ropshell> use f4b11cd1870e77dc8d5cde6d8704c449 (download)
name         : step5_2 (x86_64/ELF)
base address : 0x400390
total gadgets: 8345

ropshell> suggest "sp lifting"
> 0x004405df : add rsp, 0x18; ret
> 0x004405df : add rsp, 0x18; ret
> 0x0049a5a0 : add rsp, 0x28; ret
> 0x004812d5 : add rsp, 0x38; ret
> 0x00481367 : add rsp, 0x48; ret
> 0x004810e9 : add rsp, 0x50; jmp [rax]