"type": "datetime", "value": crowdsec_cti["history"]["last_seen"]}
)
for time_period, indicators in crowdsec_cti["scores"].items():
tp = " ".join(map(str.capitalize, time_period.split("_")))
for indicator_type, indicator_value in indicators.items():
crowdsec_context_object.add_attribute(
f"{tp} {indicator_type.capitalize()}", **{"type": "float", "value": indicator_value}
"target-countries",
", ".join(
map(
get_country_name_from_alpha_2,
crowdsec_cti["target_countries"].keys()
)
)
)
crowdsec_context_object.add_attribute("trust", crowdsec_cti["scores"]["overall"]["trust"])
scores = []
for time_period, indicators in crowdsec_cti["scores"].items():
tp = ' '.join(map(str.capitalize, time_period.split('_')))
indicator = (
f'{indicator_type.capitalize()}: {indicator_value}'
for indicator_type, indicator_value in indicators.items()
)
scores.append(f"{tp}: {' - '.join(indicator)}")
crowdsec_context_object.add_attribute('scores', ', '.join(scores))
crowdsec_context_object.add_reference(misp_attribute.uuid, 'related-to')
misp_event.add_object(crowdsec_context_object)
event = json.loads(misp_event.to_json())