Guillaume BOURGEOIS
91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
import json, os, sys, ssl, urllib.request, urllib.error
|
|
|
|
LISTS = {
|
|
"drop": "https://www.spamhaus.org/drop/drop_v4.json",
|
|
"dropv6": "https://www.spamhaus.org/drop/drop_v6.json",
|
|
"asndrop": "https://www.spamhaus.org/drop/asndrop.json",
|
|
}
|
|
|
|
|
|
def _cfg():
|
|
return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
|
|
|
|
|
|
def _inputs():
|
|
return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
|
|
|
|
|
|
def _ctx(cfg):
|
|
if cfg.get("insecure"):
|
|
c = ssl.create_default_context()
|
|
c.check_hostname = False
|
|
c.verify_mode = ssl.CERT_NONE
|
|
return c
|
|
return None
|
|
|
|
|
|
def _get(url, cfg):
|
|
req = urllib.request.Request(
|
|
url, headers={"User-Agent": "Riposte-SOAR", "Accept": "application/json"}
|
|
)
|
|
with urllib.request.urlopen(req, timeout=120, context=_ctx(cfg)) as r:
|
|
return r.read()
|
|
|
|
|
|
def _run(fn):
|
|
try:
|
|
print(json.dumps(fn(_cfg(), _inputs())))
|
|
except urllib.error.HTTPError as e:
|
|
print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
|
|
sys.exit(1)
|
|
except Exception as e:
|
|
print(json.dumps({"error": str(e)}))
|
|
sys.exit(1)
|
|
|
|
|
|
def _parse(raw, maxn):
|
|
# Spamhaus DROP lists are newline-delimited JSON objects. Metadata lines
|
|
# (type == "metadata") are skipped. A legacy "cidr ; SBLxxx" text form is
|
|
# also tolerated as a fallback.
|
|
out = []
|
|
for line in raw.splitlines():
|
|
line = line.strip()
|
|
if not line:
|
|
continue
|
|
try:
|
|
obj = json.loads(line)
|
|
except ValueError:
|
|
part = line.split(";")[0].strip()
|
|
if part and not part.startswith("#"):
|
|
out.append({"value": part, "type": "cidr"})
|
|
if maxn and len(out) >= maxn:
|
|
break
|
|
continue
|
|
if not isinstance(obj, dict):
|
|
continue
|
|
if obj.get("type") == "metadata":
|
|
continue
|
|
cidr = obj.get("cidr")
|
|
asn = obj.get("asn")
|
|
if cidr:
|
|
out.append({"value": cidr, "type": "cidr", "sblid": obj.get("sblid"), "rir": obj.get("rir")})
|
|
elif asn is not None:
|
|
out.append({"value": "AS" + str(asn), "type": "asn", "org": obj.get("org")})
|
|
else:
|
|
continue
|
|
if maxn and len(out) >= maxn:
|
|
break
|
|
return out
|
|
|
|
|
|
def main(cfg, inputs):
|
|
key = str(inputs.get("list") or cfg.get("list") or "drop").lower()
|
|
url = LISTS.get(key, LISTS["drop"])
|
|
raw = _get(url, cfg).decode("utf-8", "replace")
|
|
maxn = int(inputs.get("max_indicators") or 0)
|
|
out = _parse(raw, maxn)
|
|
return {"source": "spamhaus:" + key, "count": len(out), "indicators": out}
|
|
|
|
|
|
_run(main)
|