feat(malwarebazaar): new MalwareBazaar sample-intel integration

MalwareBazaar (abuse.ch) API v1, 5 commands: sample info by hash, recent
samples, tag info, signature info. Auth-Key auth, stdlib-only.

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

integrations/malwarebazaar/manifest.yaml

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+id: malwarebazaar
+name: MalwareBazaar
+version: 1.0.0
+description: "MalwareBazaar by abuse.ch (API v1) — malware sample intelligence: look up a sample by hash, list recent samples, and query samples by tag or signature. Auth-Key authentication; stdlib-only, no extra Python dependencies."
+changelog: "1.0.0 — Initial release: sample info by hash, recent samples, tag info, signature info."
+category: enrichment
+
+# Per-instance configuration. abuse.ch requires an Auth-Key header.
+config_schema:
+  properties:
+    auth_key:
+      type: string
+      description: "abuse.ch Auth-Key"
+      x-soar-sensitive: true
+  required:
+    - auth_key
+
+commands:
+  - id: get_info
+    name: malwarebazaar-get-info
+    description: "Look up a sample by hash (MD5, SHA-1, or SHA-256)."
+    risk: read
+    inputs_schema:
+      properties:
+        hash: { type: string, description: "Sample hash" }
+      required: [hash]
+    outputs_schema: { properties: {} }
+  - id: get_recent
+    name: malwarebazaar-get-recent
+    description: "List recently submitted samples."
+    risk: read
+    inputs_schema:
+      properties:
+        selector: { type: string, description: "'time' (last hour) or '100' (last 100) — default 100" }
+      required: []
+    outputs_schema: { properties: {} }
+  - id: get_taginfo
+    name: malwarebazaar-get-taginfo
+    description: "List samples tagged with a given tag."
+    risk: read
+    inputs_schema:
+      properties:
+        tag: { type: string, description: "Tag (e.g. Emotet)" }
+        limit: { type: number, description: "Max samples (default 50)" }
+      required: [tag]
+    outputs_schema: { properties: {} }
+  - id: get_siginfo
+    name: malwarebazaar-get-siginfo
+    description: "List samples for a given malware signature/family."
+    risk: read
+    inputs_schema:
+      properties:
+        signature: { type: string, description: "Signature/family (e.g. TrickBot)" }
+        limit: { type: number, description: "Max samples (default 50)" }
+      required: [signature]
+    outputs_schema: { properties: {} }
+
+  - id: test_connection
+    name: malwarebazaar-test-connection
+    description: "Verify the Auth-Key (used by the Test button)."
+    risk: read
+    inputs_schema:
+      properties: {}
+      required: []
+    outputs_schema: { properties: {} }

integrations/malwarebazaar/scripts/get_info.py

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+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://mb-api.abuse.ch/api/v1/"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def query(cfg, fields):
+    data = urllib.parse.urlencode({k: v for k, v in fields.items() if v not in (None, "")}).encode("utf-8")
+    headers = {
+        "Auth-Key": str(cfg.get("auth_key", "")),
+        "Content-Type": "application/x-www-form-urlencoded",
+        "Accept": "application/json",
+    }
+    req = urllib.request.Request(API, data=data, headers=headers, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+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):
+    hash_ = inputs.get("hash")
+    if not hash_:
+        raise Exception("hash is required")
+
+    return query(cfg, {"query": "get_info", "hash": hash_})
+
+
+_run(main)

integrations/malwarebazaar/scripts/get_recent.py

@@ -0,0 +1,44 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://mb-api.abuse.ch/api/v1/"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def query(cfg, fields):
+    data = urllib.parse.urlencode({k: v for k, v in fields.items() if v not in (None, "")}).encode("utf-8")
+    headers = {
+        "Auth-Key": str(cfg.get("auth_key", "")),
+        "Content-Type": "application/x-www-form-urlencoded",
+        "Accept": "application/json",
+    }
+    req = urllib.request.Request(API, data=data, headers=headers, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+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):
+    selector = inputs.get("selector")
+
+    return query(cfg, {"query": "get_recent", "selector": (selector or "100")})
+
+
+_run(main)

integrations/malwarebazaar/scripts/get_siginfo.py

@@ -0,0 +1,47 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://mb-api.abuse.ch/api/v1/"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def query(cfg, fields):
+    data = urllib.parse.urlencode({k: v for k, v in fields.items() if v not in (None, "")}).encode("utf-8")
+    headers = {
+        "Auth-Key": str(cfg.get("auth_key", "")),
+        "Content-Type": "application/x-www-form-urlencoded",
+        "Accept": "application/json",
+    }
+    req = urllib.request.Request(API, data=data, headers=headers, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+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):
+    signature = inputs.get("signature")
+    if not signature:
+        raise Exception("signature is required")
+    limit = inputs.get("limit")
+
+    return query(cfg, {"query": "get_siginfo", "signature": signature, "limit": int(limit or 50)})
+
+
+_run(main)

integrations/malwarebazaar/scripts/get_taginfo.py

@@ -0,0 +1,47 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://mb-api.abuse.ch/api/v1/"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def query(cfg, fields):
+    data = urllib.parse.urlencode({k: v for k, v in fields.items() if v not in (None, "")}).encode("utf-8")
+    headers = {
+        "Auth-Key": str(cfg.get("auth_key", "")),
+        "Content-Type": "application/x-www-form-urlencoded",
+        "Accept": "application/json",
+    }
+    req = urllib.request.Request(API, data=data, headers=headers, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+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):
+    tag = inputs.get("tag")
+    if not tag:
+        raise Exception("tag is required")
+    limit = inputs.get("limit")
+
+    return query(cfg, {"query": "get_taginfo", "tag": tag, "limit": int(limit or 50)})
+
+
+_run(main)

integrations/malwarebazaar/scripts/test_connection.py

@@ -0,0 +1,43 @@
+import json, os, sys, urllib.parse, urllib.request, urllib.error
+
+API = "https://mb-api.abuse.ch/api/v1/"
+
+
+def _cfg():
+    return json.loads(os.environ.get("INTEGRATION_SECRETS", "{}"))
+
+
+def _inputs():
+    return json.loads(os.environ.get("INTEGRATION_INPUTS", "{}"))
+
+
+def query(cfg, fields):
+    data = urllib.parse.urlencode({k: v for k, v in fields.items() if v not in (None, "")}).encode("utf-8")
+    headers = {
+        "Auth-Key": str(cfg.get("auth_key", "")),
+        "Content-Type": "application/x-www-form-urlencoded",
+        "Accept": "application/json",
+    }
+    req = urllib.request.Request(API, data=data, headers=headers, method="POST")
+    with urllib.request.urlopen(req, timeout=60) as r:
+        raw = r.read()
+        return json.loads(raw) if raw else {}
+
+
+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):
+    query(cfg, {"query": "get_recent", "selector": "100"})
+    return {"ok": True}
+
+
+_run(main)