registry / Remote code execution / ded-aa-liza-ded-aa-liza-core
ded-aa-liza-ded-aa-liza-core
foundational types
This report shows the evidence for ded-aa-liza-ded-aa-liza-core@35.2.5, 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-aiThis is concrete import-time staged payload execution, not legitimate telemetry: the package advertises only foundational types and exposes no related user-invoked feature.
Static reason
High-risk behavior combination matched malicious policy.
Trigger
Any runtime require/import of index.js.
Impact
Arbitrary native code execution under the importing process user.
Mechanism
Remote payload download, temporary-file drop, chmod, and detached shell execution.
Attack narrative
Requiring index.js silently loads _ext.js. Its immediately invoked main function fetches a platform-specific payload from rotating hosts, or reconstructs one from DNS TXT records. If the payload is sufficiently large, it is written to a temporary executable path, marked executable on Unix, and launched detached through /bin/sh or cmd.exe. The same pattern is duplicated in the unused telemetry module.
AI rationale
This is concrete import-time staged payload execution, not legitimate telemetry: the package advertises only foundational types and exposes no related user-invoked feature.
Evidence
package.jsonindex.js_ext.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.cf103-070.workers.dev/pkg/packageoob-worker.cf99-9b3.workers.dev/pkg/packageoob-worker.cf100-416.workers.dev/pkg/packagesdk.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 ./_ext during every package import.
- _ext.js downloads platform payloads, including DNS TXT fallback, then writes and starts them detached.
- Remote payload sources are obfuscated workers.dev hosts and dl.wel1.ru DNS domains.
- Payload execution is hidden: errors are swallowed and stderr output is suppressed.
Evidence against
- package.json has no lifecycle scripts.
- No credential harvesting or outbound upload is present in the entrypoint chain.
Behavioral surface
ChildProcessCryptoEnvironmentVarsFilesystemNetwork
Source & flagged code
3 flagged · loading source_ext.jsView file
2L3: const https = require("https");
L4: const path = require("path");
...
L48: const STAMP_TTL = 22764;
L49: const _l = (...a) => process.stderr.write("");
L50:
...
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
2Trigger-reachable chain: manifest.main -> index.js -> _ext.js
L2:
L3: const https = require("https");
L4: const path = require("path");
...
L48: const STAMP_TTL = 22764;
L49: const _l = (...a) => process.stderr.write("");
L50:
...
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.
_ext.jsView on unpkg · L2122try {
L123: const cp = require("child_process");
L124: if (isWin) {
Findings
2 Critical1 High2 Medium1 Low
CriticalDownload Execute_ext.js
CriticalTrigger Reachable Dangerous Capability_ext.js
HighChild Process_ext.js
MediumNetwork
MediumEnvironment Vars
LowFilesystem
Affected versions and remediation
This report applies to ded-aa-liza-ded-aa-liza-core@35.2.5.
The versions list below shows the verdict for each recorded version.
- Avoid installing ded-aa-liza-ded-aa-liza-core@35.2.5. 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.