Function at 0x4c8554
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffff9c
push ebx
push esi
push edi
xor ecx, ecx
mov dword [ebp - 0x60], ecx
mov dword [ebp - 0x64], ecx
mov dword [ebp - 0x5c], ecx
mov dword [ebp - 0x58], ecx
mov dword [ebp - 0x54], ecx
mov dword [ebp - 0x50], ecx
mov dword [ebp - 0x4c], ecx
mov dword [ebp - 0x48], ecx
mov dword [ebp - 0xc], edx
mov dword [ebp - 4], eax
xor eax, eax
push ebp
push 0x13f9016
push dword fs:[eax]
mov dword fs:[eax], esp
xor esi, esi
mov eax, dword [ebp - 0xc]
xor edx, edx
mov dword [eax], edx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov edx, eax
dec edx
movzx edx, byte [edx]
cmp edx, 0x2e
jg 0x4c85f1
je 0x4c86b6
cmp edx, 0x28
jg 0x4c85d9
je 0x4c8a51
sub edx, 1
jb 0x4c8b95
sub edx, 0x23
je 0x4c866e
jmp 0x4c8e2a
sub edx, 0x29
je 0x4c8b95
dec edx
sub edx, 2
jb 0x4c8ba6
jmp 0x4c8e2a
cmp edx, 0x5c
jg 0x4c8613
je 0x4c8bb7
sub edx, 0x3f
je 0x4c8ba6
sub edx, 0x1c
je 0x4c86fc
jmp 0x4c8e2a
sub edx, 0x5e
je 0x4c8626
sub edx, 0x1e
je 0x4c8b95
jmp 0x4c8e2a
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x10
je 0x4c864a
mov eax, dword [ebp - 4]
cmp dword [eax + 0x128], 0
jne 0x4c865c
mov eax, dword [ebp - 4]
cmp byte [eax + 0x12c], 0
jne 0x4c865c
mov dl, 1
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
mov dl, 0x22
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x10
je 0x4c8692
mov eax, dword [ebp - 4]
cmp dword [eax + 0x128], 0
jne 0x4c86a4
mov eax, dword [ebp - 4]
cmp byte [eax + 0x12c], 0
jne 0x4c86a4
mov dl, 2
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
mov dl, 0x23
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 4
je 0x4c86e4
mov dl, 3
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8ff8
mov dl, 0x24
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
or dword [eax], 1
jmp 0x4c8ff8
cmp byte [eax], 0x5e
jne 0x4c8732
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x4c871b
push ebp
mov al, 0x16
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
jmp 0x4c8727
push ebp
mov al, 5
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x4c8758
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x4c874c
push ebp
mov al, 0x15
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
jmp 0x4c8758
push ebp
mov al, 4
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
mov byte [ebp - 0x3f], 0
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
cmp al, 0x5d
jne 0x4c89f4
push ebp
call fcn.004c83b4
pop ecx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x4c89f4
cmp byte [eax], 0x3f
jne 0x4c8b65
inc eax
cmp byte [eax], 0x23
jne 0x4c8ac2
mov eax, dword [ebp - 4]
add dword [eax + 0xe0], 2
jmp 0x4c8a75
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x4c8a88
cmp al, 0x29
jne 0x4c8a6c
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x29
je 0x4c8aa7
mov edx, 0x7d
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4c8ffb
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov dl, 0x13
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov ebx, dword [eax + 0xe0]
jmp 0x4c8adf
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x4c8af2
cmp al, 0x29
jne 0x4c8ad6
mov eax, dword [ebp - 4]
mov edi, dword [eax + 0xe0]
cmp byte [edi], 0x29
jne 0x4c8b39
lea eax, [ebp - 0x60]
push eax
lea eax, [ebp - 0x64]
mov edx, ebx
call fcn.004044b4
mov eax, dword [ebp - 0x64]
mov ecx, edi
sub ecx, ebx
mov edx, 1
call fcn.004047e0
mov edx, dword [ebp - 0x60]
mov eax, dword [ebp - 4]
lea ecx, [eax + 0x110]
mov eax, dword [ebp - 4]
mov eax, dword [eax]
call fcn.004c6e54
test al, al
jne 0x4c8b4a
mov edx, 0x7f
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4c8ffb
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov dl, 0x13
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
lea ecx, [ebp - 0x44]
mov edx, 1
mov eax, dword [ebp - 4]
call fcn.004c75f8
mov dword [ebp - 8], eax
cmp dword [ebp - 8], 0
jne 0x4c8b85
xor esi, esi
jmp 0x4c8ffb
mov eax, dword [ebp - 0x44]
and eax, 5
mov edx, dword [ebp - 0xc]
or dword [edx], eax
jmp 0x4c8ff8
mov edx, 0x72
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4c8ffb
mov edx, 0x73
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4c8ffb
cmp byte [eax], 0
jne 0x4c8bcd
mov edx, 0x74
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4c8ffb
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
movzx eax, byte [eax]
cmp eax, 0x57
jg 0x4c8c18
je 0x4c8d7f
cmp eax, 0x42
jg 0x4c8c01
je 0x4c8c57
add eax, 0xffffffcf
sub eax, 9
jb 0x4c8db6
sub eax, 7
