Function at 0x4cac0a
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x5a5818]
push ebx
push esi
push edi
mov cl, byte [eax]
lea esi, [eax + 1]
xor edi, edi
mov dword [0x5a5818], esi
mov dword [ebp - 8], edi
mov dword [ebp - 4], edi
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x14], edi
cmp cl, 0x41
jg 0x4cadcb
je 0x4cb25d
test cl, cl
je 0x4cadb1
cmp cl, 0x2f
jle case.default.0x4cb136
cmp cl, 0x31
jle 0x4cacc1
cmp cl, 0x39
jg case.default.0x4cb136
movsx eax, byte [esi - 1]
lea eax, [eax*8 + 0x5609d8]
push eax
lea ecx, [ebp - 8]
call fcn.004c75fc
cmp dword [ebp - 8], 0
je 0x4cacae
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.004c7337
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004c77a2
mov eax, dword [ebp - 0x20]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 4], eax
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 8]
mov dword [eax], ecx
mov ecx, dword [ebp - 4]
mov dword [eax + 4], ecx
pop edi
pop esi
pop ebx
leave
ret
mov ebx, edi
mov dword [ebp - 0xc], edi
mov dword [ebp - 0x10], ebx
cmp byte [ebp + 0xc], bl
je 0x4cad52
lea eax, [ebp - 0x20]
push eax
call fcn.004cc0ff
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.004c7733
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.004c789c
mov ebx, dword [ebp - 0x10]
test ebx, ebx
je 0x4cad19
mov eax, dword [ebx]
mov esi, dword [eax + 8]
mov ecx, esi
call dword [0x53f60c]
mov ecx, ebx
call esi
cmp al, 0x3e
jne 0x4cad19
push 0x20
lea ecx, [ebp - 0x10]
call fcn.004c78f3
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.004c78f3
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x4cad2d
mov byte [eax], 1
mov esi, dword [0x5a5818]
cmp byte [esi], 0
jne 0x4cad48
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x4cacb9
mov ebx, dword [ebp - 0x10]
inc esi
mov dword [0x5a5818], esi
push edi
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004cd074
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x5a5818], esi
test ecx, ecx
je 0x4cad98
cmp byte [esi - 1], 0x31
jne 0x4cad98
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.004c7733
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
test ebx, ebx
je 0x4cacae
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.004c789c
jmp 0x4cacae
lea eax, [esi - 1]
mov dword [0x5a5818], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.004c73d7
mov eax, dword [ebp + 8]
jmp 0x4cacbc
cmp cl, 0x42
je 0x4cb25a
jle case.default.0x4cb136
cmp cl, 0x5a
jle 0x4cb25d
cmp cl, 0x5f
jne case.default.0x4cb136
movsx eax, byte [esi]
lea ecx, [esi + 1]
mov dword [0x5a5818], ecx
cmp eax, 0x4f
jg 0x4caf0e
cmp eax, 0x44
jge 0x4cb229
cmp eax, 0x39
jg 0x4cae8a
je 0x4cae5d
test eax, eax
je 0x4cae52
cmp eax, 0x2f
jle case.default.0x4cb136
cmp eax, 0x36
jle 0x4cae42
cmp eax, 0x38
jg case.default.0x4cb136
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x560af8]
mov ecx, dword [ebp + 8]
push eax
call fcn.004c7337
jmp 0x4cadc3
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x560af8]
jmp 0x4cac6a
mov dword [0x5a5818], esi
jmp 0x4cadb9
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x560af8]
push eax
call fcn.004c7337
mov edx, dword [ebp - 0x14]
or edx, 0x8000
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov dword [eax + 4], edx
jmp 0x4cacbc
cmp eax, 0x3f
je 0x4caebb
cmp eax, 0x40
jle case.default.0x4cb136
cmp eax, 0x42
jle 0x4cb229
push 1
lea eax, [ebp - 0x18]
push edi
push eax
call fcn.004cbf7e
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x4cae7a
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x5a5818], eax
test dl, dl
je 0x4caf03
mov esi, dword [ebp + 8]
cmp dl, 0x30
je 0x4caedc
mov dword [esi + 4], edi
mov byte [esi + 4], 2
mov dword [esi], edi
jmp 0x4caefc
push edi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.004cbf7e
mov ecx, dword [ebp - 0x14]
add esp, 0xc
mov eax, dword [ebp - 0x18]
or ecx, 0x1000
mov dword [esi], eax
mov dword [esi + 4], ecx
mov eax, esi
jmp 0x4cacbc
mov dword [0x5a5818], ecx
jmp 0x4cadb9
cmp eax, 0x54
jg 0x4cb0f3
cmp eax, 0x53
jge 0x4cb229
sub eax, 0x50
je 0x4cb0a3
sub eax, 1
je 0x4cac73
sub eax, 1
jne case.default.0x4cb136
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x560ac0]
push eax
call fcn.004c75fc
