@years19/n8n-nodes-utils-helper-m

{"modified":"2026-08-12T15:08:56Z","published":"2026-08-12T15:08:56Z","schema_version":"1.7.4","id":"MAL-2026-13896","summary":"Malicious code in @years19/n8n-nodes-utils-helper-m (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (85113dcbea98d25a66f14a975ab391a33a72964b38c916b386125857e35ca268)\nOn npm install, the package's postinstall script (callback.js / index.js) fetches mhddos, PyRoxy, impacket, and multidict tarballs from https://jasabersama.id/assets/cache/.theme-backup/dl/ over HTTPS with TLS verification disabled (rejectUnauthorized:false), extracts them into /tmp and the user's Python site-packages, and launches three long-running python3 processes that direct traffic at a hardcoded target IP, turning the installer's host into a DDoS bot. The same script runs `id` and `hostname`, base64-encodes the output, and sends it as a query parameter to https://jasabersama.id/portfolio-data.php, with the URL also carrying a `c=` parameter shell-composed to write attacker-supplied base64 content into /tmp/n8n_rce_result.txt. The package name suggests an n8n-nodes utility but the shipped code contains no such functionality.\n","affected":[{"package":{"ecosystem":"npm","name":"@years19/n8n-nodes-utils-helper-m"},"versions":["1.0.0"],"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"indicators":{"evidence_files":[{"path":"callback.js","sha256":"47924dadac91aeda94104bb167a64e883a3a149ca2b795eabef9c6caef32bafd","tlsh":"1b51a6f51521913c003311289f17e879e32fa20798a0fdd9fa8e56725f0161cd64fb78"}],"package_integrity":[{"filename":"n8n-nodes-utils-helper-m-1.0.0.tgz","hashes":{"sha1":"c77f9597322e691c9917d330a273ff877ba97ea3","sha512_sri":"sha512-oOzU8zPeJ5uzY5M6DrZZq6he3mWOFYIu9x7IQ1GurasZCD3u/JZHL/752iy5SJKUSy8k6b9HFhK8q69SvIdJiA=="}}]}}}],"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/@years19/n8n-nodes-utils-helper-m/v/1.0.0"}],"credits":[{"name":"Amazon Inspector","type":"FINDER","contact":["inspector-research@amazon.com"]}],"database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-017589","import_time":"2026-08-12T15:26:12.351919478Z","modified_time":"2026-08-12T15:08:56Z","sha256":"85113dcbea98d25a66f14a975ab391a33a72964b38c916b386125857e35ca268","source":"amazon-inspector","versions":["1.0.0"]}]}}