feat(scanner): reject plugin aws gcloud and az deploy writes

CHANGELOG.d/1099-claude-plugin-supply-chain.md

@@ -148,10 +148,16 @@
   ``helm install`` fails as `claude-plugin-helm-install-command`.
   ``vercel deploy`` fails as `claude-plugin-vercel-deploy-command`.
   ``fly deploy`` and ``flyctl deploy`` fail as
-  `claude-plugin-fly-deploy-command`. Hook comments and
+  `claude-plugin-fly-deploy-command`. ``aws cloudformation deploy``
+  and ``aws deploy create-deployment`` fail as
+  `claude-plugin-aws-deploy-command`. ``gcloud run|app|functions
+  deploy`` fails as `claude-plugin-gcloud-deploy-command`.
+  ``az webapp deploy`` fails as `claude-plugin-az-deploy-command`.
+  Hook comments and
   ``echo``/``printf`` lookalikes are not those classes.
   ``terraform plan``, ``helm list``,
-  ``vercel ls``, and ``fly status``
+  ``vercel ls``, ``fly status``, ``aws s3 ls``, ``gcloud config list``,
+  and ``az account show``
   stay inventory. Hardcoded
   PATs stay `claude-plugin-github-write-token`. Snippets are command
   labels, not tokens.

appguardrail_core/claude_plugin_detector.py

@@ -25,17 +25,22 @@
 deployment-write command findings. Hook or manifest ``terraform apply``
 and ``helm install`` fail closed as infra-write command findings.
 Hook or manifest ``vercel deploy`` and ``fly deploy`` fail closed as
-hosted-deploy command findings. Unquoted ``#`` comments and
+hosted-deploy command findings. Hook or manifest ``aws cloudformation
+deploy``, ``aws deploy create-deployment``, ``gcloud run|app|functions
+deploy``, and ``az webapp deploy`` fail closed as cloud-deploy command
+findings. Unquoted ``#`` comments and
 ``echo``/``printf``/``print`` lookalikes are not that class.
-``terraform plan``, ``helm list``, ``vercel ls``, and ``fly status``
+``terraform plan``, ``helm list``, ``vercel ls``, ``fly status``,
+``aws s3 ls``, ``gcloud config list``, and ``az account show``
 stay inventory. Hook or manifest paths into
 ``~/.netrc``, ``~/.aws/credentials``,
 GitHub CLI hosts, Docker auth ``config.json``, cookie jars, and
 ``~/.ssh/id_*`` private keys fail closed as credential-store findings.
 Chrome and Firefox profile stores stay browser-profile findings.
 Hardcoded PATs stay write-token findings.
 ``gh issue create``, ``gh pr review``, ``kubectl get``, ``docker ps``,
-``terraform plan``, ``helm list``, ``vercel ls``, and ``fly status``
+``terraform plan``, ``helm list``, ``vercel ls``, ``fly status``,
+``aws s3 ls``, ``gcloud config list``, and ``az account show``
 stay inventory. Skill
 homoglyph, injection, exfiltration, and placeholder hits reuse #1036 rule
 identities. Skill, command, or agent text that hides tool use, rewrites
@@ -278,6 +283,21 @@
     "hosted platform is write authority. Remove the command. "
     "[CWE-250 - Execution with Unnecessary Privileges]"
 )
+CLAUDE_PLUGIN_AWS_DEPLOY_COMMAND_MESSAGE: Final = (
+    "Claude plugin hook or manifest runs AWS deploy writes. CloudFormation "
+    "deploy and CodeDeploy create-deployment are write authority. Remove "
+    "the command. [CWE-269 - Improper Privilege Management]"
+)
+CLAUDE_PLUGIN_GCLOUD_DEPLOY_COMMAND_MESSAGE: Final = (
+    "Claude plugin hook or manifest runs gcloud deploy. Publishing Cloud "
+    "Run, App Engine, or Functions is write authority. Remove the command. "
+    "[CWE-250 - Execution with Unnecessary Privileges]"
+)
+CLAUDE_PLUGIN_AZ_DEPLOY_COMMAND_MESSAGE: Final = (
+    "Claude plugin hook or manifest runs az webapp deploy. Publishing an "
+    "Azure web app is write authority. Remove the command. "
+    "[CWE-269 - Improper Privilege Management]"
+)
 CLAUDE_PLUGIN_DOCKER_SOCKET_MESSAGE: Final = (
     "Claude plugin hook reaches the host Docker socket. Socket access is host "
     "control, not an image push. Remove the socket bind and keep builds "
@@ -413,6 +433,15 @@
 )
 _VERCEL_DEPLOY_COMMAND = re.compile(r"\bvercel\s+deploy\b", re.IGNORECASE)
 _FLY_DEPLOY_COMMAND = re.compile(r"\b(?:fly|flyctl)\s+deploy\b", re.IGNORECASE)
+_AWS_DEPLOY_COMMAND = re.compile(
+    r"\baws\s+(?:cloudformation\s+deploy|deploy\s+create-deployment)\b",
+    re.IGNORECASE,
+)
+_GCLOUD_DEPLOY_COMMAND = re.compile(
+    r"\bgcloud\s+(?P<service>run|app|functions)\s+deploy\b",
+    re.IGNORECASE,
+)
+_AZ_DEPLOY_COMMAND = re.compile(r"\baz\s+webapp\s+deploy\b", re.IGNORECASE)
 _REPORTING_BUILTINS: Final = frozenset(
     {":", "echo", "false", "print", "printf", "true"}
 )
@@ -677,7 +706,9 @@
         "deployment_write",
         re.compile(
             r"\b(?:kubectl\s+apply|terraform\s+apply|helm\s+install|"
-            r"vercel\s+deploy|fly(?:ctl)?\s+deploy|docker\s+push)\b",
+            r"vercel\s+deploy|fly(?:ctl)?\s+deploy|docker\s+push|"
+            r"aws\s+(?:cloudformation\s+deploy|deploy\s+create-deployment)|"
+            r"gcloud\s+(?:run|app|functions)\s+deploy|az\s+webapp\s+deploy)\b",
             re.IGNORECASE,
         ),
     ),
@@ -933,6 +964,9 @@ def inspect_claude_plugin_file(
         hits.extend(_helm_install_command_hits(content, manifest=manifest))
         hits.extend(_vercel_deploy_command_hits(content, manifest=manifest))
         hits.extend(_fly_deploy_command_hits(content, manifest=manifest))
+        hits.extend(_aws_deploy_command_hits(content, manifest=manifest))
+        hits.extend(_gcloud_deploy_command_hits(content, manifest=manifest))
+        hits.extend(_az_deploy_command_hits(content, manifest=manifest))
         hits.extend(_docker_socket_hits(content))
         hits.extend(_browser_profile_hits(content))
         hits.extend(_credential_store_hits(content))
@@ -2421,6 +2455,65 @@ def _fly_deploy_command_hits(
     return ()
 
