Function at 0x498533
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x509c6c]
push ebx
push esi
xor esi, esi
mov cl, byte [eax]
mov dword [ebp - 8], esi
mov dword [ebp - 4], esi
mov dword [ebp - 0x18], esi
mov dword [ebp - 0x14], esi
push edi
lea edi, [eax + 1]
mov dword [0x509c6c], edi
cmp cl, 0x41
jg 0x4986dc
je 0x498b4f
test cl, cl
je 0x4986c2
cmp cl, 0x2f
jle case.default.0x498a45
cmp cl, 0x31
jle 0x4985ea
cmp cl, 0x39
jg case.default.0x498a45
movsx eax, byte [edi - 1]
lea eax, [eax*8 + 0x4d95d0]
push eax
lea ecx, [ebp - 8]
call fcn.00495458
cmp dword [ebp - 8], 0
je 0x4985d7
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.0049521e
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.00495582
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, esi
mov dword [ebp - 0xc], esi
mov dword [ebp - 0x10], ebx
cmp byte [ebp + 0xc], bl
je 0x498663
lea eax, [ebp - 0x20]
push eax
call fcn.004998f1
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.00495513
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.00495640
lea ecx, [ebp - 0x10]
call fcn.00498336
cmp al, 0x3e
jne 0x49862e
push 0x20
lea ecx, [ebp - 0x10]
call fcn.00495697
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.00495697
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x498642
mov byte [eax], 1
mov edi, dword [0x509c6c]
cmp byte [edi], bl
jne 0x498659
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x4985e2
mov ebx, dword [ebp - 0x10]
inc edi
mov dword [0x509c6c], edi
push esi
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.0049a6f5
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x509c6c], edi
test ecx, ecx
je 0x4986a9
cmp byte [edi - 1], 0x31
jne 0x4986a9
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.00495513
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 0x4985d7
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.00495640
jmp 0x4985d7
lea eax, [edi - 1]
mov dword [0x509c6c], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.0049528c
mov eax, dword [ebp + 8]
jmp 0x4985e5
cmp cl, 0x42
je 0x498b4c
jle case.default.0x498a45
cmp cl, 0x5a
jle 0x498b4f
cmp cl, 0x5f
jne case.default.0x498a45
movsx eax, byte [edi]
lea ecx, [edi + 1]
mov dword [0x509c6c], ecx
cmp eax, 0x4f
jg 0x49881f
cmp eax, 0x44
jge 0x498b1b
cmp eax, 0x39
jg 0x49879b
je 0x49876e
test eax, eax
je 0x498763
cmp eax, 0x2f
jle case.default.0x498a45
cmp eax, 0x36
jle 0x498753
cmp eax, 0x38
jg case.default.0x498a45
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4d96f0]
mov ecx, dword [ebp + 8]
push eax
call fcn.0049521e
jmp 0x4986d4
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4d96f0]
jmp 0x498593
mov dword [0x509c6c], edi
jmp 0x4986ca
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x4d96f0]
push eax
call fcn.0049521e
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 0x4985e5
cmp eax, 0x3f
je 0x4987cc
cmp eax, 0x40
jle case.default.0x498a45
cmp eax, 0x42
jle 0x498b1b
push 1
lea eax, [ebp - 0x18]
push esi
push eax
call fcn.004997c7
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x49878b
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x509c6c], eax
test dl, dl
je 0x498814
mov edi, dword [ebp + 8]
cmp dl, 0x30
je 0x4987ed
mov dword [edi + 4], esi
mov byte [edi + 4], 2
mov dword [edi], esi
jmp 0x49880d
push esi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.004997c7
mov ecx, dword [ebp - 0x14]
add esp, 0xc
mov eax, dword [ebp - 0x18]
or ecx, 0x1000
mov dword [edi], eax
mov dword [edi + 4], ecx
mov eax, edi
jmp 0x4985e5
mov dword [0x509c6c], ecx
jmp 0x4986ca
cmp eax, 0x54
jg 0x498a04
cmp eax, 0x53
jge 0x498b1b
sub eax, 0x50
je 0x4989b4
sub eax, 1
je 0x49859c
sub eax, 1
jne case.default.0x498a45
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x4d96b8]
push eax
