That one program

var_30= qword ptr -30h
var_24= dword ptr -24h
var_20= dword ptr -20h
var_1C= dword ptr -1Ch
var_18= dword ptr -18h
var_14= dword ptr -14h
var_10= dword ptr -10h
var_8= qword ptr -8

push    rbp
mov     rbp, rsp
sub     rsp, 30h
mov     [rbp+var_24], edi
mov     [rbp+var_30], rsi
mov     esi, offset _Z13sigintHandleri ; handler
mov     edi, 2          ; sig
call    _signal
mov     rax, [rbp+var_30]
mov     rax, [rax]
mov     cs:target, rax
mov     eax, [rbp+var_24]
cmp     eax, 2
jz      short loc_400874      ;Goes here if commandline arguments are passed



loc_400874:
nop
mov     rax, [rbp+var_30]
mov     rax, [rax+8]
mov     [rbp+var_8], rax
mov     [rbp+var_20], 1
mov     [rbp+var_1C], 2
mov     [rbp+var_18], 3
mov     [rbp+var_14], 4
mov     [rbp+var_10], 5
mov     edx, [rbp+var_20]
mov     rax, [rbp+var_8]
movzx   eax, byte ptr [rax]
movsx   eax, al
add     eax, edx
mov     [rbp+var_20], eax
mov     edx, [rbp+var_1C]
mov     rax, [rbp+var_8]
add     rax, 1
movzx   eax, byte ptr [rax]
movsx   eax, al
add     eax, edx
mov     [rbp+var_1C], eax
mov     edx, [rbp+var_18]
mov     rax, [rbp+var_8]
add     rax, 2
movzx   eax, byte ptr [rax]
movsx   eax, al
add     eax, edx
mov     [rbp+var_18], eax
mov     edx, [rbp+var_14]
mov     rax, [rbp+var_8]
add     rax, 3
movzx   eax, byte ptr [rax]
movsx   eax, al
add     eax, edx
mov     [rbp+var_14], eax
mov     edx, [rbp+var_10]
mov     rax, [rbp+var_8]
add     rax, 4
movzx   eax, byte ptr [rax]
movsx   eax, al
add     eax, edx
mov     [rbp+var_10], eax
mov     eax, [rbp+var_14]
cmp     eax, 6Fh
jnz     short loc_400967    ;We don't want to go here



mov     eax, [rbp+var_18]
mov     edx, [rbp+var_14]
add     edx, 0Eh
cmp     eax, edx
jnz     short loc_400967   ;We don't want to go here



mov     eax, [rbp+var_20]
mov     edx, [rbp+var_10]
sub     edx, 0Ah
cmp     eax, edx
jnz     short loc_400967   ;We don't want to go here



mov     eax, [rbp+var_1C]
cmp     eax, 35h
jnz     short loc_400967    ;We don't want to go here



mov     eax, [rbp+var_10]
mov     edx, [rbp+var_14]
add     edx, 3
cmp     eax, edx
jnz     short loc_400967    ;We don't want to go here



mov     edi, offset aNowHereIsYourF ; "Now here is your flag: "
mov     eax, 0
call    _printf
lea     rax, [rbp+var_20]
mov     rdi, rax        ; int *
call    _Z7print_5Pi    ; print_5(int *)
mov     eax, 1
jmp     short locret_400990