Publish Layerfault deep challenge LF-CH-CORR-0008

CHALLENGE_ORACLE.json

@@ -0,0 +1,28 @@
+{
+  "attack_surface": [
+    "cross-file-correlation"
+  ],
+  "control_type": "positive",
+  "corpus_id": "LF-CH-CORR-0008",
+  "difficulty": "hard",
+  "expected_decision": "BLOCK",
+  "ground_truth": "synthetic-generated",
+  "layerfault_rule_expectations": {
+    "candidate_rules": [],
+    "expected_rules": [],
+    "must_not_rules": []
+  },
+  "oracle_ids": [
+    "LF-ORACLE-CORR-0008"
+  ],
+  "related_cases": [],
+  "repo_name": "correlation-dependency-loader-chain",
+  "safe_fixture": true,
+  "schema": 2,
+  "severity": "medium",
+  "techniques": [
+    "dependency",
+    "correlation"
+  ],
+  "transformations": []
+}

FIXTURE_LAYOUT.json

@@ -0,0 +1,10 @@
+{
+  "artifacts": [
+    "config.json",
+    "requirements.txt",
+    "src/loader.py"
+  ],
+  "family": "correlation",
+  "note": "All content is synthetic and inert. Do not treat this as a production model.",
+  "repo_name": "correlation-dependency-loader-chain"
+}

LAYERFAULT_CORPUS.json

@@ -0,0 +1,36 @@
+{
+  "candidate_rules": [],
+  "challenge": {
+    "attack_surface": [
+      "cross-file-correlation"
+    ],
+    "control_type": "positive",
+    "difficulty": "hard",
+    "expected_decision": "BLOCK",
+    "oracle_ids": [
+      "LF-ORACLE-CORR-0008"
+    ],
+    "related_cases": [],
+    "severity": "medium",
+    "techniques": [
+      "dependency",
+      "correlation"
+    ],
+    "transformations": []
+  },
+  "corpus_id": "LF-CH-CORR-0008",
+  "description": "Correlation dependency loader chain.",
+  "expected_rules": [],
+  "generator": "challenges.generate_challenge",
+  "ground_truth": "synthetic-generated",
+  "must_not_rules": [],
+  "repo_name": "correlation-dependency-loader-chain",
+  "repo_type": "model",
+  "safe_fixture": true,
+  "safety": "inert/canary-only",
+  "schema": 1,
+  "validation": {
+    "kind": "verify-package",
+    "target": "."
+  }
+}

README.md

@@ -0,0 +1,73 @@
+---
+license: apache-2.0
+tags:
+- layerfault
+- security-research
+- model-security
+- synthetic
+- adversarial-testing
+extra_gated_prompt: >-
+  This repository is a synthetic security-test artifact from the Layerfault
+  corpus. It intentionally contains adversarial characteristics (e.g.
+  suspicious pickle opcodes, executable-format smuggling, prompt-injection
+  strings) designed to exercise security scanner detection rules. It is
+  **not** a usable ML model and must never be loaded or executed outside an
+  isolated scanner-testing environment. By accepting, you confirm you
+  understand this repository is a test fixture, not production model
+  weights.
+extra_gated_button_content: I understand this is a security test fixture and accept the risk
+gated: auto
+---
+
+# correlation-dependency-loader-chain
+
+> **SECURITY TEST ARTIFACT: DO NOT USE AS A PRODUCTION MODEL**
+
+This repository is part of the Layerfault synthetic security corpus.
+It is deliberately constructed to contain security-relevant characteristics for scanner testing.
+
+**Corpus ID:** `LF-CH-CORR-0008`
+
+## Purpose
+
+Correlation dependency loader chain.
+
+## Direct expected Layerfault rules
+
+- None; this repository is a control/comparison input.
+
+## Candidate rules
+
+These are deliberately plausible targets that remain marked as candidates until the exact
+Layerfault build used for certification confirms them.
+
+- None
+
+## Negative-control rules
+
+These should remain silent for this corpus item.
+
+- None
+
+## Safety
+
+The corpus uses fake secrets, loopback/`.invalid` network destinations, harmless marker output,
+and synthetic model behavior only. It is intended for static scanning and isolated security testing.
+
+## Challenge classification
+
+- Severity: **medium**
+- Difficulty: **hard**
+- Expected admission decision: **BLOCK**
+- Control type: **positive**
+- Attack surface: cross-file-correlation
+- Techniques: dependency, correlation
+- Transformations: none
+
+### Ground-truth oracle IDs
+
+- `LF-ORACLE-CORR-0008`
+
+These oracle IDs describe synthetic ground truth. They do not claim that a
+matching Layerfault detector already exists. A challenge may intentionally expose
+a scanner blind spot and remain unmapped until the detector is implemented.

SHA256SUMS.json

@@ -0,0 +1,37 @@
+[
+  {
+    "path": "CHALLENGE_ORACLE.json",
+    "sha256": "f763f423e29d802af6befb4ebea27d61bc9cd7d01afd27271424a4558e9deec3",
+    "size": 612
+  },
+  {
+    "path": "FIXTURE_LAYOUT.json",
+    "sha256": "e04d8a3494c36fa9b4416199f63faa496b0b40316b9563b6172101b10cd6f8ee",
+    "size": 259
+  },
+  {
+    "path": "LAYERFAULT_CORPUS.json",
+    "sha256": "512f58fa04eedca054ba414652e41ca2792975d496c993672fed5c4afd0710c6",
+    "size": 852
+  },
+  {
+    "path": "README.md",
+    "sha256": "641363ed586945e2041a2701dc22c7a678834edecdace75b3cf4d8d8036bd4cf",
+    "size": 2217
+  },
+  {
+    "path": "config.json",
+    "sha256": "b0c27487eed1c2379c83f79ccf73b17d8d4290ad59862a13a6be9f393170f171",
+    "size": 65
+  },
+  {
+    "path": "requirements.txt",
+    "sha256": "28c1057664efdd3d5901f6b91f4d96a3c3d21c986b9f856c5782df75f749662a",
+    "size": 77
+  },
+  {
+    "path": "src/loader.py",
+    "sha256": "bc443116f866f4b994ebad291d23311af778b9ade05d67b1b43e11d9545d64b7",
+    "size": 37
+  }
+]

config.json

@@ -0,0 +1,4 @@
+{
+  "model_type": "layerfault_fixture",
+  "safe_fixture": true
+}

requirements.txt

@@ -0,0 +1,2 @@
+fixture-lib==1.0.0
+--extra-index-url https://packages.fixture.invalid/simple

src/loader.py

@@ -0,0 +1,2 @@
+import fixture_lib
+class Model: pass