OpenSSF/OSV advisory MAL-2026-3028 confirms this npm version as malicious. npm stealer. Hardcoded Discord webhook id 1497047226428690432 in postinstall Folder/bin/S.js. Exfils {hostname, whoami, pwd, public_ip (api.ipify.org), /etc/hosts} via Discord embed. v1.0.21 empty placeholder, v1.0.22 shipped payload — name-squat-then-poison. Typosquats @amplitude/* analytics scope. Maintainer 4senna <bugbounty4senna+1@gmail.com> (Gmail plus-alias throwaway)...
Source
OpenSSF Malicious Packages via OSV
Summary
Malicious code in amplitude-ma-ts (npm)
Details
npm stealer. Hardcoded Discord webhook id 1497047226428690432 in postinstall Folder/bin/S.js. Exfils {hostname, whoami, pwd, public_ip (api.ipify.org), /etc/hosts} via Discord embed. v1.0.21 empty placeholder, v1.0.22 shipped payload — name-squat-then-poison. Typosquats @amplitude/* analytics scope. Maintainer 4senna <bugbounty4senna+1@gmail.com> (Gmail plus-alias throwaway). Score 20, signals: install_hook + nodejs_phone_home + iplookup_website + discord_bot + discord_exfil + exfil_whoami_hostname. Report: data/reports/research-threat-analysis/reports/2026-04-24-amplitude-ma-ts.md
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## Source: amazon-inspector (88366a7453a0226ce379fc1e267e15daf9e3c144387e614528c88ab30cb0a49c) The package amplitude-ma-ts was found to contain malicious code.
## Source: ossf-package-analysis (2cba685b107eb30c1b216522bcb10e36df5eb8096a549b86ed097b9dbc7f192c) The OpenSSF Package Analysis project identified 'amplitude-ma-ts' @ 1.0.22 (npm) as malicious.
It is considered malicious because:
- The package communicates with a domain associated with malicious activity.
- The package executes one or more commands associated with malicious behavior.
Decision reason
OpenSSF Malicious Packages via OSV confirms amplitude-ma-ts@1.0.22 as malicious (MAL-2026-3028): Malicious code in amplitude-ma-ts (npm)