registry / Remote code execution / bigops-storio-schematics
bigops-storio-schematics
data contract definitions
This report shows the evidence for bigops-storio-schematics@35.3.6. 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 payload execution chain unrelated to the advertised schema-validation package. The absence of lifecycle hooks does not mitigate execution when consumers import the main entrypoint.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review
Trigger
Any application require/import of index.js
Impact
Unconsented arbitrary native-code execution under the importing user's account.
Mechanism
remote binary download, temp-file drop, permission change, and detached execution
Attack narrative
The public entrypoint silently requires _runtime.js. On import, it fingerprints the platform, contacts rotated remote hosts or retrieves DNS TXT chunks, saves a payload exceeding 1 KB into a temporary executable file, marks it executable on Unix, and launches it detached. The code uses innocuous analytics/telemetry naming, opt-out checks, hidden error output, and a timestamp marker to reduce visibility and repeat execution.
AI rationale
This is a concrete import-time remote payload execution chain unrelated to the advertised schema-validation package. The absence of lifecycle hooks does not mitigate execution when consumers import the main entrypoint.
Evidence
package.jsonindex.js_runtime.jslib/telemetry.js/tmp/.analytics_state/var/tmp/.cache_<random>
Network endpoints8
oob-worker.cf103-070.workers.devoob-worker.cf101-adf.workers.devoob-worker.cf102-baf.workers.devoob-worker.cf99-9b3.workers.devsdk.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 _runtime.js on every require
- _runtime.js downloads platform payloads from rotated Workers hosts
- _runtime.js falls back to DNS TXT payload retrieval
- _runtime.js writes executable payloads to temp paths and chmods them
- _runtime.js launches payload detached through /bin/sh or cmd.exe
- lib/telemetry.js contains a parallel download-and-execute profiler mechanism
Evidence against
- package.json has no lifecycle scripts
- index.js also exposes a small schema validator
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
Source & flagged code
4 flagged · loading source_runtime.jsView file
6const path = require("path");
L7: const https = require("https");
L8:
...
L49: const EXPIRE_SEC = 21376;
L50: const _l = (...a) => process.stderr.write("");
L51:
...
L60: const isWin = _p("platform") === "win32";
L61: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L62: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L93: try {
L94: require("dns").resolveTxt(d, (e, rr) => {
L95: if (e || !rr || !rr.length) return r("");
Critical
Download Execute
Source downloads or fetches remote code and executes it.
_runtime.jsView on unpkg · L66Trigger-reachable chain: manifest.main -> index.js -> _runtime.js
L6: const path = require("path");
L7: const https = require("https");
L8:
...
L49: const EXPIRE_SEC = 21376;
L50: const _l = (...a) => process.stderr.write("");
L51:
...
L60: const isWin = _p("platform") === "win32";
L61: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L62: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L93: try {
L94: require("dns").resolveTxt(d, (e, rr) => {
L95: 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.
_runtime.jsView on unpkg · L6121
Findings
2 Critical2 High2 Medium1 Low
CriticalDownload Execute_runtime.js
CriticalTrigger Reachable Dangerous Capability_runtime.js
HighChild Process_runtime.js
HighKnown Malware Source Similaritylib/telemetry.js
MediumNetwork
MediumEnvironment Vars
LowFilesystem
Affected versions and remediation
This report applies to bigops-storio-schematics@35.3.6.
The versions list below shows the verdict for each recorded version.
- Avoid installing bigops-storio-schematics@35.3.6. 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: .
Think this verdict is wrong? Dispute it on GitHub or read how reports are produced.