Function at 0x4c3cdf
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x4c
push ebx
mov ebx, ecx
push esi
push edi
mov dword [ebp - 0x10], ebx
cmp byte [ebx + 0x48], 0
jne 0x4c3cfa
push 0
call fcn.004c37d7
lea esi, [ebx + 4]
mov dword [ebp - 0x14], esi
test esi, esi
je 0x4c3d0b
mov ecx, esi
call fcn.0049f773
lea edi, [ebx + 0x38]
mov ecx, edi
mov dword [ebp - 8], edi
call fcn.004b9a54
mov ecx, dword [edi + 4]
push 0xffffffffffffffff
push 0
call fcn.004cf296
lea edi, [ebx + 0x40]
mov ecx, edi
mov dword [ebp - 0xc], edi
call fcn.004b9a54
mov ecx, dword [edi + 4]
push 0xffffffffffffffff
push 0
call fcn.004cf296
mov ebx, dword [ebx + 0x30]
test ebx, ebx
je 0x4c3d49
mov ebx, dword [ebx + 0xc]
jmp 0x4c3d55
mov ebx, 0xcceee0
jmp 0x4c3d55
inc ebx
cmp al, 0x3f
je 0x4c3d60
mov al, byte [ebx]
test al, al
jne 0x4c3d50
jmp 0x4c3f44
mov al, byte [ebx]
test al, al
je 0x4c3f44
and dword [ebp - 0x24], 0
mov dword [ebp - 0x20], 0xcceee0
mov byte [ebp - 4], al
cmp al, 0x26
je 0x4c3d99
cmp al, 0x3b
je 0x4c3d99
push dword [ebp - 4]
inc ebx
lea ecx, [ebp - 0x24]
mov edi, ebx
call fcn.004a53f2
mov al, byte [ebx]
mov byte [ebp - 4], al
test al, al
jne 0x4c3d78
jmp 0x4c3d9c
lea edi, [ebx + 1]
mov ecx, dword [ebp - 0x24]
mov ebx, edi
test ecx, ecx
je 0x4c3f2f
xor edx, edx
cmp dword [ecx + 8], edx
je 0x4c3f2f
test ecx, ecx
je 0x4c3dbd
mov ecx, dword [ecx + 0xc]
jmp 0x4c3dc2
mov ecx, 0xcceee0
mov al, byte [ecx]
mov esi, ecx
mov ebx, edi
test al, al
je 0x4c3dd7
cmp al, 0x3d
je 0x4c3dd7
inc esi
mov al, byte [esi]
test al, al
jne 0x4c3dcc
mov eax, 0xcceee0
mov dword [ebp - 0x1c], edx
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x2c], edx
mov dword [ebp - 0x28], eax
cmp byte [esi], dl
je 0x4c3e48
mov eax, esi
sub eax, ecx
push eax
push ecx
lea ecx, [ebp - 0x34]
call fcn.004a56f6
push eax
lea ecx, [ebp - 0x1c]
call fcn.004964d1
lea ecx, [ebp - 0x34]
inc esi
call fcn.004a29e1
mov ecx, dword [ebp - 0x1c]
test ecx, ecx
je 0x4c3e18
mov ecx, dword [ecx + 8]
jmp 0x4c3e1a
xor ecx, ecx
mov eax, dword [ebp - 0x24]
test eax, eax
je 0x4c3e26
mov eax, dword [eax + 8]
jmp 0x4c3e28
xor eax, eax
sub eax, ecx
lea ecx, [ebp - 0x3c]
dec eax
push eax
push esi
call fcn.004a56f6
push eax
lea ecx, [ebp - 0x2c]
call fcn.004964d1
lea ecx, [ebp - 0x3c]
call fcn.004a29e1
jmp 0x4c3e54
lea eax, [ebp - 0x24]
push eax
lea ecx, [ebp - 0x1c]
call fcn.004964d1
mov eax, dword [ebp - 0x10]
mov esi, dword [ebp - 8]
mov ecx, esi
mov eax, dword [eax + 0x3c]
mov edi, dword [eax + 0x18]
sub edi, dword [eax + 0x14]
inc edi
call fcn.004b9a54
mov ecx, dword [esi + 4]
push edi
push 0
call fcn.004cf296
mov esi, dword [ebp - 0xc]
mov ecx, esi
call fcn.004b9a54
mov ecx, dword [esi + 4]
push edi
push 0
call fcn.004cf296
lea edx, [ebp - 0x1c]
lea ecx, [ebp - 0x44]
call fcn.004c4415
mov ecx, dword [ebp - 8]
mov esi, eax
push edi
call fcn.004c5141
push esi
mov ecx, eax
call fcn.004964d1
lea ecx, [ebp - 0x44]
call fcn.004a29e1
lea edx, [ebp - 0x2c]
lea ecx, [ebp - 0x4c]
call fcn.004c4415
mov ecx, dword [ebp - 0xc]
mov esi, eax
push edi
call fcn.004c5141
push esi
mov ecx, eax
call fcn.004964d1
lea ecx, [ebp - 0x4c]
call fcn.004a29e1
mov ecx, dword [ebp - 0x2c]
and dword [ebp - 0x2c], 0
test ecx, ecx
je 0x4c3f03
lea esi, [ecx + 4]
or eax, 0xffffffff
lock xadd dword [esi], eax
jne 0x4c3f03
mov edx, 0xffff8001
xor eax, eax
lock cmpxchg dword [esi], edx
test eax, eax
jne 0x4c3f03
mov eax, dword [ecx]
push 1
call dword [eax]
mov ecx, dword [ebp - 0x1c]
and dword [ebp - 0x1c], 0
test ecx, ecx
je 0x4c3f2f
lea esi, [ecx + 4]
or eax, 0xffffffff
lock xadd dword [esi], eax
jne 0x4c3f2f
mov edx, 0xffff8001
xor eax, eax
lock cmpxchg dword [esi], edx
test eax, eax
jne 0x4c3f2f
mov eax, dword [ecx]
push 1
call dword [eax]
lea ecx, [ebp - 0x24]
call fcn.004a29e1
mov al, byte [ebx]
test al, al
jne 0x4c3d6a
mov esi, dword [ebp - 0x14]
test esi, esi
je 0x4c3f4f
mov ecx, esi
call fcn.0049f7a7
pop edi
pop esi
pop ebx
leave
ret