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Office Drama on macOS

Patrick Wardle

Patrick Wardle analyzes emerging macOS macro-based Office malware campaigns, dissecting Apple sandbox escapes and synthetic click persistence tricks.

Summary

The Rise of Macro-Based Attacks on macOS

While Microsoft Office VBA macro attacks have targeted Windows for decades, adversary groups increasingly deploy weaponized Word and Excel documents targeting macOS enterprise workstations.

Deconstructing Real-World macOS Macro Payloads

Patrick Wardle analyzes recent nation-state and cybercrime documents, examining how malicious VBA code invokes Python, Bash, and native Objective-C APIs via MacScript.

Bypassing the Apple App Sandbox

Wardle uncovers vulnerabilities in macOS Office sandboxing, demonstrating how attackers escape sandbox constraints, write persistent login launch items, and access sensitive files.

Detection Engineering and Endpoint Defenses

The author releases open-source heuristic monitoring tools, providing macOS defenders with behavioral rules to detect malicious Office child process spawning.

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