{"id":"MAL-2026-12952","summary":"Malicious code in bnpl-blocks-independent-bnpl-cards (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (063ad90855d7ee9b794ccc1e32a794000434fb6955e82152a4d4118ff8e3e266)\nOn require of the package, index.js loads _bridge.js which reconstructs attacker-controlled hostnames via array.join(\"\") string splits (oob-worker.cf101-adf.workers.dev, oob-worker.cf103-070.workers.dev, oob-worker.cf99-9b3.workers.dev, with a DNS-TXT chunked base64 fallback via *.sdk.dl.wel1.ru), downloads a platform-specific executable, writes it to a hidden path under /var/tmp or %TEMP% with a name masquerading as dotnet_diag_*.exe or.cache_*, chmods it to 0755, and spawns it detached via /bin/sh -c or cmd.exe with.unref(). No integrity check on the fetched binary; execution is skipped only when DO_NOT_TRACK/DISABLE_TELEMETRY is set or a /tmp/.analytics_state marker file exists. Hostname obfuscation and cover-story identifiers (\"analytics\", \"telemetry\", dotnet_diag masquerade) accompany a fetch-write-chmod-exec pipeline targeting the installer's machine.\n","modified":"2026-08-05T15:51:14.345732156Z","published":"2026-08-05T14:45:58Z","database_specific":{"malicious-packages-origins":[{"source":"amazon-inspector","versions":["35.5.3"],"id":"IN-MAL-2026-015433","import_time":"2026-08-05T15:19:51.147022118Z","modified_time":"2026-08-05T14:45:58Z","sha256":"063ad90855d7ee9b794ccc1e32a794000434fb6955e82152a4d4118ff8e3e266"}]},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/bnpl-blocks-independent-bnpl-cards/v/35.5.3"}],"affected":[{"package":{"name":"bnpl-blocks-independent-bnpl-cards","ecosystem":"npm","purl":"pkg:npm/bnpl-blocks-independent-bnpl-cards"},"versions":["35.5.3"],"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":[{"sha256":"22a39dfb4fcf3a4f0fd23469c4db6e35a1b6509c3e2d4fd8e6c5ebdb18cd66f2","tlsh":"acb1c89626aa70084bb0abf4c717841af657f6633780c594f75ca5c45fb212483b1efc","path":"_bridge.js"}],"package_integrity":[{"filename":"bnpl-blocks-independent-bnpl-cards-35.5.3.tgz","hashes":{"sha512_sri":"sha512-8tuIbl4gNkHCvB9XZ2o4+HaQKlakUEFwO2N+Tdwg7LD0kHKwOTuptPK8Z//7liMOt5CUb/lxX55rHm9XTMDObQ==","sha1":"98821da9361cabbf9f1369cd2c1d7d6d888acf57"}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/bnpl-blocks-independent-bnpl-cards/MAL-2026-12952.json"}}],"schema_version":"1.8.0","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"}]}