devplatform-spa-plugin-ability

{"modified":"2026-08-05T13:43:14Z","published":"2026-08-05T13:43:14Z","schema_version":"1.7.4","id":"MAL-2026-12759","summary":"Malicious code in devplatform-spa-plugin-ability (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (c9753b327ec0ed7c7cf204951dd0c1db47db31c79fde8ffad042e8658bb0dc81)\nOn require of the package, index.js loads _bootstrap.js which downloads a platform-specific native binary from anonymous Cloudflare Workers hosts (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 covert-channel fallback under *.dl.wel1.ru (chunk count in c.<domain>, N shards concatenated and base64-decoded into an executable buffer). Hostnames are assembled at runtime by joining split string fragments (e.g. [\"oob-worker.cf102-baf.worke\",\"rs.d\",\"ev\"].join(\"\")). The fetched binary is written to disguised paths (/var/tmp/.cache_<hex>, %TEMP%\\dotnet_diag_<hex>.exe, /pkg/package.exe|-arm64|loader_mac), chmod 0755, and spawned detached via /bin/sh -c or cmd /c start with no hash or signature verification. A lib/telemetry.js decoy file and an.analytics_state rate-limit stamp plus DISABLE_TELEMETRY/ANALYTICS_OPT_OUT/DO_NOT_TRACK env-var gates provide cover-story framing; the delivered payload is unrelated to the package's stated purpose (an \"SPA plugin ability SDK\"). Installing or requiring this package executes attacker-controlled code on the installer host.\n","affected":[{"package":{"ecosystem":"npm","name":"devplatform-spa-plugin-ability"},"versions":["35.5.2"],"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":"_bootstrap.js","sha256":"c52f2213a5e72bc98e7d70fc20fa4c029bc7492dfa3c6b8d7332e7819684d90e","tlsh":"d9b176aa05a670194bb0d7e4c61b6416f65af6633380c194f79ca9881ff6124c2f2efc"}],"package_integrity":[{"filename":"devplatform-spa-plugin-ability-35.5.2.tgz","hashes":{"sha1":"322cf7b3ad4d51546c22d3065961d8a4ff2558c1","sha512_sri":"sha512-nsZMI+dANPZ0LLcdN265FMNUDo79O8Bt2atZ9D99Ms0vjj/T6Z67CoouYQrhjKz7IkZSbW0ZRQ721qPDlcNG8A=="}}]}}}],"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/devplatform-spa-plugin-ability/v/35.5.2"}],"credits":[{"name":"Amazon Inspector","type":"FINDER","contact":["inspector-research@amazon.com"]}],"database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-015012","import_time":"2026-08-05T14:19:52.539492815Z","modified_time":"2026-08-05T13:43:14Z","sha256":"c9753b327ec0ed7c7cf204951dd0c1db47db31c79fde8ffad042e8658bb0dc81","source":"amazon-inspector","versions":["35.5.2"]}]}}