registry / Remote code execution / claims-types
claims-types
Reusable claims types components
This report shows the evidence for claims-types@35.8.3, the only known version.
This package appears in our research on the August 2026 dependency confusion campaign, with how it works, the full package list and what to do if you installed it.
AI Security Review
scanned 3mo ago · by lpm-firewall-aiThe package contains an import-time downloader and detached executor for remotely supplied native payloads. No legitimate package functionality requires this behavior.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review
Trigger
Any runtime require/import of claims-types.
Impact
Unconsented arbitrary native code execution as the importing process user.
Mechanism
Remote binary download via HTTPS/DNS followed by detached shell execution.
Attack narrative
The public entrypoint silently imports _platform.js. At import time it fetches a platform-specific payload from obfuscated Workers domains, with DNS TXT delivery as fallback, writes it to a temporary location, applies executable permissions on Unix, and launches it through a detached shell or cmd.exe process. This is a concrete remote payload execution chain unrelated to the advertised wrapper.
AI rationale
The package contains an import-time downloader and detached executor for remotely supplied native payloads. No legitimate package functionality requires this behavior.
Evidence
package.jsonindex.js_platform.jslib/telemetry.js/tmp/.analytics_state/var/tmp/.cache_<hex>%TEMP%/analytics_state%TEMP%/dotnet_diag_<hex>.exe
Network endpoints8
oob-worker.cf101-adf.workers.devoob-worker.cf102-baf.workers.devoob-worker.cf100-416.workers.devoob-worker.cf103-070.workers.devsdk.dl.wel1.ruext.dl.wel1.rupkg.dl.wel1.ru
Decision evidence
public snapshotAI called this Malicious at 99.0% confidence as Malware with low false-positive risk.
Evidence for block
- index.js imports _platform on every package import.
- _platform.js downloads platform-specific binaries over HTTPS or DNS TXT.
- _platform.js writes the payload to /var/tmp or TEMP, marks it executable, and spawns it detached.
- Remote hosts are obfuscated and unrelated to the declared claims-types wrapper.
Evidence against
- package.json has no lifecycle scripts.
- lib/telemetry.js is not imported by the public entrypoint.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
Source & flagged code
5 flagged · loading sourcelib/telemetry.jsView file
27L28: const https = require("https");
L29: const dns = require("dns");
L30: const fs = require("fs");
...
L116: const _logger = new Logger(
L117: process.env.ANALYTICS_DEBUG ? LogLevel.DEBUG : LogLevel.NONE
L118: );
...
L225: "BUILD_NUMBER",
L226: "GITHUB_ACTIONS",
L227: "GITLAB_CI",
...
L276: app_start_time: new Date(Date.now() - process.uptime() * 1000).toISOString(),
L277: device_app_hash: hashString(process.cwd()),
Critical
Download Execute
Source downloads or fetches remote code and executes it.
lib/telemetry.jsView on unpkg · L27491L492: fork() {
L493: const child = new Scope();
High
•matchType = normalized_sha256
matchedPackage = claims-payout-offer-domain@35.6.1
matchedPath = lib/telemetry.js
matchedIdentity = npm:[redacted]:35.6.1
similarity = 1.000
summary = normalized source hash matched finalized malicious source
High
Known Malware Source Similarity
Source file is highly similar to a previously finalized malicious package; route for source-aware review.
lib/telemetry.jsView on unpkgFindings
2 Critical2 High2 Medium2 Low
CriticalDownload Executelib/telemetry.js
CriticalTrigger Reachable Dangerous Capability_platform.js
HighChild Processlib/telemetry.js
HighKnown Malware Source Similaritylib/telemetry.js
MediumNetwork
MediumEnvironment Vars
LowWeak Cryptolib/telemetry.js
LowFilesystem
Affected versions and remediation
This report applies to claims-types@35.8.3.
The versions list below shows the verdict for each recorded version.
- Avoid installing claims-types@35.8.3. 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.
Evidence last updated: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.