Function at 0x4d0880
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
or eax, 0xffffffff
mov word [ebp - 0xc], ax
push ebx
xor ecx, ecx
mov eax, 0x65
xor ebx, ebx
mov dword [ebp - 0x1c], eax
mov edx, 2
mul edx
seto cl
push esi
push edi
mov dword [ebp - 0x20], ebx
neg ecx
or ecx, eax
push ecx
call fcn.004e0689
add esp, 4
xor ecx, ecx
push 4
mov dword [ebp - 0x24], eax
mov word [eax], cx
call fcn.004e0689
add esp, 4
test eax, eax
je 0x4f9baf
mov dword [eax], 1
mov dword [ebp - 0x18], eax
mov edx, dword [ebp + 0x10]
cmp dword [edx + 8], ebx
jbe 0x4d090f
xor edi, edi
mov eax, edx
mov ecx, dword [eax + 4]
mov esi, dword [ecx + edi*4]
test esi, esi
je 0x4d0909
movzx eax, word [esi + 8]
cmp ax, 0x3f
jle 0x4d09d2
push esi
call fcn.004dec76
mov eax, dword [ebp + 0x10]
add esp, 4
inc edi
cmp edi, dword [eax + 8]
jb 0x4d08e5
mov edx, dword [ebp + 0x10]
mov eax, dword [ebp + 0xc]
mov dword [edx + 8], ebx
cmp word [eax], bx
je 0x4d0b23
mov ecx, dword [ebp + 0xc]
jmp 0x4d0930
movzx eax, word [ecx + ebx*2]
cmp eax, 0x20
je 0x4d0a27
cmp eax, 9
je 0x4d0a27
movzx eax, word [ecx + ebx*2]
test ax, ax
je 0x4d0b0f
mov esi, eax
mov dword [ebp - 8], ebx
mov word [ebp - 0xa], bx
cmp esi, 0x30
jae 0x4d0a2d
cmp esi, 0x2e
je 0x4d0a36
cmp esi, 0x41
jae 0x4d0bd5
cmp esi, 0x61
jae 0x4d0e4a
cmp esi, 0x5f
je 0x4d0bde
mov eax, esi
cmp eax, 0x24
je 0x4d0b69
cmp eax, 0x3d
je 0x4d0c0f
cmp eax, 0x28
je 0x4d0c4d
cmp eax, 0x29
je 0x4d0c30
cmp eax, 0x22
je 0x4d0c6a
sub eax, 0x1a
cmp eax, 0x44
ja 0x4f9e98
movzx ecx, byte [eax + 0x4032e0]
jmp dword [ecx*4 + 0x4032a4]
cmp ax, 0x30
jl 0x4d08fd
mov ecx, dword [esi]
test ecx, ecx
je 0x4d08fd
mov eax, dword [ecx + 0xc]
dec dword [eax]
mov edx, dword [ecx + 0xc]
mov dword [ebp - 8], ecx
cmp dword [edx], ebx
je 0x4f9bb7
mov ecx, dword [ebp - 8]
push ecx
call fcn.004dec76
add esp, 4
jmp 0x4d08fd
inc ebx
jmp 0x4d0930
cmp esi, 0x39
ja 0x4d0965
mov eax, dword [ebp + 0x10]
mov ebx, dword [eax + 8]
test ebx, ebx
je 0x4f9bd9
mov ecx, dword [eax + 4]
mov edx, dword [ecx + ebx*4 - 4]
movzx edi, word [edx + 8]
push edi
lea eax, [ebp - 0x24]
push eax
lea ecx, [ebp - 0x14]
push ecx
mov ecx, dword [ebp + 0xc]
lea eax, [ebp - 8]
call fcn.004d11e0
cmp al, 1
jne 0x4f9c19
cmp di, 0x4a
je 0x4f9be3
mov edi, dword [ebp + 0x10]
lea eax, [ebp - 0x14]
call fcn.004d0780
mov ebx, dword [ebp - 8]
jmp 0x4d0b01
cmp di, 0x30
jae 0x4d0d26
cmp di, 0x5f
je 0x4d0ba0
test esi, esi
je 0x4f9ec3
lea eax, [ebp - 0x24]
call fcn.004d06f0
mov esi, dword [ebp - 0x20]
mov edi, dword [ebp - 0x24]
push esi
push edi
call dword [fcn.00487660]
mov ax, word [ebp - 0xc]
cmp ax, 0x30
jge 0x4d0d80
mov eax, 0x33
push 0x10
mov word [ebp - 0xc], ax
call fcn.004e0689
add esp, 4
test eax, eax
je 0x4f9def
mov ecx, dword [ebp - 0x18]
mov edx, dword [ebp - 0x1c]
mov dword [eax], edi
mov dword [eax + 4], esi
