feat(microsoft-defender-o365): new O365 email-remediation integration

Microsoft Graph mail APIs, 7 commands: search mailbox messages, get message,
list attachments, list folders, move message, hard-delete (purge) message.
Azure AD OAuth2 client-credentials auth (Mail.ReadWrite), stdlib-only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

integrations/microsoft-defender-o365/manifest.yaml

@@ -0,0 +1,97 @@
+id: microsoft_defender_o365
+name: Microsoft Defender for Office 365
+version: 1.0.0
+description: "Microsoft Defender for Office 365 email remediation (Microsoft Graph mail APIs) — anti-phishing containment: search a mailbox for messages, read a message and its attachments, move a message to a folder, and hard-delete (purge) a phishing message. Azure AD OAuth2 client-credentials authentication; stdlib-only, no extra Python dependencies."
+changelog: "1.0.0 — Initial release: search mailbox messages, get message, list attachments, list folders, move message, delete (purge) message."
+category: email
+
+# Per-instance configuration. Uses application (client-credentials) OAuth2.
+# The app registration needs Graph application permission Mail.ReadWrite.
+config_schema:
+  properties:
+    tenant_id:
+      type: string
+      description: "Azure AD tenant ID"
+    client_id:
+      type: string
+      description: "App registration (client) ID"
+    client_secret:
+      type: string
+      description: "App registration client secret"
+      x-soar-sensitive: true
+  required:
+    - tenant_id
+    - client_id
+    - client_secret
+
+commands:
+  - id: search_messages
+    name: mdo-search-messages
+    description: "Search a mailbox for messages by sender, subject, or free-text search."
+    risk: read
+    inputs_schema:
+      properties:
+        mailbox: { type: string, description: "Target mailbox (user principal name or ID)" }
+        subject: { type: string, description: "Filter by exact subject" }
+        from_address: { type: string, description: "Filter by sender address" }
+        search: { type: string, description: "Free-text $search query (KQL) over the mailbox" }
+        limit: { type: number, description: "Max messages (default 25)" }
+      required: [mailbox]
+    outputs_schema: { properties: {} }
+  - id: get_message
+    name: mdo-get-message
+    description: "Get a single message by ID."
+    risk: read
+    inputs_schema:
+      properties:
+        mailbox: { type: string, description: "Target mailbox (UPN or ID)" }
+        message_id: { type: string, description: "Message ID" }
+      required: [mailbox, message_id]
+    outputs_schema: { properties: {} }
+  - id: list_attachments
+    name: mdo-list-attachments
+    description: "List a message's attachments."
+    risk: read
+    inputs_schema:
+      properties:
+        mailbox: { type: string, description: "Target mailbox (UPN or ID)" }
+        message_id: { type: string, description: "Message ID" }
+      required: [mailbox, message_id]
+    outputs_schema: { properties: {} }
+  - id: list_folders
+    name: mdo-list-folders
+    description: "List the mail folders of a mailbox (to obtain destination IDs for move)."
+    risk: read
+    inputs_schema:
+      properties:
+        mailbox: { type: string, description: "Target mailbox (UPN or ID)" }
+      required: [mailbox]
+    outputs_schema: { properties: {} }
+  - id: move_message
+    name: mdo-move-message
+    description: "Move a message to another folder (e.g. to Junk Email or a quarantine folder)."
+    inputs_schema:
+      properties:
+        mailbox: { type: string, description: "Target mailbox (UPN or ID)" }
+        message_id: { type: string, description: "Message ID" }
+        destination_id: { type: string, description: "Destination folder ID or well-known name (e.g. junkemail, deleteditems)" }
+      required: [mailbox, message_id, destination_id]
+    outputs_schema: { properties: {} }
+  - id: delete_message
+    name: mdo-delete-message
+    description: "Hard-delete (purge) a message from the mailbox."
+    inputs_schema:
+      properties:
+        mailbox: { type: string, description: "Target mailbox (UPN or ID)" }
+        message_id: { type: string, description: "Message ID" }
+      required: [mailbox, message_id]
+    outputs_schema: { properties: {} }
+
+  - id: test_connection
+    name: mdo-test-connection
+    description: "Verify connectivity and the app credentials (used by the Test button)."
+    risk: read
+    inputs_schema:
+      properties: {}
+      required: []
+    outputs_schema: { properties: {} }

integrations/microsoft-defender-o365/scripts/delete_message.py

@@ -0,0 +1,76 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main(token, inputs):
+    mailbox = inputs.get("mailbox")
+    if not mailbox:
+        raise Exception("mailbox is required")
+    message_id = inputs.get("message_id")
+    if not message_id:
+        raise Exception("message_id is required")
+
+    graph("DELETE", "/users/" + q(mailbox) + "/messages/" + q(message_id), token)
+    return {"ok": True, "deleted": message_id}
+
+
+_run(main)

