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Similar to Noip2 stack buffer overflow (20)
Noip2 stack buffer overflow
- 6. Payload = (292 - 21)*nop + shellcode + ret_address
↑
buffer到ret address的bytes數 – shellcode bytes數
Shellcode 21個bytes
↓
- 25. Libc Function = Libc Base Address + Function Offset
↑ ↑
動態載入決定 固定不變
(NoASLR→固定)