-= Per source details. Do not edit below this line.=-
On npm install, the package's postinstall script executes index.js, which collects host identifiers (os.hostname(), os.userInfo().username, os.homedir(), process.cwd(), os.platform(), os.arch(), and selected environment variables) and POSTs them as JSON to a hardcoded webhook.site collection URL (https://webhook.site/42ce0f0e-a0a0-41b5-b157-1c0f918e064f). On network error, the code falls back to a DNS callback against an interactsh-style subdomain at 2b22ede784d5.oast.fun. Package metadata (name twilio-functions mimicking the Twilio SDK namespace, version 99.99.99, empty description) is consistent with a typosquat / dependency-confusion lure whose only on-install effect is the outbound reconnaissance beacon.
{
"malicious-packages-origins": [
{
"modified_time": "2026-08-05T13:11:02Z",
"source": "amazon-inspector",
"id": "IN-MAL-2026-014915",
"import_time": "2026-08-05T14:19:42.628789599Z",
"sha256": "ea71d301e90ede6f86f259e827a1cb61ad0b4b0166b70281bdf7896f726eea31",
"versions": [
"99.99.99"
]
}
]
}{
"package_integrity": [
{
"filename": "twilio-functions-99.99.99.tgz",
"hashes": {
"sha512_sri": "sha512-b468EPjrUHXVNIkPHEef4XKI5Xv1d933KY84TX9SIwYhLcvgJMnqO4oQeffvgQGco2DCYRwgeSdNInBgtxzHuw==",
"sha1": "543b7139fd01197a8dc029adecfefafc0c110763"
}
}
],
"evidence_files": [
{
"tlsh": "5f1148f553f5ad700bb59384b18aac1553b3f01473079cf099d851652bd827425f26f9",
"sha256": "1e53f49081bcfa36cb83abaa9fcfdec5b1ef99d515f40a766b0de9e1e5d03f09",
"path": "index.js"
},
{
"tlsh": "7bc08c342c21a72334ca0aaa08bb944922b24d2f410464080783245095a827748ff30d",
"sha256": "bd5fcdfd18f721bb979b46956e7270f5af7f20f2c1dc7e0bd11d985005eae692",
"path": "package.json"
}
]
}
"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/twilio-functions/MAL-2026-12813.json"
[
{
"cweId": "CWE-506",
"description": "The product contains code that appears to be malicious in nature.",
"name": "Embedded Malicious Code"
}
]