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Interrupts
Adversaries may use exception-based anti-debugging techniques to detect whether their code is being executed in a debugger. These techniques rely on the fact that most debuggers will trap exceptions and not immediately pass them to the process being debugged for handling.
By triggering an exception and checking whether it is handled properly, the adversary's code can determine whether it …
Read moreSIDT, Red Pill
Red Pill is a technique used by malware to determine whether it is running on a physical machine or a virtual machine. The Red Pill technique involves executing the SIDT instruction, which retrieves the value of the Interrupt Descriptor Table Register (IDTR) and stores it in a memory location.
On a physical machine, the IDTR will contain the address …
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