call fcn.00495458
mov eax, dword [0x509c6c]
mov al, byte [eax]
test al, al
jne 0x49887d
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.004955c6
jmp 0x4986d4
movsx eax, al
sub eax, 0x30
js case.default.0x498a45
cmp eax, 5
jae case.default.0x498a45
lea eax, [eax*8 + 0x4d99f8]
push eax
lea ecx, [ebp - 0x18]
call fcn.00495458
mov eax, dword [0x509c6c]
mov cl, byte [eax]
inc eax
mov dword [0x509c6c], eax
cmp cl, 0x30
je 0x49897a
cmp cl, 0x31
je 0x4988ce
jle 0x4988c8
cmp cl, 0x34
jle 0x4989f0
dec eax
jmp 0x4986c5
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.00495640
lea eax, [ebp - 0x20]
push eax
call fcn.0049962e
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004955a4
push eax
lea ecx, [ebp - 0x10]
call fcn.00495640
lea eax, [ebp - 0x20]
push eax
call fcn.0049962e
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004955a4
push eax
lea ecx, [ebp - 0x10]
call fcn.00495640
lea eax, [ebp - 0x20]
push eax
call fcn.0049962e
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004955a4
push eax
lea ecx, [ebp - 0x10]
call fcn.00495640
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.00497944
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004955a4
push eax
lea ecx, [ebp - 0x10]
call fcn.00495640
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.004955a4
jmp 0x4986d4
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.00497603
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.00495697
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.00495582
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x4989f7
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x4d96b8]
push eax
call fcn.00495458
push esi
lea eax, [ebp - 0x28]
push esi
push eax
call fcn.00498533
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 0x4989f0
test eax, 0x400
jne case.default.0x498a45
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.00495582
jmp 0x4986d4
cmp eax, 0x56
jle 0x498b2b
cmp eax, 0x57
jle case.default.0x498a45
cmp eax, 0x59
jle 0x498b1b
cmp eax, 0x5f
jne case.default.0x498a45
movsx eax, byte [ecx]
inc ecx
sub eax, 0x41
mov dword [0x509c6c], ecx
cmp eax, 0xc
ja case.default.0x498a45
movzx eax, byte [eax + 0x498b8f]
jmp dword [eax*4 + 0x498b83]
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4d9780]
jmp 0x498748
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x4d9780]
push eax
call fcn.0049521e
mov eax, dword [0x509c6c]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x498a9f
call fcn.004976da
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00495640
mov eax, dword [0x509c6c]
cmp byte [eax], 0x40
jne 0x498aae
inc eax
mov dword [0x509c6c], eax
jmp 0x498aae
call fcn.004998a9
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00495640
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x4da0c0
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.004955e8
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x4985e2
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x4d9780]
push eax
call fcn.0049521e
jmp 0x498b02
cmp al, 0x40
je 0x498b12
inc ecx
mov dword [0x509c6c], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.00495697
mov ecx, dword [0x509c6c]
mov al, byte [ecx]
test al, al
jne 0x498aee
cmp al, 0x40
jne 0x498ac8
inc ecx
mov dword [0x509c6c], ecx
jmp 0x498ac8
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4d96b8]
jmp 0x498748
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4d96b8]
jmp 0x498593
mov eax, dword [ebp + 8]
mov dword [eax + 4], esi
mov byte [eax + 4], 2
mov dword [eax], esi
jmp 0x4985e5
xor esi, esi
inc esi
movsx eax, byte [edi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x4d9598]
push eax
call fcn.00495458
test esi, esi
je 0x49859c
cmp dword [ebp - 8], 0
je 0x4985d7
or dword [ebp - 4], 0x200
jmp 0x4985d7