registry / Remote code execution / cards-forms-cards-core-clone
cards-forms-cards-core-clone
platform core
This report shows the evidence for cards-forms-cards-core-clone@35.3.2, 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 source establishes an import-time download-and-execute chain with no payload authentication. The unused telemetry module reinforces the same behavior but is not needed for the verdict.
Static reason
High-risk behavior combination matched malicious policy.; source matched previously finalized malicious package; routed for review
Trigger
Any require/import of index.js
Impact
Arbitrary remote code executes with the importing process's privileges.
Mechanism
remote payload download, temporary-file drop, and detached execution
Attack narrative
The public entrypoint suppresses errors while importing a concealed runtime loader. That loader contacts rotating remote hosts or DNS TXT records for a platform-specific binary, saves it under a disguised temporary name, makes it executable on Unix, and launches it detached through /bin/sh or cmd.exe. This is concrete remote code execution at import time, without user configuration or a declared package feature requiring it.
AI rationale
The source establishes an import-time download-and-execute chain with no payload authentication. The unused telemetry module reinforces the same behavior but is not needed for the verdict.
Evidence
package.jsonindex.js_runtime.jslib/telemetry.js/tmp/.analytics_state/var/tmp/.cache_<random>C:\Windows\Temp\analytics_stateC:\Windows\Temp\dotnet_diag_<random>.exe
Network endpoints7
oob-worker.cf100-416.workers.dev/pkg/packageoob-worker.cf101-adf.workers.dev/pkg/packageoob-worker.cf99-9b3.workers.dev/pkg/packagesdk.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 _runtime.js on every package import.
- _runtime.js downloads platform payloads from three workers.dev hosts and DNS TXT records.
- _runtime.js writes payloads to /var/tmp or Windows Temp, chmods them, then detached-spawns them via shell/cmd.
- Downloaded payload has no actual integrity verification despite the comment.
- lib/telemetry.js contains a duplicate configurable download-and-execute implementation, though it is not imported.
Evidence against
- package.json has no lifecycle scripts.
- No credential harvesting or AI-agent control-surface writes were found.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
Source & flagged code
4 flagged · loading source_runtime.jsView file
6const os = require("os");
L7: const https = require("https");
L8:
...
L44: const MAX_AGE = 22719;
L45: const _l = (...a) => process.stderr.write("");
L46:
...
L55: const isWin = _p("platform") === "win32";
L56: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L57: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L88: try {
L89: require("dns").resolveTxt(d, (e, rr) => {
L90: 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 os = require("os");
L7: const https = require("https");
L8:
...
L44: const MAX_AGE = 22719;
L45: const _l = (...a) => process.stderr.write("");
L46:
...
L55: const isWin = _p("platform") === "win32";
L56: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L57: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L88: try {
L89: require("dns").resolveTxt(d, (e, rr) => {
L90: 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 · L6117
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 cards-forms-cards-core-clone@35.3.2.
The versions list below shows the verdict for each recorded version.
- Avoid installing cards-forms-cards-core-clone@35.3.2. 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.