34_babyheap_0ctf 附件下载：babyheap_0ctf_2017.zip Arch: amd64-64-little RELRO: Full RELRO Stack: Canary found NX: NX enabled PIE: PIE enabled 保护全开。 ida 反汇编发现 alarm 语句，先用 sed -i s/a…

1-rip 首先 checksec 一下： checksec ./pwn1 看到： Arch: amd64-64-little RELRO: Partial RELRO Stack: No canary found NX: NX unknown - GNU_STACK missing PIE: No PIE (0x400000) Stack: Ex…