je 0x4c8c69
jmp 0x4c8e06
sub eax, 0x44
je 0x4c8caf
sub eax, 0xf
je 0x4c8d0b
jmp 0x4c8e06
cmp eax, 0x64
jg 0x4c8c2e
je 0x4c8c8d
sub eax, 0x5a
je 0x4c8c7b
sub eax, 8
je 0x4c8c45
jmp 0x4c8e06
sub eax, 0x73
je 0x4c8cd1
sub eax, 4
je 0x4c8d45
jmp 0x4c8e06
mov dl, 0x25
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8e1c
mov dl, 0x26
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8e1c
mov dl, 1
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8e1c
mov dl, 2
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8e1c
mov dl, 0xc
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
mov dl, 0xd
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
push ebp
mov al, 4
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x118]
call fcn.004c83d0
pop ecx
push ebp
xor eax, eax
call fcn.004c80cc
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
push ebp
mov al, 5
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x118]
call fcn.004c83d0
pop ecx
push ebp
xor eax, eax
call fcn.004c80cc
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
push ebp
mov al, 4
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11c]
call fcn.004c83d0
pop ecx
push ebp
xor eax, eax
call fcn.004c80cc
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
push ebp
mov al, 5
call fcn.004c7fc8
pop ecx
mov dword [ebp - 8], eax
push ebp
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0x11c]
call fcn.004c83d0
pop ecx
push ebp
xor eax, eax
call fcn.004c80cc
pop ecx
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x4c8dd1
mov dl, 0x1d
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8dde
mov dl, 0x1c
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov dl, byte [eax]
sub dl, 0x30
mov eax, dword [ebp - 4]
call fcn.004c72ac
mov eax, dword [ebp - 0xc]
mov eax, dword [eax]
or eax, 1
or eax, 2
mov edx, dword [ebp - 0xc]
mov dword [edx], eax
jmp 0x4c8e1c
push ebp
push ebp
mov eax, dword [ebp - 4]
add eax, 0xe0
call fcn.004c8404
pop ecx
call fcn.004c7f10
pop ecx
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
jmp 0x4c8ff8
mov eax, dword [ebp - 4]
dec dword [eax + 0xe0]
mov edx, dword [ebp - 4]
test byte [edx + 0x110], 0x20
je 0x4c8ee8
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
cmp al, 0x23
je 0x4c8e64
add al, 0xf7
sub al, 2
jb 0x4c8e64
sub al, 2
je 0x4c8e64
sub al, 0x13
jne 0x4c8ee8
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x23
jne 0x4c8ebd
jmp 0x4c8e7d
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
test al, al
je 0x4c8e9f
cmp al, 0xd
je 0x4c8e9f
cmp al, 0xa
jne 0x4c8e74
jmp 0x4c8e9f
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
cmp al, 0xd
je 0x4c8e96
cmp al, 0xa
je 0x4c8e96
jmp 0x4c8ed6
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
add al, 0xf7
sub al, 2
jb 0x4c8eb4
sub al, 2
je 0x4c8eb4
sub al, 0x13
je 0x4c8eb4
mov dl, 0x13
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8ff8
mov edx, 0x146b378
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
call fcn.004c7330
mov ebx, eax
test ebx, ebx
jg 0x4c8f30
mov eax, dword [ebp - 4]
mov ebx, dword [eax + 0xe0]
cmp byte [ebx], 0x7b
je 0x4c8f20
mov edx, 0x77
mov eax, dword [ebp - 4]
mov ecx, dword [eax]
call dword [ecx]
jmp 0x4c8ffb
mov edx, 0x146b378
mov eax, ebx
inc eax
call fcn.004c7330
inc eax
mov ebx, eax
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
add eax, ebx
mov al, byte [eax]
cmp ebx, 1
jle 0x4c8f53
cmp al, 0x2a
je 0x4c8f52
cmp al, 0x2b
je 0x4c8f52
cmp al, 0x3f
je 0x4c8f52
cmp al, 0x7b
jne 0x4c8f53
dec ebx
mov eax, dword [ebp - 0xc]
or dword [eax], 1
cmp ebx, 1
jne 0x4c8f64
mov eax, dword [ebp - 0xc]
or dword [eax], 2
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 1
je 0x4c8f7f
mov dl, 0x14
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8fd0
mov dl, 8
mov eax, dword [ebp - 4]
call fcn.004c7270
mov dword [ebp - 8], eax
jmp 0x4c8fd0
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x20
je 0x4c8fb3
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov al, byte [eax]
add al, 0xf7
sub al, 2
jb 0x4c8fc6
sub al, 2
je 0x4c8fc6
sub al, 0x13
je 0x4c8fc6
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
mov dl, byte [eax]
mov eax, dword [ebp - 4]
call fcn.004c72ac
mov eax, dword [ebp - 4]
inc dword [eax + 0xe0]
dec ebx
test ebx, ebx
jle 0x4c8fee
mov eax, dword [ebp - 4]
test byte [eax + 0x110], 0x20
je 0x4c8f8e
mov eax, dword [ebp - 4]
mov eax, dword [eax + 0xe0]
cmp byte [eax], 0x23
jne 0x4c8f8e
xor edx, edx
mov eax, dword [ebp - 4]
call fcn.004c72ac