 
+def _aws_deploy_command_hits(
+    content: str, *, manifest: bool = False
+) -> tuple[PluginHit, ...]:
+    """Return AWS deploy-write findings with a command label, not secrets."""
+    for source, first_line in _hosted_command_sources(content, manifest=manifest):
+        match = _executable_command_match(source, _AWS_DEPLOY_COMMAND)
+        if match is None:
+            continue
+        snippet = " ".join(match.group(0).lower().split())
+        return (
+            PluginHit(
+                rule_id="claude-plugin-aws-deploy-command",
+                line=first_line + source[: match.start()].count("\n"),
+                snippet=snippet,
+                message=CLAUDE_PLUGIN_AWS_DEPLOY_COMMAND_MESSAGE,
+            ),
+        )
+    return ()
+
+
+def _gcloud_deploy_command_hits(
+    content: str, *, manifest: bool = False
+) -> tuple[PluginHit, ...]:
+    """Return gcloud deploy findings with a service-qualified command label."""
+    for source, first_line in _hosted_command_sources(content, manifest=manifest):
+        match = _executable_command_match(source, _GCLOUD_DEPLOY_COMMAND)
+        if match is None:
+            continue
+        service = match.group("service").lower()
+        return (
+            PluginHit(
+                rule_id="claude-plugin-gcloud-deploy-command",
+                line=first_line + source[: match.start()].count("\n"),
+                snippet="gcloud " + service + " deploy",
+                message=CLAUDE_PLUGIN_GCLOUD_DEPLOY_COMMAND_MESSAGE,
+            ),
+        )
+    return ()
+
+
+def _az_deploy_command_hits(
+    content: str, *, manifest: bool = False
+) -> tuple[PluginHit, ...]:
+    """Return Azure webapp deploy findings with a command label, not names."""
+    for source, first_line in _hosted_command_sources(content, manifest=manifest):
+        match = _executable_command_match(source, _AZ_DEPLOY_COMMAND)
+        if match is None:
+            continue
+        return (
+            PluginHit(
+                rule_id="claude-plugin-az-deploy-command",
+                line=first_line + source[: match.start()].count("\n"),
+                snippet="az webapp deploy",
+                message=CLAUDE_PLUGIN_AZ_DEPLOY_COMMAND_MESSAGE,
+            ),
+        )
+    return ()
+
+
 def _dynamic_eval_hits(content: str) -> tuple[PluginHit, ...]:
     """Return findings for eval/exec/compile/Function on hook surfaces."""
     match = _DYNAMIC_EVAL.search(content)

