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firmianay 2017-09-08 13:11:57 +08:00
parent 9298ad049d
commit 20e03f6e65
1 changed files with 15 additions and 15 deletions
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doc/2.2_gdb&peda.md
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@ -229,11 +229,11 @@ $ yaourt -S peda
- `assemble` -- On the fly assemble and execute instructions using NASM - `assemble` -- On the fly assemble and execute instructions using NASM
- `assemble` - `assemble`
- ``` - ```
assemble $pc assemble $pc
> mov al, 0xb > mov al, 0xb
> int 0x80 > int 0x80
> end > end
``` ```
- **`checksec`** -- 检查二进制文件的安全选项 - **`checksec`** -- 检查二进制文件的安全选项
- `cmpmem` -- Compare content of a memory region with a file - `cmpmem` -- Compare content of a memory region with a file
- `cmpmem 0x08049000 0x0804a000 data.mem` - `cmpmem 0x08049000 0x0804a000 data.mem`
@ -425,16 +425,16 @@ $ yaourt -S peda
``` ```
- 外部脚本 - 外部脚本
- ``` - ```
# myscript.py # myscript.py
def myrun(size): def myrun(size):
argv = cyclic_pattern(size) argv = cyclic_pattern(size)
peda.execute("set arg %s" % argv) peda.execute("set arg %s" % argv)
peda.execute("run") peda.execute("run")
``` ```
``` ```
gdb-peda$ source myscript.py gdb-peda$ source myscript.py
gdb-peda$ python myrun(100) gdb-peda$ python myrun(100)
``` ```
下面我们通过一道 CTF 题目来练习一下 PEDA 脚本的编写：[asis-ctf-quals-2014 serial-number re-300](../src/Reverse/2.2_serial_number_300) 下面我们通过一道 CTF 题目来练习一下 PEDA 脚本的编写：[asis-ctf-quals-2014 serial-number re-300](../src/Reverse/2.2_serial_number_300)
``` ```