bigops-products-travel

{"modified":"2026-08-05T15:34:21Z","published":"2026-08-05T15:34:21Z","schema_version":"1.7.4","id":"MAL-2026-13247","summary":"Malicious code in bigops-products-travel (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (91399b954849c3483787f47cb7a54ed5784aba889c1ccafc13ff2f037b21af64)\nOn require of the package's main entry, _loader.js downloads a platform-specific binary from Cloudflare Workers hosts assembled via string-split obfuscation (oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev, oob-worker.cf102-baf.workers.dev, oob-worker.cf99-9b3.workers.dev), with a DNS TXT-record fallback channel over sdk.dl.wel1.ru, ext.dl.wel1.ru, pkg.dl.wel1.ru, and net.dl.wel1.ru that reconstructs a base64 payload from numbered subdomains. The fetched bytes are written to a disguised path (.cache_<hex> on Unix, dotnet_diag_<hex>.exe on Windows), chmod 0755, and spawned detached via /bin/sh -c '<file> &' or cmd.exe /c start /b. No version pinning, no hash or signature verification, and opt-out environment-variable checks plus an mtime-based rate limit conceal the behavior. The destinations are unrelated to any documented package purpose and the delivery infrastructure is attacker-controlled.\n","affected":[{"package":{"ecosystem":"npm","name":"bigops-products-travel"},"versions":["35.7.1"],"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":"_loader.js","sha256":"ef2f336f945e7e26e1e2ab2fc0789756fa7be2b858db2ba2205c0195733945e1","tlsh":"b2a1759616a670188bb0dbe4c71b5415f66be6633680c684fb9c69941f7212883b2efc"}],"package_integrity":[{"filename":"bigops-products-travel-35.7.1.tgz","hashes":{"sha1":"7eaf136bb6549a1b498bf62fd722fb4b545a2ca6","sha512_sri":"sha512-OyfQtF7Vlre3HxHRhWE7lqFPQ6fmf6Tun9V+jfMDIAMThR1uDVy+1ZzCT8GsX2o72WkLQgdSHjcbLesX2Ltheg=="}}]}}}],"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/bigops-products-travel/v/35.7.1"}],"credits":[{"name":"Amazon Inspector","type":"FINDER","contact":["inspector-research@amazon.com"]}],"database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-015750","import_time":"2026-08-05T16:13:39.947210444Z","modified_time":"2026-08-05T15:34:21Z","sha256":"91399b954849c3483787f47cb7a54ed5784aba889c1ccafc13ff2f037b21af64","source":"amazon-inspector","versions":["35.7.1"]}]}}