Function at 0x42b3ab
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x475c14]
push ebx
push esi
push edi
mov cl, byte [eax]
lea esi, [eax + 1]
xor edi, edi
mov dword [0x475c14], 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 0x42b55e
je 0x42b9ae
test cl, cl
je 0x42b544
cmp cl, 0x2f
jle case.default.0x42b8b3
cmp cl, 0x31
jle 0x42b454
cmp cl, 0x39
jg case.default.0x42b8b3
movsx eax, byte [esi - 1]
push dword [eax*4 + 0x464a98]
lea ecx, [ebp - 8]
call fcn.004282bc
cmp dword [ebp - 8], 0
je 0x42b441
push str.operator
lea ecx, [ebp - 0x28]
call fcn.00427f9b
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004283c5
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 0x42b4dd
lea eax, [ebp - 0x18]
push eax
call fcn.0042c6af
pop ecx
push 0x3c
lea ecx, [ebp - 0x28]
mov esi, eax
call fcn.00427f2e
push esi
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004283c5
lea eax, [ebp - 0x20]
push eax
lea ecx, [ebp - 0x10]
call fcn.0042846f
lea ecx, [ebp - 0x10]
call fcn.0042b1ba
cmp al, 0x3e
jne 0x42b4a5
push 0x20
lea ecx, [ebp - 0x10]
call fcn.004284b0
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.004284b0
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x42b4b9
mov byte [eax], 1
mov esi, dword [0x475c14]
cmp byte [esi], bl
jne 0x42b4d3
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x42b44c
mov ebx, dword [ebp - 0x10]
inc esi
mov dword [0x475c14], esi
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.0042d40e
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x475c14], esi
test ecx, ecx
je 0x42b52b
cmp byte [esi - 1], 0x31
jne 0x42b52b
push 0x7e
lea ecx, [ebp - 0x28]
call fcn.00427f2e
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004283c5
mov eax, dword [ebp - 0x18]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x14]
mov dword [ebp - 4], eax
test ebx, ebx
je 0x42b441
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.0042846f
jmp 0x42b441
lea eax, [esi - 1]
mov ecx, dword [ebp + 8]
push 1
mov dword [0x475c14], eax
call fcn.00427fce
mov eax, dword [ebp + 8]
jmp 0x42b44f
cmp cl, 0x42
je 0x42b9ab
jle case.default.0x42b8b3
cmp cl, 0x5a
jle 0x42b9ae
cmp cl, 0x5f
jne case.default.0x42b8b3
movsx eax, byte [esi]
inc esi
mov dword [0x475c14], esi
cmp eax, 0x4f
jg 0x42b690
cmp eax, 0x44
jge 0x42b97a
cmp eax, 0x39
jg 0x42b60e
je 0x42b5e2
test eax, eax
je 0x42b544
cmp eax, 0x2f
jle case.default.0x42b8b3
cmp eax, 0x36
jle 0x42b5d2
cmp eax, 0x38
jg case.default.0x42b8b3
movsx eax, byte [esi - 1]
push dword [eax*4 + 0x464b28]
mov ecx, dword [ebp + 8]
call fcn.00427f9b
jmp 0x42b556
movsx eax, byte [esi - 1]
push dword [eax*4 + 0x464b28]
jmp 0x42b40b
movsx eax, byte [esi - 1]
lea ecx, [ebp - 0x18]
push dword [eax*4 + 0x464b28]
call fcn.00427f9b
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 0x42b44f
cmp eax, 0x3f
je 0x42b643
cmp eax, 0x40
jle case.default.0x42b8b3
cmp eax, 0x42
jle 0x42b97a
push 1
lea eax, [ebp - 0x18]
push str._string
push eax
call fcn.0042c580
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x42b5fe
mov al, byte [esi]
inc esi
mov dword [0x475c14], esi
test al, al
je 0x42b544
mov esi, dword [ebp + 8]
cmp al, 0x30
je 0x42b666
mov dword [esi + 4], edi
mov byte [esi + 4], 2
mov dword [esi], edi
jmp 0x42b689
push edi
lea eax, [ebp - 0x18]
push str._anonymous_namespace
push eax
call fcn.0042c580
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 0x42b44f
cmp eax, 0x54
jg 0x42b872
cmp eax, 0x53
jge 0x42b97a
sub eax, 0x50
je 0x42b823
sub eax, 1
je 0x42b413
sub eax, 1
jne case.default.0x42b8b3
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
push dword [eax*4 + str.bad_exception]
call fcn.004282bc
mov eax, dword [0x475c14]
mov al, byte [eax]
test al, al
