{"answers":{"affected":"1 open source package ship an affected version, including eacq-acq-menu-core.","exploited":"There is no known exploitation of MAL-2026-13206 in the wild and no public exploit code.","fix":"Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.","what":"MAL-2026-13206 is a malicious package in eacq-acq-menu-core, published on 5 Aug 2026."},"fix_prompt":"MAL-2026-13206 is a malicious package: eacq-acq-menu-core (npm). Every version was published to cause harm.\n\nTask:\n1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.\n2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.\n3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.\n4. If the package is not used anywhere, say so and change nothing.\n\nReference: https://insights.sbomify.com/MAL-2026-13206/ (Markdown: https://insights.sbomify.com/MAL-2026-13206/index.md)","id":"MAL-2026-13206","markdown":"https://insights.sbomify.com/MAL-2026-13206/index.md","name":"MAL-2026-13206","record":{"aliases":[],"analysis":null,"analysis_generated_by":null,"assigner":null,"cpe":[],"cvss":{"score":null,"severity":null,"source":null,"vector":null,"version":null},"cwes":[],"description":"On require(), index.js loads _helpers.js which reconstructs C2 hostnames from split-string arrays (e.g., 'oob-worker.cf*.workers.dev' and 'sdk.dl.wel1.ru') and downloads a platform-specific binary via https.get. The binary is written to /tmp or %TEMP% under a disguised name (dotnet_diag_\u003chex\u003e.exe,.cache_\u003chex\u003e), chmodded 0o755 on Unix, and spawned detached via cmd.exe/start or /bin/sh -c with the '\u0026' background operator. When HTTPS delivery fails, a fallback path queries DNS TXT records at c.\u003cdomain\u003e and numbered subdomains under dl.wel1.ru, concatenates the returned chunks, base64-decodes them, and writes the result as the executable payload — a covert DNS-TXT transport for payload delivery. Hostnames are fragmented across arrays and joined at runtime specifically to evade static string search, with cover-story comments ('Retry with exponential backoff', 'DNS-based discovery') inserted around the dropper logic. The package's README presents it as a benign 'base framework module', which does not match the shipped behavior.","ecosystems":["npm"],"exploits":{"exploitdb":null,"first_seen":null,"github_poc":null,"max_poc_stars":null,"metasploit":null,"nuclei":null,"refs":[],"tier":null},"has_fix":false,"headline":"Malicious code in eacq-acq-menu-core (npm)","id":"MAL-2026-13206","indexable":true,"kev":null,"kind":"malicious","links":{"ecosystem":"npm","product":null,"products":[],"type":null,"year":"2026"},"n_packages":1,"n_references":null,"packages":[{"ecosystem":"npm","fixed":[],"introduced":[],"last_affected":[],"package":"eacq-acq-menu-core","purl":"pkg:npm/eacq-acq-menu-core","source":"MAL-2026-13206"}],"products":null,"published":"2026-08-05","related":[],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"OpenSSF Malicious Packages","prefix":"MAL"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":null,"updated":null,"vendors":null},"summary":null,"url":"https://insights.sbomify.com/MAL-2026-13206/"}