docs/TRACEABILITY.md

@@ -22,7 +22,7 @@
 | structural Semgrep-style `pattern:` execution by lightweight engine | built-in scanner | not implemented unless a real structural matcher is added; fixtures are not execution |
 | GitHub Actions transport-only polling loop (#1087, #938 vertical slice) | owned by PR #1088 / issue #1087; YAML rules and RED precision contracts | mapped-family only; this successor does not ship or close the detector |
 | Password/database-url/auth-comment precision and test-file context (#1106) | existing `_scan_file` rules `hardcoded-password`, `hardcoded-database-url`, `todo-skip-auth`, `_finding_context` | implemented-branch regression lock |
-| Claude plugin marketplace/package supply chain (#1099) | `claude-plugin-floating-git-ref`, `claude-plugin-provider-secret`, `claude-plugin-pipe-to-shell`, `claude-plugin-unsigned-executable-download` (hooks and package.json lifecycle scripts), `claude-plugin-unpinned-package-install`, `claude-plugin-undeclared-executable`, `claude-plugin-symlink-escape`, `claude-plugin-archive-path-traversal`, `claude-plugin-unadmitted-submodule`, `claude-plugin-duplicate-json-member`, `claude-plugin-nonstandard-json-constant`, `claude-plugin-malformed-utf8`, `claude-plugin-inconsistent-normalized-name`, `claude-plugin-vendored-scope-undeclared`, `claude-plugin-conflicting-identity`, `claude-plugin-unbounded-mcp`, `claude-plugin-license-missing`, `claude-plugin-license-mismatch`, `claude-plugin-dynamic-eval`, `claude-plugin-hidden-undeclared-executable`, `claude-plugin-concealed-identity`, `claude-plugin-oversized-package`, `claude-plugin-source-mismatch`, `claude-plugin-github-write-token`, `claude-plugin-docker-socket`, `claude-plugin-browser-profile-access`, `claude-plugin-deceptive-description`, `claude-plugin-secret-to-network`, `claude-plugin-secret-to-prompt`, `claude-plugin-secret-to-mcp`, `claude-plugin-hide-actions-directive` / `claude-plugin-self-modify-directive` / `claude-plugin-goal-escalation-directive`, `claude-plugin-setuid-executable` / `claude-plugin-world-writable-executable`, `claude-plugin-decompression-bomb`, reused #1036 `skill-name-homoglyph-confusable` / `skill-manifest-prompt-injection-payload` / `skill-doc-exfiltration-endpoint-directive` / `skill-placeholder-template-unresolved` on plugin skill/agent/command surfaces, deterministic scan receipt with catalog repository/SHA bind, SARIF 2.1.0 `sarif_sha256` bound to the same finding rule_ids, `policy_provenance` bound to the AppGuardrail release plus exact scan-policy digest, and `sbom_sha256` of a deterministic CycloneDX 1.5 document, `claude-plugin-checksum-mismatch` when a first-party SHA256SUMS or sibling `*.sha256` disagrees with bytes on disk, `claude-plugin-unsigned-checksum` when checksum digest rows have no sibling Cosign/GPG signature file, `claude-plugin-excessive-path-depth` when a materialized file or archive member nests past 32 path components, `claude-plugin-github-merge-command` for hook or manifest `gh pr merge`, `claude-plugin-github-release-command` for `gh release create|upload|delete|edit`, `claude-plugin-kubectl-apply-command` for hook or manifest `kubectl apply`, `claude-plugin-docker-push-command` for `docker push`, `claude-plugin-terraform-apply-command` for `terraform apply`, `claude-plugin-helm-install-command` for `helm install`, `claude-plugin-vercel-deploy-command` for hook or manifest `vercel deploy`, `claude-plugin-fly-deploy-command` for `fly deploy`, `claude-plugin-credential-store-access` for host cookie and token stores that are not browser profiles, fail-closed receipt verification | implemented-branch |
+| Claude plugin marketplace/package supply chain (#1099) | `claude-plugin-floating-git-ref`, `claude-plugin-provider-secret`, `claude-plugin-pipe-to-shell`, `claude-plugin-unsigned-executable-download` (hooks and package.json lifecycle scripts), `claude-plugin-unpinned-package-install`, `claude-plugin-undeclared-executable`, `claude-plugin-symlink-escape`, `claude-plugin-archive-path-traversal`, `claude-plugin-unadmitted-submodule`, `claude-plugin-duplicate-json-member`, `claude-plugin-nonstandard-json-constant`, `claude-plugin-malformed-utf8`, `claude-plugin-inconsistent-normalized-name`, `claude-plugin-vendored-scope-undeclared`, `claude-plugin-conflicting-identity`, `claude-plugin-unbounded-mcp`, `claude-plugin-license-missing`, `claude-plugin-license-mismatch`, `claude-plugin-dynamic-eval`, `claude-plugin-hidden-undeclared-executable`, `claude-plugin-concealed-identity`, `claude-plugin-oversized-package`, `claude-plugin-source-mismatch`, `claude-plugin-github-write-token`, `claude-plugin-docker-socket`, `claude-plugin-browser-profile-access`, `claude-plugin-deceptive-description`, `claude-plugin-secret-to-network`, `claude-plugin-secret-to-prompt`, `claude-plugin-secret-to-mcp`, `claude-plugin-hide-actions-directive` / `claude-plugin-self-modify-directive` / `claude-plugin-goal-escalation-directive`, `claude-plugin-setuid-executable` / `claude-plugin-world-writable-executable`, `claude-plugin-decompression-bomb`, reused #1036 `skill-name-homoglyph-confusable` / `skill-manifest-prompt-injection-payload` / `skill-doc-exfiltration-endpoint-directive` / `skill-placeholder-template-unresolved` on plugin skill/agent/command surfaces, deterministic scan receipt with catalog repository/SHA bind, SARIF 2.1.0 `sarif_sha256` bound to the same finding rule_ids, `policy_provenance` bound to the AppGuardrail release plus exact scan-policy digest, and `sbom_sha256` of a deterministic CycloneDX 1.5 document, `claude-plugin-checksum-mismatch` when a first-party SHA256SUMS or sibling `*.sha256` disagrees with bytes on disk, `claude-plugin-unsigned-checksum` when checksum digest rows have no sibling Cosign/GPG signature file, `claude-plugin-excessive-path-depth` when a materialized file or archive member nests past 32 path components, `claude-plugin-github-merge-command` for hook or manifest `gh pr merge`, `claude-plugin-github-release-command` for `gh release create|upload|delete|edit`, `claude-plugin-kubectl-apply-command` for hook or manifest `kubectl apply`, `claude-plugin-docker-push-command` for `docker push`, `claude-plugin-terraform-apply-command` for `terraform apply`, `claude-plugin-helm-install-command` for `helm install`, `claude-plugin-vercel-deploy-command` for hook or manifest `vercel deploy`, `claude-plugin-fly-deploy-command` for `fly deploy`, `claude-plugin-aws-deploy-command` for hook or manifest `aws cloudformation deploy`, `claude-plugin-gcloud-deploy-command` for `gcloud run deploy`, `claude-plugin-az-deploy-command` for `az webapp deploy`, `claude-plugin-credential-store-access` for host cookie and token stores that are not browser profiles, fail-closed receipt verification | implemented-branch |
 | Orphaned GitHub Actions registry identities (#929) | owned by PR #966 / issue #929; live registry DAST | mapped-family only; this successor does not ship or close the detector |
 | Org security-failure CI tickets without copied vuln evidence | documented non-detectable family | snapshot in `tests/fixtures/cwl-security-issue-inventory.json` |
 

