Function at 0x474f05
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x4df78c]
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 [0x4df78c], edi
cmp cl, 0x41
jg 0x4750ae
je 0x475521
test cl, cl
je 0x475094
cmp cl, 0x2f
jle case.default.0x475417
cmp cl, 0x31
jle 0x474fbc
cmp cl, 0x39
jg case.default.0x475417
movsx eax, byte [edi - 1]
lea eax, [eax*8 + 0x4ba9e0]
push eax
lea ecx, [ebp - 8]
call fcn.00471e2a
cmp dword [ebp - 8], 0
je 0x474fa9
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.00471bf0
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.00471f54
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 0x475035
lea eax, [ebp - 0x20]
push eax
call fcn.004762c3
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.00471ee5
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.00472012
lea ecx, [ebp - 0x10]
call fcn.00474d08
cmp al, 0x3e
jne 0x475000
push 0x20
lea ecx, [ebp - 0x10]
call fcn.00472069
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.00472069
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x475014
mov byte [eax], 1
mov edi, dword [0x4df78c]
cmp byte [edi], bl
jne 0x47502b
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x474fb4
mov ebx, dword [ebp - 0x10]
inc edi
mov dword [0x4df78c], edi
push esi
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.004770c7
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x4df78c], edi
test ecx, ecx
je 0x47507b
cmp byte [edi - 1], 0x31
jne 0x47507b
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.00471ee5
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 0x474fa9
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.00472012
jmp 0x474fa9
lea eax, [edi - 1]
mov dword [0x4df78c], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.00471c5e
mov eax, dword [ebp + 8]
jmp 0x474fb7
cmp cl, 0x42
je 0x47551e
jle case.default.0x475417
cmp cl, 0x5a
jle 0x475521
cmp cl, 0x5f
jne case.default.0x475417
movsx eax, byte [edi]
lea ecx, [edi + 1]
mov dword [0x4df78c], ecx
cmp eax, 0x4f
jg 0x4751f1
cmp eax, 0x44
jge 0x4754ed
cmp eax, 0x39
jg 0x47516d
je 0x475140
test eax, eax
je 0x475135
cmp eax, 0x2f
jle case.default.0x475417
cmp eax, 0x36
jle 0x475125
cmp eax, 0x38
jg case.default.0x475417
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4bab00]
mov ecx, dword [ebp + 8]
push eax
call fcn.00471bf0
jmp 0x4750a6
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4bab00]
jmp 0x474f65
mov dword [0x4df78c], edi
jmp 0x47509c
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x4bab00]
push eax
call fcn.00471bf0
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 0x474fb7
cmp eax, 0x3f
je 0x47519e
cmp eax, 0x40
jle case.default.0x475417
cmp eax, 0x42
jle 0x4754ed
push 1
lea eax, [ebp - 0x18]
push esi
push eax
call fcn.00476199
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x47515d
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x4df78c], eax
test dl, dl
je 0x4751e6
mov edi, dword [ebp + 8]
cmp dl, 0x30
je 0x4751bf
mov dword [edi + 4], esi
mov byte [edi + 4], 2
mov dword [edi], esi
jmp 0x4751df
push esi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.00476199
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 0x474fb7
mov dword [0x4df78c], ecx
jmp 0x47509c
cmp eax, 0x54
jg 0x4753d6
cmp eax, 0x53
jge 0x4754ed
sub eax, 0x50
je 0x475386
sub eax, 1
je 0x474f6e
sub eax, 1
jne case.default.0x475417
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x4baac8]
push eax
call fcn.00471e2a
mov eax, dword [0x4df78c]
mov al, byte [eax]
test al, al
jne 0x47524f
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.00471f98
jmp 0x4750a6
movsx eax, al
sub eax, 0x30
js case.default.0x475417
cmp eax, 5
jae case.default.0x475417
lea eax, [eax*8 + 0x4bae08]
push eax
lea ecx, [ebp - 0x18]
call fcn.00471e2a
mov eax, dword [0x4df78c]
mov cl, byte [eax]
inc eax
mov dword [0x4df78c], eax
cmp cl, 0x30
je 0x47534c
cmp cl, 0x31
je 0x4752a0
jle 0x47529a
cmp cl, 0x34
jle 0x4753c2
dec eax
jmp 0x475097
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.00472012
lea eax, [ebp - 0x20]
push eax
call fcn.00476000
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00471f76
push eax
lea ecx, [ebp - 0x10]
call fcn.00472012
lea eax, [ebp - 0x20]
push eax
call fcn.00476000
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00471f76
push eax
lea ecx, [ebp - 0x10]
call fcn.00472012
lea eax, [ebp - 0x20]
push eax
call fcn.00476000
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00471f76
push eax
lea ecx, [ebp - 0x10]
call fcn.00472012
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.00474316
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00471f76
push eax
lea ecx, [ebp - 0x10]
call fcn.00472012
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.00471f76
jmp 0x4750a6
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.00473fd5
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.00472069
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.00471f54
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x4753c9
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x4baac8]
push eax
call fcn.00471e2a
push esi
lea eax, [ebp - 0x28]
push esi
push eax
call fcn.00474f05
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 0x4753c2
test eax, 0x400
jne case.default.0x475417
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.00471f54
jmp 0x4750a6
cmp eax, 0x56
jle 0x4754fd
cmp eax, 0x57
jle case.default.0x475417
cmp eax, 0x59
jle 0x4754ed
cmp eax, 0x5f
jne case.default.0x475417
movsx eax, byte [ecx]
inc ecx
sub eax, 0x41
mov dword [0x4df78c], ecx
cmp eax, 0xc
ja case.default.0x475417
movzx eax, byte [eax + 0x475561]
jmp dword [eax*4 + 0x475555]
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4bab90]
jmp 0x47511a
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x4bab90]
push eax
call fcn.00471bf0
mov eax, dword [0x4df78c]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x475471
call fcn.004740ac
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00472012
mov eax, dword [0x4df78c]
cmp byte [eax], 0x40
jne 0x475480
inc eax
mov dword [0x4df78c], eax
jmp 0x475480
call fcn.0047627b
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00472012
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x4bb4dc
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.00471fba
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x474fb4
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x4bab90]
push eax
call fcn.00471bf0
jmp 0x4754d4
cmp al, 0x40
je 0x4754e4
inc ecx
mov dword [0x4df78c], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.00472069
mov ecx, dword [0x4df78c]
mov al, byte [ecx]
test al, al
jne 0x4754c0
cmp al, 0x40
jne 0x47549a
inc ecx
mov dword [0x4df78c], ecx
jmp 0x47549a
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4baac8]
jmp 0x47511a
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x4baac8]
jmp 0x474f65
mov eax, dword [ebp + 8]
mov dword [eax + 4], esi
mov byte [eax + 4], 2
mov dword [eax], esi
jmp 0x474fb7
xor esi, esi
inc esi
movsx eax, byte [edi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x4ba9a8]
push eax
call fcn.00471e2a
test esi, esi
je 0x474f6e
cmp dword [ebp - 8], 0
je 0x474fa9
or dword [ebp - 4], 0x200
jmp 0x474fa9