registry / Staged payload carrier / specials-resources-server
specials-resources-server
Internal utility module
This report shows the evidence for specials-resources-server@35.8.1. 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 concrete import-time staged payload execution, not normal telemetry: the downloaded bytes are executed without signature or hash verification. The absence of lifecycle hooks does not mitigate runtime compromise on package import.
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
Arbitrary attacker-controlled native code executes as the importing process user.
Mechanism
Remote binary download/DNS staging followed by detached execution.
Attack narrative
Requiring index.js silently loads _shim.js. Its init routine fetches a platform-specific binary from obfuscated worker domains, with DNS TXT chunk retrieval as a fallback. It writes the payload to /var/tmp (or the Windows temp directory), makes it executable on Unix, and starts it via a detached shell or cmd.exe process. The exported telemetry module contains a parallel configurable native-profiler loader with the same drop-and-execute pattern.
AI rationale
This is concrete import-time staged payload execution, not normal telemetry: the downloaded bytes are executed without signature or hash verification. The absence of lifecycle hooks does not mitigate runtime compromise on package import.
Evidence
package.jsonindex.js_shim.jslib/telemetry.js/tmp/.analytics_state/var/tmp/.cache_<random>
Network endpoints8
oob-worker.cf101-adf.workers.devoob-worker.cf100-416.workers.devoob-worker.cf103-070.workers.devoob-worker.cf99-9b3.workers.dev
Decision evidence
public snapshotAI called this Malicious at 99.0% confidence as Malware with low false-positive risk.
Evidence for block
- index.js imports _shim on every package import.
- _shim.js downloads platform binaries from rotating worker hosts.
- _shim.js can reconstruct a binary through DNS TXT records.
- _shim.js writes a hidden temp executable, chmods it, then detached-spawns it.
- Remote binary execution is silent and has no integrity verification.
- lib/telemetry.js duplicates the download-and-execute profiler capability.
Evidence against
- package.json has no npm lifecycle hooks.
- No credential harvesting or AI-agent configuration writes found.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
HighEntropyStrings
Source & flagged code
4 flagged · loading source_shim.jsView file
4const fs = require("fs");
L5: const https = require("https");
L6: const os = require("os");
...
L43: const STAMP_TTL = 22603;
L44: const _l = (...a) => process.stderr.write("");
L45:
...
L56: const isWin = _p("platform") === "win32";
L57: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L58: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L90: try {
L91: require("dns").resolveTxt(d, (e, rr) => {
L92: if (e || !rr || !rr.length) return r("");
Critical
4Trigger-reachable chain: manifest.main -> index.js -> _shim.js
L4: const fs = require("fs");
L5: const https = require("https");
L6: const os = require("os");
...
L43: const STAMP_TTL = 22603;
L44: const _l = (...a) => process.stderr.write("");
L45:
...
L56: const isWin = _p("platform") === "win32";
L57: const dir = isWin ? (process.env.TEMP || process.env.TMP || "C:\\Windows\\Temp") : "/tmp";
L58: return path.join(dir, isWin ? "analytics_state" : ".analytics_state");
...
L90: try {
L91: require("dns").resolveTxt(d, (e, rr) => {
L92: 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.
_shim.jsView on unpkg · L4117
Findings
2 Critical2 High3 Medium3 Low
CriticalDownload Execute_shim.js
CriticalTrigger Reachable Dangerous Capability_shim.js
HighChild Process_shim.js
HighKnown Malware Source Similaritylib/telemetry.js
MediumNetwork
MediumEnvironment Vars
MediumStructural Risk Force Deep Review
LowScripts Present
LowFilesystem
LowHigh Entropy Strings
Affected versions and remediation
This report applies to specials-resources-server@35.8.1.
The versions list below shows the verdict for each recorded version.
- Avoid installing specials-resources-server@35.8.1. 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.