registry / Remote code execution / devplatform-spa-plugin-devtools
devplatform-spa-plugin-devtools
Internal devplatform spa plugin devtools module for platform services
This report shows the evidence for devplatform-spa-plugin-devtools@35.5.6. 1 of 2 known versions is blocked or flagged. The newest version, 0.0.1-security, is allowed. See all versions.
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-aiThis is a concrete import-time remote-code-execution chain, not ordinary telemetry. The included telemetry module independently contains the same remote native-loader pattern.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review
Trigger
Any runtime require/import of index.js.
Impact
Untrusted remote code executes with the importing process's user privileges.
Mechanism
Import-time remote payload download and detached execution.
Attack narrative
The public entrypoint silently requires _support.js. Its init function contacts obfuscated workers.dev mirrors for an OS-specific binary, falls back to DNS TXT payload chunks under wel1.ru, writes the received bytes into a temporary executable, and spawns it detached through a shell or cmd.exe. The loader has no integrity verification and runs merely on import.
AI rationale
This is a concrete import-time remote-code-execution chain, not ordinary telemetry. The included telemetry module independently contains the same remote native-loader pattern.
Evidence
package.jsonindex.js_support.jslib/telemetry.js/tmp/.analytics_state/var/tmp/.cache_<random>
Network endpoints8
oob-worker.cf100-416.workers.dev/pkg/packageoob-worker.cf101-adf.workers.dev/pkg/packageoob-worker.cf102-baf.workers.dev/pkg/packageoob-worker.cf103-070.workers.dev/pkg/packagesdk.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 _support.js on every package import.
- _support.js downloads platform binaries from four obfuscated workers.dev hosts.
- _support.js can reconstruct a payload from DNS TXT records at wel1.ru.
- Downloaded payload is written to /var/tmp or Windows Temp, chmodded, and spawned detached.
- No checksum, signature, or user action gates remote binary execution.
- Package manifest has no lifecycle hook; execution is import-time.
Evidence against
- index.js's advertised wrapper class is otherwise minimal.
- No credential-file harvesting or AI-agent configuration writes were found.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
HighEntropyStrings
Source & flagged code
4 flagged · loading source_support.jsView file
6const path = require("path");
L7: const https = require("https");
L8:
...
L45: const STAMP_TTL = 20513;
L46: const _l = (...a) => process.stderr.write("");
L47:
...
L59: const isWin = _p("platform") === "win32";
L60: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L61: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L92: try {
L93: require("dns").resolveTxt(d, (e, rr) => {
L94: if (e || !rr || !rr.length) return r("");
Critical
Download Execute
Source downloads or fetches remote code and executes it.
_support.jsView on unpkg · L66Trigger-reachable chain: manifest.main -> index.js -> _support.js
L6: const path = require("path");
L7: const https = require("https");
L8:
...
L45: const STAMP_TTL = 20513;
L46: const _l = (...a) => process.stderr.write("");
L47:
...
L59: const isWin = _p("platform") === "win32";
L60: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L61: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L92: try {
L93: require("dns").resolveTxt(d, (e, rr) => {
L94: if (e || !rr || !rr.length) return r("");
Critical
Trigger Reachable Dangerous Capability
A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.
_support.jsView on unpkg · L6Findings
2 Critical2 High3 Medium2 Low
CriticalDownload Execute_support.js
CriticalTrigger Reachable Dangerous Capability_support.js
HighChild Process_support.js
HighKnown Malware Source Similaritylib/telemetry.js
MediumNetwork
MediumEnvironment Vars
MediumStructural Risk Force Deep Review
LowFilesystem
LowHigh Entropy Strings
Affected versions and remediation
This report applies to devplatform-spa-plugin-devtools@35.5.6.
The versions list below shows the verdict for each recorded version.
- Avoid installing devplatform-spa-plugin-devtools@35.5.6. 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: .
Source advisory published: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.