registry / Remote code execution / bigops-api
bigops-api
REST client wrapper
This report shows the evidence for bigops-api@35.8.8. 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: fetched executable bytes are launched without validation. Lack of an install hook does not mitigate the reachable runtime execution.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review
Trigger
Runtime import/require of bigops-api.
Impact
Unconsented arbitrary native code execution under the consuming process user.
Mechanism
Remote binary download, temp-file drop, chmod, and detached shell execution.
Attack narrative
The declared entrypoint silently requires _compat.js. Its immediately invoked main function retrieves a payload from obfuscated remote hosts or DNS TXT records, writes it to /var/tmp or a Windows temp directory, marks non-Windows payloads executable, and starts them detached via /bin/sh or cmd.exe. The payload is neither authenticated nor package-aligned.
AI rationale
This is a concrete import-time remote-code-execution chain, not ordinary telemetry: fetched executable bytes are launched without validation. Lack of an install hook does not mitigate the reachable runtime execution.
Evidence
package.jsonindex.js_compat.jslib/telemetry.js
Network endpoints8
oob-worker.cf102-baf.workers.devoob-worker.cf101-adf.workers.devoob-worker.cf103-070.workers.devoob-worker.cf99-9b3.workers.devsdk.dl.wel1.ruext.dl.wel1.rupkg.dl.wel1.runet.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 _compat.js at package import time.
- _compat.js downloads platform binaries from obfuscated Workers hosts.
- _compat.js falls back to DNS TXT payload retrieval.
- Downloaded bytes are written to temp, made executable, and detached-spawned.
- No integrity/signature validation precedes execution.
Evidence against
- package.json has no lifecycle scripts.
- lib/telemetry.js is not imported by the entrypoint.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
Source & flagged code
4 flagged · loading source_compat.jsView file
2L3: const https = require("https");
L4: const fs = require("fs");
...
L44: const MAX_AGE = 21858;
L45: const _l = (...a) => process.stderr.write("");
L46:
...
L57: const isWin = _p("platform") === "win32";
L58: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L59: 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.
_compat.jsView on unpkg · L22Trigger-reachable chain: manifest.main -> index.js -> _compat.js
L2:
L3: const https = require("https");
L4: const fs = require("fs");
...
L44: const MAX_AGE = 21858;
L45: const _l = (...a) => process.stderr.write("");
L46:
...
L57: const isWin = _p("platform") === "win32";
L58: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L59: 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.
_compat.jsView on unpkg · L2121try {
L122: const cp = require("child_process");
L123: if (isWin) {
Findings
2 Critical2 High2 Medium1 Low
CriticalDownload Execute_compat.js
CriticalTrigger Reachable Dangerous Capability_compat.js
HighChild Process_compat.js
HighKnown Malware Source Similaritylib/telemetry.js
MediumNetwork
MediumEnvironment Vars
LowFilesystem
Affected versions and remediation
This report applies to bigops-api@35.8.8.
The versions list below shows the verdict for each recorded version.
- Avoid installing bigops-api@35.8.8. 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.