integrations/microsoft-defender-o365/scripts/get_message.py

@@ -0,0 +1,75 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main(token, inputs):
+    mailbox = inputs.get("mailbox")
+    if not mailbox:
+        raise Exception("mailbox is required")
+    message_id = inputs.get("message_id")
+    if not message_id:
+        raise Exception("message_id is required")
+
+    return graph("GET", "/users/" + q(mailbox) + "/messages/" + q(message_id), token)
+
+
+_run(main)

integrations/microsoft-defender-o365/scripts/list_attachments.py

@@ -0,0 +1,75 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main(token, inputs):
+    mailbox = inputs.get("mailbox")
+    if not mailbox:
+        raise Exception("mailbox is required")
+    message_id = inputs.get("message_id")
+    if not message_id:
+        raise Exception("message_id is required")
+
+    return graph("GET", "/users/" + q(mailbox) + "/messages/" + q(message_id) + "/attachments", token)
+
+
+_run(main)

integrations/microsoft-defender-o365/scripts/list_folders.py

@@ -0,0 +1,72 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main(token, inputs):
+    mailbox = inputs.get("mailbox")
+    if not mailbox:
+        raise Exception("mailbox is required")
+
+    return graph("GET", "/users/" + q(mailbox) + "/mailFolders", token, params={"$top": 100})
+
+
+_run(main)

integrations/microsoft-defender-o365/scripts/move_message.py

@@ -0,0 +1,83 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def main(token, inputs):
+    mailbox = inputs.get("mailbox")
+    if not mailbox:
+        raise Exception("mailbox is required")
+    message_id = inputs.get("message_id")
+    if not message_id:
+        raise Exception("message_id is required")
+    destination_id = inputs.get("destination_id")
+    if not destination_id:
+        raise Exception("destination_id is required")
+
+    return graph(
+        "POST",
+        "/users/" + q(mailbox) + "/messages/" + q(message_id) + "/move",
+        token,
+        body={"destinationId": destination_id},
+    )
+
+
+_run(main)

integrations/microsoft-defender-o365/scripts/search_messages.py

@@ -0,0 +1,93 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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)
+
+
+q = lambda v: urllib.parse.quote(str(v), safe="")
+
+
+def _odata_escape(v):
+    return str(v).replace("'", "''")
+
+
+def main(token, inputs):
+    mailbox = inputs.get("mailbox")
+    if not mailbox:
+        raise Exception("mailbox is required")
+
+    subject = inputs.get("subject")
+    from_address = inputs.get("from_address")
+    search = inputs.get("search")
+    limit = int(inputs.get("limit") or 25)
+
+    if search:
+        params = {"$search": '"' + search + '"', "$top": limit}
+    elif subject or from_address:
+        parts = []
+        if subject:
+            parts.append("subject eq '" + _odata_escape(subject) + "'")
+        if from_address:
+            parts.append("from/emailAddress/address eq '" + _odata_escape(from_address) + "'")
+        params = {"$filter": " and ".join(parts), "$top": limit}
+    else:
+        params = {"$top": limit}
+
+    return graph("GET", "/users/" + q(mailbox) + "/messages", token, params=params)
+
+
+_run(main)

integrations/microsoft-defender-o365/scripts/test_connection.py

@@ -0,0 +1,66 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+GRAPH = "https://graph.microsoft.com/v1.0"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def _token(cfg):
+    tenant = str(cfg.get("tenant_id", ""))
+    url = "https://login.microsoftonline.com/" + tenant + "/oauth2/v2.0/token"
+    form = urllib.parse.urlencode({
+        "grant_type": "client_credentials",
+        "client_id": str(cfg.get("client_id", "")),
+        "client_secret": str(cfg.get("client_secret", "")),
+        "scope": "https://graph.microsoft.com/.default",
+    }).encode("utf-8")
+    req = urllib.request.Request(url, data=form, headers={"Content-Type": "application/x-www-form-urlencoded"}, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        tok = json.loads(r.read())
+    if not tok.get("access_token"):
+        raise Exception("Token request failed: " + json.dumps(tok))
+    return tok["access_token"]
+
+
+def graph(method, path, token, body=None, params=None):
+    url = GRAPH + path
+    if params:
+        clean = {k: v for k, v in params.items() if v not in (None, "")}
+        if clean:
+            url += "?" + urllib.parse.urlencode(clean)
+    data = json.dumps(body).encode("utf-8") if body is not None else None
+    headers = {"Authorization": "Bearer " + token, "Accept": "application/json"}
+    if data is not None:
+        headers["Content-Type"] = "application/json"
+    req = urllib.request.Request(url, data=data, headers=headers, method=method)
+    with urllib.request.urlopen(req, timeout=90) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+def _run(fn):
+    try:
+        cfg = _cfg()
+        inputs = _inputs()
+        token = _token(cfg)
+        print(json.dumps(fn(token, 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(token, inputs):
+    graph("GET", "/users", token, params={"$top": 1})
+    return {"ok": True}
+
+
+_run(main)