w_hat_documentary

풀이 $ pwn checksec chall [*] '/home/user/바탕화면/zer0ptf/safe_vector/chall' Arch: amd64-64-little RELRO: Full RELRO Stack: No canary found NX: NX enabled PIE: PIE enabled #include #include template class safe_vector: public std::vector { public: void wipe() { std::vector::resize(0); std::vector::shrink_to_fit(); } T& operator[](int index) { int size = std::vector::size(); if (size == 0) { throw "ind..

파일 정보 $ file chall chall: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=7cf51550bee6566a6972d12ba047bbebef778f7e, not stripped $ pwn checksec chall [*] '/home/user/바탕화면/zer0ptf/oneshot/chall' Arch: amd64-64-little RELRO: Partial RELRO Stack: No canary found NX: NX enabled PIE: No PIE (0x400000)..

파일정보 $ file chall chall: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 3.2.0, BuildID[sha1]=671697b357d39525a86658e92e5aa52b783012ff, not stripped $ pwn checksec chall [*] '/root/stopwatch/chall' Arch: amd64-64-little RELRO: Partial RELRO Stack: Canary found NX: NX enabled PIE: No PIE (0x400000) 코드 #include #includ..

파일 정보 $ file chall chall: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), statically linked, not stripped $ pwn checksec chall Arch: amd64-64-little RELRO: No RELRO Stack: No canary found NX: NX disabled PIE: No PIE (0x400000) RWX: Has RWX segments 코드 global _start section .text %macro call 1 ;; __stack_shadow[__stack_depth++] = return_address; mov ecx, [__stack_depth] mov qword [__stack_sh..