Guillaume BOURGEOIS
334ecac83e
19 commands (Azure Resource Manager API): incident ingestion + CRUD, comments, related alerts/entities/relations, watchlists, and threat indicators. Azure AD OAuth 2.0 client-credentials, stdlib-only. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
103 lines
3.8 KiB
Python
103 lines
3.8 KiB
Python
import json, os, sys, urllib.parse, urllib.request, urllib.error
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API_VERSION = "2023-11-01"
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def _cfg():
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return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
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def _token():
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cfg = _cfg()
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data = urllib.parse.urlencode({
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"grant_type": "client_credentials",
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"client_id": str(cfg.get("client_id") or ""),
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"client_secret": str(cfg.get("client_secret") or ""),
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"scope": "https://management.azure.com/.default",
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}).encode("utf-8")
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url = "https://login.microsoftonline.com/" + str(cfg.get("tenant_id") or "") + "/oauth2/v2.0/token"
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req = urllib.request.Request(url, data=data,
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headers={"Content-Type": "application/x-www-form-urlencoded", "Accept": "application/json"},
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method="POST")
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with urllib.request.urlopen(req, timeout=60) as r:
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tok = json.loads(r.read())
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if not tok.get("access_token"):
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raise Exception("Token request failed: " + json.dumps(tok))
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return tok["access_token"]
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def _si_base():
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cfg = _cfg()
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for key in ("subscription_id", "resource_group", "workspace_name"):
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if not str(cfg.get(key) or ""):
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raise Exception(key + " is not set")
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return ("https://management.azure.com/subscriptions/" + str(cfg["subscription_id"])
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+ "/resourceGroups/" + str(cfg["resource_group"])
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+ "/providers/Microsoft.OperationalInsights/workspaces/" + str(cfg["workspace_name"])
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+ "/providers/Microsoft.SecurityInsights")
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def request(method, path, params=None, body=None, token=None):
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url = _si_base() + path
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q = {k: str(x) for k, x in (params or {}).items() if x not in (None, "")}
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q["api-version"] = API_VERSION
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url += ("&" if "?" in url else "?") + urllib.parse.urlencode(q)
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data = json.dumps(body).encode("utf-8") if body is not None else None
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headers = {"Accept": "application/json", "Authorization": "Bearer " + (token or _token())}
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if data is not None:
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headers["Content-Type"] = "application/json"
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req = urllib.request.Request(url, data=data, headers=headers, method=method)
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with urllib.request.urlopen(req, timeout=90) as r:
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raw = r.read()
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return json.loads(raw) if raw else {}
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def main():
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inputs = json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
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value = inputs.get("value")
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pattern_type = inputs.get("pattern_type")
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if not value:
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raise Exception("value is required")
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if not pattern_type:
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raise Exception("pattern_type is required")
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display_name = inputs.get("display_name") or value
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threat_types_raw = inputs.get("threat_types")
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if threat_types_raw:
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threat_types = [t.strip() for t in str(threat_types_raw).split(",") if t.strip()]
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else:
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threat_types = ["malicious-activity"]
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confidence = inputs.get("confidence")
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valid_until = inputs.get("valid_until")
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if str(pattern_type).startswith("file"):
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pattern = "[" + str(pattern_type) + " = '" + str(value) + "']"
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else:
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pattern = "[" + str(pattern_type) + ":value = '" + str(value) + "']"
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props = {
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"pattern": pattern,
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"patternType": pattern_type,
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"displayName": display_name,
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"threatTypes": threat_types,
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"source": "Riposte",
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}
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if confidence is not None and confidence != "":
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props["confidence"] = int(confidence)
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if valid_until:
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props["validUntil"] = valid_until
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body = {"kind": "indicator", "properties": props}
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res = request("POST", "/threatIntelligence/main/createIndicator", body=body)
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print(json.dumps(res))
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try:
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main()
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except urllib.error.HTTPError as e:
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print(json.dumps({"error": "HTTP " + str(e.code), "detail": e.read().decode("utf-8", "replace")}))
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sys.exit(1)
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except Exception as e:
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print(json.dumps({"error": str(e)}))
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sys.exit(1)
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