Malicious code in nibra1 (npm)
The npm package nibra1 contained malicious code that installs a Python payload capable of capturing keyboard input, clipboard content, and screenshots, then exfiltrating them to a remote server and executing server-controlled keystrokes on the victim's machine.
- Disclosed
- Last updated
- Blast radius
- npm package consumers on Windows systems
- Ecosystems
- Attack vectors
- Affected entities
- nibra1 · <UNKNOWN>
The npm package nibra1 was found to contain malicious code in its CLI entry point (index.js) that launches a Python payload (pointer.py) designed to conduct extensive surveillance and remote control of the infected Windows system.
The payload registers global keyboard hooks, polls the clipboard, captures screenshots using mss and PIL.ImageGrab, and extracts on-screen text via UI-Automation tree traversal. All captured content is exfiltrated via POST requests to a hardcoded endpoint at https://iq-sec.vercel.app/api. The server responds with commands that drive pyautogui and keyboard keystroke synthesis, allowing remote attackers to inject keystrokes into the active window (e.g., force_paste bound to alt+v, mash-mode typing loops).
To execute the payload, index.js attempts silent installation of Python 3.12 via winget; if that fails, it downloads the official python.org 3.12.3 Windows installer to %TEMP% and executes it with /quiet flags and no user interaction. A bundled start_tool.vbs script launches the Python payload hidden in the background using Shell.Application.ShellExecute with window state 0. The Python payload further hides its runtime by constructing stealth Tk windows with empty titles, transparent overlays, and overrideredirect flags.
The malicious package was identified by the OpenSSF's malicious-packages project.
Indicators of compromise
- Packages
- nibra1
- Domains
- iq-sec.vercel.app
Remediation
- Immediately uninstall the nibra1 npm package from all systems
- Audit systems that installed nibra1 for signs of Python installation and pointer.py execution
- Check for unauthorized keyboard input, clipboard access, and screenshot capture activity
- Review network logs for POST requests to iq-sec.vercel.app/api
- If Python 3.12 was installed by the package, verify its legitimacy and consider removal if not independently required
- Regenerate any credentials or sensitive data that may have been captured via clipboard or keyboard hooks
- Monitor affected systems for ongoing malicious activity
Sources
- GitHub Advisory GHSA-8c6w-93qr-cwc3 · GitHub Advisory Database
Cite this entry
"Malicious code in nibra1 (npm)." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed August 19, 2026; last updated August 19, 2026. https://supplychainattack.org/incident/malicious-code-in-nibra1-npm-1pxhfq
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