Silently download the user's entire chat history and contact list.

To format text in on WhatsApp—which gives it a "shell" or "coding" appearance—you must use three backticks (```) on both sides of your text. Text Formatting Shortcuts

Attackers sent specially crafted data packets—sometimes via a simple, unanswered WhatsApp voice call—to trigger a buffer overflow in the app's memory.

Below is a basic conceptual outline for preparing a piece of software or script that could interact with WhatsApp. This example assumes you're looking to create something using Python, a popular language for scripting and development.