feat(feed): add Emerging Threats feed connector (ET Open reputation lists)

2026-07-12 23:02:11 +02:00
parent 929b4166d6
commit c091800434
3 changed files with 153 additions and 0 deletions
@@ -0,0 +1,62 @@
+import json, os, sys, ssl, urllib.request, urllib.error
+
+LISTS = {
+    "compromised": "https://rules.emergingthreats.net/blockrules/compromised-ips.txt",
+    "block": "https://rules.emergingthreats.net/fwrules/emerging-Block-IPs.txt",
+}
+
+
+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"})
+    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 main(cfg, inputs):
+    key = str(inputs.get("list") or cfg.get("list") or "compromised").lower()
+    url = LISTS.get(key, LISTS["compromised"])
+    raw = _get(url, cfg).decode("utf-8", "replace")
+
+    maxn = int(inputs.get("max_indicators") or 0)
+    out = []
+    for line in raw.splitlines():
+        line = line.strip()
+        if not line or line.startswith("#"):
+            continue
+        typ = "cidr" if "/" in line else "ip"
+        out.append({"value": line, "type": typ, "list": key})
+        if maxn and len(out) >= maxn:
+            break
+
+    return {"source": "emergingthreats:" + key, "count": len(out), "indicators": out}
+
+
+_run(main)