docs/sast-dast-rule-research.md

@@ -106,14 +106,18 @@ files being scanned, then applies the union of relevant checks. Examples:
   `claude-plugin-terraform-apply-command` for ``terraform apply``,
   `claude-plugin-helm-install-command` for ``helm install``,
   `claude-plugin-vercel-deploy-command` for ``vercel deploy``,
-  `claude-plugin-fly-deploy-command` for ``fly deploy``, and
+  `claude-plugin-fly-deploy-command` for ``fly deploy``,
+  `claude-plugin-aws-deploy-command` for ``aws cloudformation deploy``,
+  `claude-plugin-gcloud-deploy-command` for ``gcloud run deploy``,
+  `claude-plugin-az-deploy-command` for ``az webapp deploy``, and
   `claude-plugin-credential-store-access` for host ``~/.netrc``,
   ``~/.aws/credentials``, GitHub CLI hosts, Docker auth, cookie jars, and
   SSH private keys. Chrome/Firefox profile stores stay
   `claude-plugin-browser-profile-access`. Hardcoded PATs stay
   `claude-plugin-github-write-token`. ``gh issue create``, ``gh pr review``,
   ``kubectl get``, ``docker ps``, ``terraform plan``, ``helm list``,
-  ``vercel ls``, and ``fly status`` stay inventory.
+  ``vercel ls``, ``fly status``, ``aws s3 ls``, ``gcloud config list``,
+  and ``az account show`` stay inventory.
 - Mapped, not owned here: GitHub Actions transport-only poll loops (#1087,
   PR #1088) and orphaned workflow registry DAST (#929, PR #966).
 - `tool-execute-parameters-passthrough`: Strix-observed dynamic tool execution