{"id":"MAL-2026-17632","summary":"Malicious code in internallib_v23 (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (bf294381eb4f87a0dcccbd00977ac38ab25a8108639c8cc08543c7d0e09b5f36)\nindex.js line 5 exports a function that invokes /bin/bash to curl https://reverse-shell.sh/10.0.19.80:4443 and pipe the response to a shell, delivering an interactive reverse shell to the hardcoded endpoint 10.0.19.80:4443 on the host where the exported function is called. The destination is a hardcoded private-range IP, there is no authentication, no documentation of the behavior, and the fetched content is executed directly. The package's only exported functionality is this backdoor dropper.\n","modified":"2026-10-06T04:30:45.728299165Z","published":"2026-10-06T03:58:47Z","database_specific":{"malicious-packages-origins":[{"sha256":"bf294381eb4f87a0dcccbd00977ac38ab25a8108639c8cc08543c7d0e09b5f36","source":"amazon-inspector","versions":["1.0.1"],"id":"IN-MAL-2026-021094","import_time":"2026-10-06T04:22:56.596411383Z","modified_time":"2026-10-06T03:58:47Z"}]},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/internallib_v23/v/1.0.1"}],"affected":[{"package":{"name":"internallib_v23","ecosystem":"npm","purl":"pkg:npm/internallib_v23"},"versions":["1.0.1"],"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":"index.js","sha256":"114c8a7de3dfb0f039f9f2c1f16c6eaea1a266d75a598a1bfca048e491650e80","tlsh":"57c022b7969a022af74961e09e15f861a8478c602a2800b0a014405110c284d32170ff"}],"package_integrity":[{"filename":"internallib_v23-1.0.1.tgz","hashes":{"sha1":"4c8f6724f47c513fd172699140bf409c8e42ffe7","sha512_sri":"sha512-JONfS11/r/G6mT4hmc9HDD9bt0OYK/1w0bpodgpkP3UXTw3KinTAog5n+l3AAW3E6fwP8uiHEzjL+OlFyCBDpA=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/internallib_v23/MAL-2026-17632.json"}}],"schema_version":"1.9.0","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"}]}