Function at 0x4c01c0
Capabilities:
Parse credit card information

Disassembly:
mov eax, dword [esp + 4]
sub esp, 8
push ebx
push ebp
mov ebp, dword [eax]
push esi
push edi
mov edx, dword [ebp + 0x48b4]
mov esi, edx
mov edi, dword [ebp + 0x130]
movzx eax, byte [edx]
push eax
call fcn.004bff50
add esp, 4
test al, al
je 0x4c0235
jmp 0x4c01f0
movzx eax, byte [esi + 1]
inc esi
push eax
call fcn.004bff50
add esp, 4
test al, al
jne 0x4c01f0
cmp esi, edx
je 0x4c0235
mov ecx, esi
jbe 0x4c0214
cmp byte [esi - 1], 0x2f
lea eax, [esi - 1]
cmove ecx, eax
push 1
push 0
lea ebx, [edi + 4]
sub ecx, edx
push ebx
push ecx
push edx
push ebp
call fcn.004c8830
add esp, 0x18
test eax, eax
je 0x4c023c
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
mov dword [edi + 4], 0
cmp byte [esi], 0x3b
jne 0x4c0406
mov al, byte [esi + 1]
inc esi
mov ecx, esi
test al, al
je 0x4c0488
cmp al, 0x3d
je 0x4c026c
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x4c0253
pop edi
pop esi
pop ebp
mov eax, 3
pop ebx
add esp, 8
ret
cmp byte [esi], 0
je 0x4c0488
push 1
push 0
lea eax, [esp + 0x18]
push eax
mov eax, esi
sub eax, ecx
push eax
push ecx
push ebp
call fcn.004c8830
add esp, 0x18
test eax, eax
jne 0x4c0469
movzx eax, byte [esi + 1]
inc esi
push eax
mov ecx, esi
call fcn.004bff50
add esp, 4
test al, al
je 0x4c02c2
lea esp, [esp]
movzx eax, byte [esi + 1]
inc esi
push eax
call fcn.004bff50
add esp, 4
test al, al
jne 0x4c02b0
push 1
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x24]
push eax
mov eax, esi
sub eax, ecx
push eax
push ecx
push ebp
call fcn.004c8830
mov ebx, eax
add esp, 0x18
test ebx, ebx
jne 0x4c0495
push str.UIDVALIDITY
push dword [esp + 0x14]
call fcn.004b4d90
add esp, 8
test eax, eax
je 0x4c0324
cmp dword [edi + 8], ebx
jne 0x4c0324
mov ecx, dword [esp + 0x14]
test ecx, ecx
je 0x4c0318
mov eax, dword [esp + 0x1c]
cmp byte [eax + ecx - 1], 0x2f
jne 0x4c0318
mov byte [eax + ecx - 1], bl
mov eax, dword [esp + 0x1c]
mov dword [edi + 8], eax
jmp 0x4c03de
push 0x52947c
push dword [esp + 0x14]
call fcn.004b4d90
add esp, 8
test eax, eax
je 0x4c0360
cmp dword [edi + 0xc], 0
jne 0x4c0360
mov ecx, dword [esp + 0x14]
test ecx, ecx
je 0x4c0357
mov eax, dword [esp + 0x1c]
cmp byte [eax + ecx - 1], 0x2f
jne 0x4c0357
mov byte [eax + ecx - 1], 0
mov eax, dword [esp + 0x1c]
mov dword [edi + 0xc], eax
jmp 0x4c03de
push str.SECTION
push dword [esp + 0x14]
call fcn.004b4d90
add esp, 8
test eax, eax
je 0x4c039c
cmp dword [edi + 0x10], 0
jne 0x4c039c
mov ecx, dword [esp + 0x14]
test ecx, ecx
je 0x4c0393
mov eax, dword [esp + 0x1c]
cmp byte [eax + ecx - 1], 0x2f
jne 0x4c0393
mov byte [eax + ecx - 1], 0
mov eax, dword [esp + 0x1c]
mov dword [edi + 0x10], eax
jmp 0x4c03de
push str.PARTIAL
push dword [esp + 0x14]
call fcn.004b4d90
add esp, 8
test eax, eax
je 0x4c0471
cmp dword [edi + 0x14], 0
jne 0x4c0471
mov ecx, dword [esp + 0x14]
test ecx, ecx
je 0x4c03d7
mov eax, dword [esp + 0x1c]
cmp byte [eax + ecx - 1], 0x2f
jne 0x4c03d7
mov byte [eax + ecx - 1], 0
mov eax, dword [esp + 0x1c]
mov dword [edi + 0x14], eax
push dword [esp + 0x10]
mov dword [esp + 0x20], 0
call dword [0x559304]
push dword [esp + 0x20]
call dword [0x559304]
add esp, 8
cmp byte [esi], 0x3b
je 0x4c0245
cmp dword [edi + 4], 0
je 0x4c045d
cmp dword [edi + 0xc], 0
jne 0x4c045d
cmp byte [esi], 0x3f
jne 0x4c045d
movzx eax, byte [esi + 1]
inc esi
push eax
mov ecx, esi
call fcn.004bff50
add esp, 4
test al, al
je 0x4c0442
jmp 0x4c0430
movzx eax, byte [esi + 1]
inc esi
push eax
call fcn.004bff50
add esp, 4
test al, al
jne 0x4c0430
push 1
push 0
lea eax, [edi + 0x18]
push eax
mov eax, esi
sub eax, ecx
push eax
push ecx
push ebp
call fcn.004c8830
add esp, 0x18
test eax, eax
jne 0x4c0469
xor eax, eax
mov ecx, 3
cmp byte [esi], al
cmovne eax, ecx
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret
push dword [esp + 0x10]
call dword [0x559304]
push dword [esp + 0x20]
call dword [0x559304]
add esp, 8
pop edi
pop esi
pop ebp
mov eax, 3
pop ebx
add esp, 8
ret
push dword [esp + 0x10]
call dword [0x559304]
add esp, 4
mov eax, ebx
pop edi
pop esi
pop ebp
pop ebx
add esp, 8
ret