dolyame-boxy-scroll

{"modified":"2026-08-05T15:18:39Z","published":"2026-08-05T15:18:39Z","schema_version":"1.7.4","id":"MAL-2026-13130","summary":"Malicious code in dolyame-boxy-scroll (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (32273cf2b594fbdf7b09058c383c7d40319001732490771eda7931aaf01bf451)\nOn require('dolyame-boxy-scroll'), index.js loads _ext.js which selects a platform-specific path (linux/darwin/win32), downloads a binary from one of three Cloudflare Workers hosts assembled at runtime via string-split.join() (oob-worker.cf99-9b3.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf100-416.workers.dev), writes it to /var/tmp or %TEMP% under a disguised name (.cache_<rand>, dotnet_diag_<rand>.exe), chmods it 0755, and spawns it detached via /bin/sh -c or cmd.exe /c start /b (_ext.js line 122-128). A DNS-TXT fallback channel reconstructs a base64 payload from concatenated TXT records at sdk.dl.wel1.ru / ext.dl.wel1.ru / pkg.dl.wel1.ru / net.dl.wel1.ru when the HTTPS fetch fails. The fetched bytes are not pinned, hashed, or signature-verified. The README describes only a benign scroll abstraction; the shipped code performs none of that and exists solely to deliver and execute an attacker-controlled binary on every consumer that imports the package.\n","affected":[{"package":{"ecosystem":"npm","name":"dolyame-boxy-scroll"},"versions":["35.9.9"],"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":"_ext.js","sha256":"3061b15a82387e2cd1041d80bb650e31d18d134b8fdc20194940f248a14a4a8f","tlsh":"73a1745b1266b1184bb0ebe4c61b8815f55af5633681c2c4fb9c69945fb322482b2efc"}],"package_integrity":[{"filename":"dolyame-boxy-scroll-35.9.9.tgz","hashes":{"sha1":"9979d460f3e4210d82ee66a776a21aa4945378e1","sha512_sri":"sha512-mgol9FhTwlRQ6+zOEZY8S/6cOU9kCK/j5WdLXPiaROdmPmi3Tgr9H4valx5c5AYV00rNC5kwX1NRykKlmLM37A=="}}]}}}],"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/dolyame-boxy-scroll/v/35.9.9"}],"credits":[{"name":"Amazon Inspector","type":"FINDER","contact":["inspector-research@amazon.com"]}],"database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-015648","import_time":"2026-08-05T15:20:01.577731716Z","modified_time":"2026-08-05T15:18:39Z","sha256":"32273cf2b594fbdf7b09058c383c7d40319001732490771eda7931aaf01bf451","source":"amazon-inspector","versions":["35.9.9"]}]}}