Search Evasion Techniques
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Obscuring Control Flow Using Pointers Anti-Disassembly
The use of pointers in a program can be an issue for disassemblers, because pointers can be used in complex ways that are difficult for the disassembler to accurately interpret. This can make it more difficult for the disassembler to generate correct disassembly output, and can also make it more difficult for analysts to understand the program's behavior.
Pointers …
Debug Registers, Hardware Breakpoints Anti-Debugging
Hardware breakpoints allow a debugger to pause execution at specific memory addresses without modifying the program code. They are stored in special CPU registers (DR0 through DR3 on Intel CPUs).
For anti-debugging, malware can inspect the values of these debug registers. If any of the registers contain a non-empty value, it indicates that a hardware breakpoint has been set …