jne 0x42b6ed
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.0042844d
jmp 0x42b556
movsx eax, al
sub eax, 0x30
js case.default.0x42b8b3
cmp eax, 5
jae case.default.0x42b8b3
push dword [eax*4 + 0x464cac]
lea ecx, [ebp - 0x18]
call fcn.004282bc
mov eax, dword [0x475c14]
mov cl, byte [eax]
inc eax
mov dword [0x475c14], eax
cmp cl, 0x30
je 0x42b7e9
cmp cl, 0x31
je 0x42b73d
jle 0x42b737
cmp cl, 0x34
jle 0x42b85e
dec eax
jmp 0x42b547
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.0042846f
lea eax, [ebp - 0x28]
push eax
call fcn.0042c3e7
pop ecx
push 0x2c
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004283e7
push eax
lea ecx, [ebp - 0x10]
call fcn.0042846f
lea eax, [ebp - 0x28]
push eax
call fcn.0042c3e7
pop ecx
push 0x2c
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004283e7
push eax
lea ecx, [ebp - 0x10]
call fcn.0042846f
lea eax, [ebp - 0x28]
push eax
call fcn.0042c3e7
pop ecx
push 0x2c
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004283e7
push eax
lea ecx, [ebp - 0x10]
call fcn.0042846f
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.0042a812
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004283e7
push eax
lea ecx, [ebp - 0x10]
call fcn.0042846f
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.004283e7
jmp 0x42b556
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.0042a50b
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.004284b0
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.004283c5
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x42b865
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
push dword [eax*4 + str.bad_exception]
call fcn.004282bc
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.0042b3ab
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 0x42b85e
test eax, 0x400
jne case.default.0x42b8b3
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.004283c5
jmp 0x42b556
cmp eax, 0x56
jle 0x42b98a
cmp eax, 0x57
jle case.default.0x42b8b3
cmp eax, 0x59
jle 0x42b97a
cmp eax, 0x5f
jne case.default.0x42b8b3
movsx eax, byte [esi]
inc esi
sub eax, 0x41
mov dword [0x475c14], esi
cmp eax, 0xc
ja case.default.0x42b8b3
movzx eax, byte [eax + 0x42b9eb]
jmp dword [eax*4 + 0x42b9df]
movsx eax, byte [esi - 1]
push dword [eax*4 + 0x464b70]
jmp 0x42b5c8
movsx eax, byte [esi - 1]
lea ecx, [ebp - 0x18]
push dword [eax*4 + 0x464b70]
call fcn.00427f9b
mov eax, dword [0x475c14]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x42b90c
call fcn.0042a5d0
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.0042846f
mov eax, dword [0x475c14]
cmp byte [eax], 0x40
jne 0x42b91b
inc eax
mov dword [0x475c14], eax
jmp 0x42b91b
call fcn.0042c667
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.0042846f
push 0x465310
lea ecx, [ebp - 0x18]
call fcn.00428565
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x42b44c
movsx eax, byte [esi - 1]
lea ecx, [ebp - 0x18]
push dword [eax*4 + 0x464b70]
call fcn.00427f9b
jmp 0x42b961
cmp al, 0x40
je 0x42b971
inc ecx
mov dword [0x475c14], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.004284b0
mov ecx, dword [0x475c14]
mov al, byte [ecx]
test al, al
jne 0x42b94d
cmp al, 0x40
jne 0x42b928
inc ecx
mov dword [0x475c14], ecx
jmp 0x42b928
movsx eax, byte [esi - 1]
push dword [eax*4 + str.bad_exception]
jmp 0x42b5c8
movsx eax, byte [esi - 1]
push dword [eax*4 + str.bad_exception]
jmp 0x42b40b
mov eax, dword [ebp + 8]
mov dword [eax + 4], edi
mov byte [eax + 4], 2
mov dword [eax], edi
jmp 0x42b44f
xor edi, edi
inc edi
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
push dword [eax*4 + 0x464a7c]
call fcn.004282bc
test edi, edi
je 0x42b413
cmp dword [ebp - 8], 0
je 0x42b441
or dword [ebp - 4], 0x200
jmp 0x42b441