Nettet20. jul. 2024 · 程序执行 write 前没有修改ecx,所以我们第一次先将程序劫持到 mov ecx, esp 处,则第二次执行程序时, write 输出的即是esp地址。. 执行到 read 处时,我们将函数返回地址设置为 esp + offset ,这样可以在栈初始处写入execve (“/bin/sh”)作为shellcode执行。. 所以shellcode ... Nettet4004ed: 55 push rbp 4004ee: 48 89 e5 mov rbp, rsp 4004f1: c7 45 ec 00 00 00 00 mov DWORD PTR [rbp-0x14], 0x0 4004f8: c7 45 f0 01 00 00 00 mov DWORD PTR [rbp …
Меня попросили взломать программу на собеседовании / Хабр
Nettet4. nov. 2024 · Elf32_Dyn 结构由一个类型值加上一个附加的数值或指针,对于不同的类型,后面附加的数值或者指针有着不同的含义。下面给出和延迟绑定相关的类型值的定义。 (我直接从raycp师傅的文章里剪了过来) 由dynamic信息可知.rel.plt的地址为 0x8048314,.dynsym的地址为 0x8048248, .dynstr的地址为 0x8048298。 Nettet31. mai 2024 · The first three instructions are part of the function prologue and these instructions are executed every time a function is called. Please note that the RBP register points to the base of the stack frame and all the function parameters and the local variables are accessed with the help of this RBP register. 千葉県 イオンモール 大きい
ret2plt(弊研究室の某課題について考える11日目) - ごちうさ民の …
Nettet13. okt. 2024 · $ objdump-D-M intel main_asm4.o grep asm4-A 100 0000051 d < asm4 >: 51 d: 55 push ebp 51 e: 89 e5 mov ebp, esp 520: 83 ec 10 sub esp, 0x10 523: e8 e9 00 00 00 call 611 < __x86.get_pc_thunk.ax > 528: 05 b0 1 a 00 00 add eax, 0x1ab0 52 d: c7 45 f0 5 c 02 00 00 mov DWORD PTR [ebp-0x10], 0x25c 534: c7 45 f4 00 00 00 00 … Nettet8-letter words that start with mov. mov ement. mov eable. mov iedom. mov eless. mov eably. mov ables. mov iolas. mov ingly. Nettet4004ed: 55 push rbp 4004ee: 48 89 e5 mov rbp, rsp 4004f1: c7 45 ec 00 00 00 00 mov DWORD PTR [rbp-0x14], 0x0 4004f8: c7 45 f0 01 00 00 00 mov DWORD PTR [rbp-0x10], 0x1 4004ff: c7 45 f4 02 00 00 00 mov DWORD PTR [rbp-0xc], 0x2 400506: c7 45 f8 03 00 00 00 mov DWORD PTR [rbp-0x8], 0x3 40050d: c7 45 fc 04 00 00 00 mov DWORD … b7 サイズ ノート