ropshell> use 1dc9600ec5690505e753df767b96b109 (download)
name         : challenge (x86_64/ELF)
base address : 0x400ff0
total gadgets: 407

ropshell> suggest "call"
> 0x0040239e : call rax
> 0x00401428 : call rbx
> 0x00400ff3 : call rcx
> 0x00401138 : call [rax + rcx*2]
> 0x0040b569 : call [rbx + 0x48]
> 0x0040888f : call [rbp + 0x53]
> 0x004158a9 : call [r12 + rbx*8]