mov eax, dword [0x5a5818]
mov al, byte [eax]
test al, al
jne 0x4caf6c
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.004c7808
jmp 0x4cadc3
movsx eax, al
sub eax, 0x30
js case.default.0x4cb136
cmp eax, 5
jae case.default.0x4cb136
lea eax, [eax*8 + 0x560e00]
push eax
lea ecx, [ebp - 0x18]
call fcn.004c75fc
mov eax, dword [0x5a5818]
mov cl, byte [eax]
inc eax
mov dword [0x5a5818], eax
cmp cl, 0x30
je 0x4cb069
cmp cl, 0x31
je 0x4cafbd
jle 0x4cafb7
cmp cl, 0x34
jle 0x4cb0df
dec eax
jmp 0x4cadb4
mov eax, dword [ebp - 8]
lea ecx, [ebp - 0x10]
mov dword [ebp - 0x10], eax
mov eax, dword [ebp - 4]
mov dword [ebp - 0xc], eax
lea eax, [ebp - 0x18]
push eax
call fcn.004c789c
lea eax, [ebp - 0x20]
push eax
call fcn.004cbdc4
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004c77c4
push eax
lea ecx, [ebp - 0x10]
call fcn.004c789c
lea eax, [ebp - 0x20]
push eax
call fcn.004cbdc4
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004c77c4
push eax
lea ecx, [ebp - 0x10]
call fcn.004c789c
lea eax, [ebp - 0x20]
push eax
call fcn.004cbdc4
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004c77c4
push eax
lea ecx, [ebp - 0x10]
call fcn.004c789c
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004c9f04
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004c77c4
push eax
lea ecx, [ebp - 0x10]
call fcn.004c789c
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.004c77c4
jmp 0x4cadc3
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004c9bc3
mov eax, dword [ebp - 0x20]
pop ecx
pop ecx
mov dword [ebp - 0x10], eax
lea ecx, [ebp - 0x10]
mov eax, dword [ebp - 0x1c]
push 0x20
mov dword [ebp - 0xc], eax
call fcn.004c78f3
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.004c77a2
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x4cb0e6
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x560ac0]
push eax
call fcn.004c75fc
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.004cac0a
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 0x18], ecx
mov dword [ebp - 0x14], eax
test ecx, ecx
je 0x4cb0df
test eax, 0x400
jne case.default.0x4cb136
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.004c77a2
jmp 0x4cadc3
cmp eax, 0x56
jle 0x4cb239
cmp eax, 0x57
jle case.default.0x4cb136
cmp eax, 0x59
jle 0x4cb229
cmp eax, 0x5f
jne case.default.0x4cb136
movsx eax, byte [ecx]
lea edx, [ecx + 1]
sub eax, 0x41
mov dword [0x5a5818], edx
cmp eax, 0xd
ja case.default.0x4cb136
movzx eax, byte [eax + 0x4cb2a2]
jmp dword [eax*4 + 0x4cb292]
movsx eax, byte [edx - 1]
lea eax, [eax*8 + 0x560b88]
jmp 0x4cae37
movsx eax, byte [edx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x560b88]
push eax
call fcn.004c7337
mov eax, dword [0x5a5818]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x4cb190
call fcn.004c9c9a
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.004c789c
mov eax, dword [0x5a5818]
cmp byte [eax], 0x40
jne 0x4cb19f
inc eax
mov dword [0x5a5818], eax
jmp 0x4cb19f
call fcn.004cc0b7
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.004c789c
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x5614c8
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.004c7844
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x4cacb9
movsx eax, byte [edx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x560b88]
push eax
call fcn.004c7337
jmp 0x4cb1f3
cmp al, 0x40
je 0x4cb203
inc ecx
mov dword [0x5a5818], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.004c78f3
mov ecx, dword [0x5a5818]
mov al, byte [ecx]
test al, al
jne 0x4cb1df
cmp al, 0x40
jne 0x4cb1b9
inc ecx
mov dword [0x5a5818], ecx
jmp 0x4cb1b9
mov cl, byte [edx]
lea eax, [edx + 1]
mov dword [0x5a5818], eax
cmp cl, 0x32
jne case.default.0x4cb136
push dword [ebp + 8]
call fcn.004ccd9a
pop ecx
jmp 0x4cadc3
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x560ac0]
jmp 0x4cae37
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x560ac0]
jmp 0x4cac6a
mov eax, dword [ebp + 8]
mov dword [eax + 4], edi
mov byte [eax + 4], 2
mov dword [eax], edi
jmp 0x4cacbc
xor edi, edi
inc edi
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x5609a0]
push eax
call fcn.004c75fc
test edi, edi
je 0x4cac73
cmp dword [ebp - 8], 0
je 0x4cacae
or dword [ebp - 4], 0x200
jmp 0x4cacae