mov dword [eax + 8], edx
mov dword [eax + 0xc], ecx
inc dword [ecx]
mov dword [ebp - 0x14], eax
mov edi, dword [ebp + 0x10]
lea eax, [ebp - 0x14]
call fcn.004d0780
mov eax, dword [ebp + 0xc]
cmp word [eax + ebx*2], 0
jne 0x4d0921
mov ax, word [ebp - 0xc]
cmp ax, 0x30
jl 0x4d0b23
cmp ax, 0x3f
jle 0x4d0d56
mov edi, dword [ebp + 0x10]
mov ecx, 0x7f
lea eax, [ebp - 0x14]
mov word [ebp - 0xc], cx
mov dword [ebp - 0x14], 0
mov word [ebp - 0xa], bx
call fcn.004d0780
mov esi, dword [ebp - 0x18]
dec dword [esi]
jne 0x4d0b5e
mov edx, dword [ebp - 0x24]
push edx
call fcn.004e055c
add esp, 4
push esi
call fcn.004dec76
add esp, 4
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret 0xc
lea esi, [ebp - 0x24]
inc ebx
call fcn.004d1380
mov ecx, dword [ebp + 0xc]
movzx edi, word [ecx + ebx*2]
mov esi, dword [ebp - 0x20]
lea esp, [esp]
cmp di, 0x5a
ja 0x4d0b8c
cmp di, 0x41
jae 0x4d0ba0
cmp di, 0x61
jb 0x4d0a85
cmp di, 0x7a
ja 0x4d0a85
mov eax, dword [ebp - 0x18]
cmp dword [eax], 1
jg 0x4f9d87
lea eax, [esi + 1]
lea esi, [ebp - 0x24]
call fcn.004d0f30
mov esi, dword [ebp - 0x20]
mov eax, dword [ebp - 0x24]
mov edx, dword [ebp + 0xc]
mov word [eax + esi*2], di
inc esi
xor ecx, ecx
inc ebx
mov word [eax + esi*2], cx
movzx edi, word [edx + ebx*2]
mov dword [ebp - 0x20], esi
jmp 0x4d0b80
cmp esi, 0x5a
ja 0x4d0977
mov eax, dword [ebp + 0xc]
lea ecx, [ebp - 0x24]
push ecx
lea edx, [ebp - 0x14]
push edx
push eax
lea eax, [ebp - 8]
call fcn.004d1090
cmp dword [ebp - 0x14], 0xffffffff
je 0x4f9e26
mov edi, dword [ebp + 0x10]
lea eax, [ebp - 0x14]
call fcn.004d0780
mov ebx, dword [ebp - 8]
jmp 0x4d0b01
mov eax, dword [ebp + 0xc]
inc ebx
cmp word [eax + ebx*2], 0x3d
lea esi, [ebp - 0x14]
je 0x4f9d77
mov edi, 0x41
call fcn.004d0710
jmp 0x4d0af6
mov edi, 0x48
lea esi, [ebp - 0x14]
call fcn.004d0710
mov edi, dword [ebp + 0x10]
mov eax, esi
call fcn.004d0780
inc ebx
jmp 0x4d0b01
mov edi, 0x47
lea esi, [ebp - 0x14]
call fcn.004d0710
mov edi, dword [ebp + 0x10]
mov eax, esi
call fcn.004d0780
inc ebx
jmp 0x4d0b01
mov ecx, dword [ebp + 0xc]
mov edx, dword [ebp + 8]
push ecx
push edx
lea eax, [ebp - 0x24]
lea edi, [ebp - 8]
call fcn.004d0fb0
lea esi, [ebp - 0x14]
test eax, eax
jne 0x4f9e68
lea edi, [eax + 0x36]
call fcn.004d0710
lea esi, [ebp - 0x24]
lea edi, [ebp - 0x14]
call fcn.004cffe0
mov eax, edi
mov edi, dword [ebp + 0x10]
call fcn.004d0780
mov ebx, dword [ebp - 8]
jmp 0x4d0b01
cmp di, 0x39
jbe 0x4d0ba0
jmp 0x4d0a8f
mov esi, dword [ebp - 0x14]
test esi, esi
je 0x4d0b23
mov eax, dword [esi + 0xc]
dec dword [eax]
mov ecx, dword [esi + 0xc]
cmp dword [ecx], 0
je 0x4f9eee
push esi
call fcn.004dec76
add esp, 4
jmp 0x4d0b23
cmp ax, 0x3f
jg 0x4d0ac5
jmp 0x4f9dd9
lea esi, [ebp - 0x14]
call fcn.004d0710
lea esi, [ebp - 0x24]
lea edi, [ebp - 0x14]
call fcn.004cffe0
jmp 0x4d0af6
cmp esi, 0x7a
jbe 0x4d0bde
