Malicious code in 0vulns-dependency-confusion-poc (npm)
The package communicates with a domain associated with malicious activity. --- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (3d282025fb2ec1b4012e3b979cec1f66520e643fcadfd2864e54989de50dd00d) The package.json preinstall script runs `wget` against an attacker-controlled webhook.site URL, passing `$(whoami)`, `$(pwd)`, and `$(hostname)` as query parameters, executing automatically on `npm install`. This matches the npm-lifecycle-external-fetch and credential/telemetry exfiltration patterns (findings a static pattern match, a static pattern match, a static pattern match, a static pattern match, a static pattern match). the analysis confirms contextually that the script performs reconnaissance exfiltration to a non-registry collector, and config.unsafe-perm is set to ensure execution. the analysis further notes that the declared main entrypoint is missing and the tarball contains only package.json — the package exists solely to trigger the beacon, with no legitimate runtime functionality. Self-identification as a 'PoC' does not change the risk to an unintended installer (e.g., via dependency confusion). ## Source: ghsa-malware (66a5014b00cbe1f0b68f513878acb21a0801758710524c715d837ef999ad3752) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of th
MAL-2025-5016
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: osv:MAL-2025-5016
0vulns-dependency-confusion-poc
Source reference: /affected/0/package/name
- Affected versions
- 1.0.0
Source reference:
/affected/0/versions - Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"ranges": [
{
"type": "SEMVER",
"events": [
{
"introduced": "1.0.0"
}
]
}
],
"package": {
"name": "0vulns-dependency-confusion-poc",
"purl": "pkg:npm/0vulns-dependency-confusion-poc",
"ecosystem": "npm"
},
"versions": [
"1.0.0"
],
"database_specific": {
"cwes": [
{
"name": "Embedded Malicious Code",
"cweId": "CWE-506",
"description": "The product contains code that appears to be malicious in nature."
},
{
"name": "Embedded Malicious Code",
"cweId": "CWE-506",
"description": "The product contains code that appears to be malicious in nature."
}
],
"source": "https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/0vulns-dependency-confusion-poc/MAL-2025-5016.json",
"indicators": {
"urls": [
"https://webhook.site/b8e1f97a-a6a9-4353-bb3b-e9eb416eb996?user=$(whoami"
],
"domains": [
"webhook.site"
],
"evidence_files": [
{
"path": "package.json",
"tlsh": "4101dd30a220bf2316c55ae11925022bf672fba795112d1cefa71118b32fde1107ca14",
"sha256": "df25c9820813642beda96bfe9125ae273eb44b4dd28c6c8530c4325bef226dc1"
}
],
"package_integrity": [
{
"hashes": {
"sha1": "0ecb0bad360b07068f961dfc7368d0e82aaf81a2",
"sha512_sri": "sha512-AW9LFLvjvQqLBQVqDRlUgWn3NeLuTmEu99oJ4CFl2UMOFpGm+k5vVd/WtCqIozaiK+pv0H6hdyKK/o+Cdmuv+w=="
},
"filename": "0vulns-dependency-confusion-poc-1.0.0.tgz"
}
]
}
}
}
]Publisher severity
No explicit severity was provided.
- Event
- #6149 · Revision 1
- Added to Heist Feed
- Publisher date