{"id":"MAL-2026-13577","summary":"Malicious code in dolyame-ui-inputdate (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (338935a6ea459d3f1882101939a348b871a9cf59d49003f5e04eb65afd60c484)\nOn require()/import, index.js loads./_ext.js which selects a platform-specific remote endpoint, downloads an opaque binary via HTTPS from string-split-obfuscated Cloudflare Workers hosts (oob-worker.cf103-070.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev), with a base64-over-DNS-TXT fallback channel across sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru. The downloaded bytes are written to a hidden temp file (.cache_\u003crand\u003e / dotnet_diag_\u003crand\u003e.exe), chmod 0755, and spawned detached via /bin/sh -c or cmd. Hostname reconstruction from split-string arrays and the DNS covert-channel fallback demonstrate deliberate evasion. The package's stated purpose ('API client wrappers') does not correspond to any of this behavior.\n","modified":"2026-08-07T13:20:42.149918062Z","published":"2026-08-07T12:35:58Z","database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-017045","import_time":"2026-08-07T12:51:23.689822118Z","modified_time":"2026-08-07T12:35:58Z","sha256":"338935a6ea459d3f1882101939a348b871a9cf59d49003f5e04eb65afd60c484","source":"amazon-inspector","versions":["35.8.1"]}]},"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/dolyame-ui-inputdate/v/35.8.1"}],"affected":[{"package":{"name":"dolyame-ui-inputdate","ecosystem":"npm","purl":"pkg:npm/dolyame-ui-inputdate"},"versions":["35.8.1"],"database_specific":{"cwes":[{"description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code","cweId":"CWE-506"}],"indicators":{"evidence_files":[{"tlsh":"92a1945916fa301507a2e5d8891f881a719ef99332c4d8d8fb4c6a948f96138c3f29fd","path":"_ext.js","sha256":"f6693cf04ead0ffc0844db6ab84a3bbc9f5a00046a7f7341837e32ebcd0fdeb9"}],"package_integrity":[{"filename":"dolyame-ui-inputdate-35.8.1.tgz","hashes":{"sha1":"a25c59f82de6f58014544923916614d10c135993","sha512_sri":"sha512-o6iBN06XsPjYP+3NDVh20o0A2H4wo267TaBm2DBhQC9Fwo9rGQzeHjAa6vs7L13YrNM1egdP3l1+nylbaUC4hA=="}}]},"source":"https://github.com/ossf/malicious-packages/blob/main/osv/malicious/npm/dolyame-ui-inputdate/MAL-2026-13577.json"}}],"schema_version":"1.8.0","credits":[{"name":"Amazon Inspector","contact":["inspector-research@amazon.com"],"type":"FINDER"}]}