jmp 0x4d0980
mov dword [ebp - 0x18], ebx
jmp 0x4d08d9
mov eax, dword [ebp - 8]
mov ecx, dword [eax]
push ecx
call fcn.004e055c
mov edx, dword [ebp - 8]
mov eax, dword [edx + 0xc]
add esp, 4
push eax
call fcn.004dec76
add esp, 4
jmp 0x4d09f9
mov edi, 0x40
jmp 0x4d0a4f
cmp word [ebp - 0xc], 5
jne 0x4d0a75
mov eax, dword [ebp - 0x14]
mov edx, dword [ebp - 0x10]
neg eax
mov dword [ebp - 0x14], eax
mov eax, dword [ebp + 0x10]
mov ecx, dword [eax + 4]
adc edx, 0
neg edx
mov dword [ebp - 0x10], edx
mov edx, dword [ecx + ebx*4 - 4]
mov eax, 0x49
mov word [edx + 8], ax
jmp 0x4d0a75
mov ebx, dword [ebp - 8]
cmp esi, 0x2e
jne 0x4d096e
lea esi, [ebp - 0x24]
inc ebx
call fcn.004d1380
mov esi, dword [ebp + 0xc]
movzx eax, word [esi + ebx*2]
cmp ax, 0x41
jb 0x4f9c49
cmp ax, 0x5a
jbe 0x4f9c8f
cmp ax, 0x61
jb 0x4f9c5d
cmp ax, 0x7a
jbe 0x4f9c8f
cmp ax, 0x30
jb 0x4f9c71
cmp ax, 0x39
jbe 0x4f9c8f
cmp ax, 0x5f
je 0x4f9c8f
cmp dword [ebp - 0x20], 0
je 0x4f9dfb
mov edi, 0x35
jmp 0x4d0e32
push eax
lea eax, [ebp - 0x24]
call fcn.004d1050
inc ebx
jmp 0x4f9c31
mov edi, 0x50
call fcn.004d0710
inc ebx
jmp 0x4d0af6
dec dword [eax]
lea esi, [ebp - 0x24]
call fcn.004cf100
mov esi, dword [ebp - 0x20]
lea edx, [esi + 2]
push edx
call fcn.00518654
xor ecx, ecx
mov dword [ebp - 0x1c], eax
mov edx, 2
mul edx
seto cl
neg ecx
or ecx, eax
push ecx
call fcn.004e0689
mov edx, dword [ebp - 0x24]
add esp, 4
lea ecx, [esi + esi + 2]
push ecx
push edx
push eax
mov dword [ebp - 8], eax
call fcn.004e01e0
mov eax, dword [ebp - 8]
add esp, 0xc
mov dword [ebp - 0x24], eax
jmp 0x4d0bbd
mov eax, dword [ebp - 0x14]
test eax, eax
je 0x4d0ac5
push eax
call fcn.0051499d
jmp 0x4d0ac5
mov dword [ebp - 0x14], 0
jmp 0x4d0af6
mov ecx, dword [ebp + 8]
dec ebx
push ebx
push 0x138b
push ecx
call 0x535ad2
lea ecx, [ebp - 0x24]
call fcn.004cffb0
lea edx, [ebp - 0x14]
push edx
call 0x51d47b
mov eax, 1
jmp 0x4d0b60
mov eax, dword [ebp - 8]
mov ecx, dword [ebp + 8]
push eax
push 0x138c
push ecx
call 0x535ad2
lea ecx, [ebp - 0x24]
call fcn.004cffb0
lea edx, [ebp - 0x14]
push edx
call 0x51d47b
mov eax, 1
jmp 0x4d0b60
mov edi, 0x7f
call fcn.004d0710
mov edi, dword [ebp + 0x10]
lea eax, [ebp - 0x14]
call fcn.004d0780
lea ecx, [ebp - 0x24]
call fcn.004cffb0
lea ecx, [ebp - 0x14]
push ecx
call 0x51d47b
mov eax, 1
jmp 0x4d0b60
mov edx, dword [ebp + 8]
push ebx
push 0x1388
push edx
call 0x535ad2
mov edi, 0x7f
lea esi, [ebp - 0x14]
call fcn.004d0710
mov edi, dword [ebp + 0x10]
mov eax, esi
call fcn.004d0780
jmp 0x4f9ed3
mov edx, dword [ebp + 8]
dec ebx
push ebx
push 0x138b
push edx
call 0x535ad2
lea ecx, [ebp - 0x24]
call fcn.004cffb0
lea eax, [ebp - 0x14]
push eax
call 0x51d47b
mov eax, 1
jmp 0x4d0b60
mov edx, dword [esi]
push edx
call fcn.004e055c
mov eax, dword [esi + 0xc]
add esp, 4
push eax
call fcn.004dec76
add esp, 4
jmp 0x4d0d72