Function at 0x50b7d6
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x5f1624]
push ebx
push esi
push edi
mov cl, byte [eax]
lea esi, [eax + 1]
xor edi, edi
mov dword [0x5f1624], esi
mov dword [ebp - 8], edi
mov dword [ebp - 4], edi
mov dword [ebp - 0x10], edi
mov dword [ebp - 0xc], edi
cmp cl, 0x41
jg 0x50b9a7
je 0x50bdcb
test cl, cl
je 0x50b98d
cmp cl, 0x2f
jle case.default.0x50bcd3
cmp cl, 0x31
jle 0x50b881
cmp cl, 0x39
jg case.default.0x50bcd3
movsx eax, byte [esi - 1]
push dword [eax*4 + 0x544008]
lea ecx, [ebp - 8]
call fcn.0050868a
cmp dword [ebp - 8], 0
je 0x50b86c
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
push str.operator
lea ecx, [ebp - 0x20]
call fcn.00508454
mov ecx, eax
call fcn.005088f0
mov eax, dword [ebp - 0x28]
mov dword [ebp - 8], eax
mov eax, dword [ebp - 0x24]
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
mov esp, ebp
pop ebp
ret
mov ebx, edi
mov dword [ebp - 0xc], edi
mov dword [ebp - 0x10], ebx
cmp byte [ebp + 0xc], bl
je 0x50b91c
lea eax, [ebp - 0x20]
push eax
call fcn.0050cabe
pop ecx
push eax
lea eax, [ebp - 0x28]
push eax
push 0x3c
lea ecx, [ebp - 0x18]
call fcn.005083e7
mov ecx, eax
call fcn.005088f0
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.00508978
mov ebx, dword [ebp - 0x10]
test ebx, ebx
je 0x50b8e3
mov eax, dword [ebx]
mov esi, dword [eax + 4]
mov ecx, esi
call fcn.004edddc
mov ecx, ebx
call esi
cmp al, 0x3e
jne 0x50b8e3
push 0x20
lea ecx, [ebp - 0x10]
call fcn.005089b9
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.005089b9
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x50b8f7
mov byte [eax], 1
mov esi, dword [0x5f1624]
cmp byte [esi], 0
jne 0x50b912
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x50b877
mov ebx, dword [ebp - 0x10]
inc esi
mov dword [0x5f1624], esi
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.0050d796
add esp, 0xc
mov ecx, dword [eax]
mov edx, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
mov dword [0x5f1624], esi
test ecx, ecx
je 0x50b96a
cmp byte [esi - 1], 0x31
jne 0x50b96a
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push eax
push 0x7e
lea ecx, [ebp - 0x28]
call fcn.005083e7
mov ecx, eax
call fcn.005088f0
mov ecx, dword [ebp - 0x20]
mov edx, dword [ebp - 0x1c]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], edx
test ebx, ebx
je 0x50b980
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.00508978
mov edx, dword [ebp - 4]
mov ecx, dword [ebp - 8]
mov eax, dword [ebp + 8]
mov dword [eax], ecx
mov dword [eax + 4], edx
jmp 0x50b87a
lea eax, [esi - 1]
mov dword [0x5f1624], eax
push 1
mov ecx, dword [ebp + 8]
call fcn.00508487
mov eax, dword [ebp + 8]
jmp 0x50b87a
cmp cl, 0x42
je 0x50bdc8
jle case.default.0x50bcd3
cmp cl, 0x5a
jle 0x50bdcb
cmp cl, 0x5f
jne case.default.0x50bcd3
movsx eax, byte [esi]
lea ecx, [esi + 1]
mov dword [0x5f1624], ecx
cmp eax, 0x4f
jg 0x50bab4
cmp eax, 0x44
jge 0x50bda8
cmp eax, 0x39
jg 0x50ba59
je 0x50ba35
test eax, eax
je 0x50ba2d
cmp eax, 0x2f
jle case.default.0x50bcd3
cmp eax, 0x36
jle 0x50ba1d
cmp eax, 0x38
jg case.default.0x50bcd3
movsx eax, byte [ecx - 1]
push dword [eax*4 + 0x544098]
mov ecx, dword [ebp + 8]
call fcn.00508454
jmp 0x50b99f
movsx eax, byte [ecx - 1]
push dword [eax*4 + 0x544098]
jmp 0x50b836
lea eax, [ecx - 1]
jmp 0x50b990
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x20]
push dword [eax*4 + 0x544098]
call fcn.00508454
mov edx, dword [ebp - 0x1c]
or edx, 0x8000
mov ecx, dword [ebp - 0x20]
jmp 0x50b980
cmp eax, 0x3f
je 0x50ba97
cmp eax, 0x40
jle case.default.0x50bcd3
cmp eax, 0x42
jle 0x50bda8
cmp eax, 0x43
jne case.default.0x50bcd3
push 1
push str._string
lea eax, [ebp - 0x20]
push eax
call fcn.0050c999
mov edx, dword [ebp - 0x1c]
add esp, 0xc
or edx, 0x1000
jmp 0x50ba51
mov al, byte [ecx]
inc ecx
mov dword [0x5f1624], ecx
test al, al
je 0x50ba2d
cmp al, 0x30
jne case.default.0x50bcd3
push edi
push str._anonymous_namespace
jmp 0x50ba80
cmp eax, 0x54
jg 0x50bc9e
cmp eax, 0x53
jge 0x50bda8
sub eax, 0x50
je 0x50bc4c
sub eax, 1
je 0x50b83e
sub eax, 1
jne case.default.0x50bcd3
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
push dword [eax*4 + 0x54407c]
call fcn.0050868a
mov eax, dword [0x5f1624]
mov al, byte [eax]
test al, al
jne 0x50bb11
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.00508956
jmp 0x50b99f
movsx eax, al
sub eax, 0x30
js case.default.0x50bcd3
cmp eax, 5
jae case.default.0x50bcd3
push dword [eax*4 + 0x544218]
lea ecx, [ebp - 0x10]
call fcn.0050868a
mov eax, dword [0x5f1624]
mov cl, byte [eax]
inc eax
mov dword [0x5f1624], eax
cmp cl, 0x30
je 0x50bc0d
cmp cl, 0x31
je 0x50bb61
jle 0x50bb5b
cmp cl, 0x34
jle 0x50bc8a
dec eax
jmp 0x50b990
mov eax, dword [ebp - 8]
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x18], eax
mov eax, dword [ebp - 4]
mov dword [ebp - 0x14], eax
lea eax, [ebp - 0x10]
push eax
call fcn.00508978
push 0x2c
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x20]
push eax
call fcn.0050c806
pop ecx
mov ecx, eax
call fcn.00508912
push eax
lea ecx, [ebp - 0x18]
call fcn.00508978
push 0x2c
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x20]
push eax
call fcn.0050c806
pop ecx
mov ecx, eax
call fcn.00508912
push eax
lea ecx, [ebp - 0x18]
call fcn.00508978
push 0x2c
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x20]
push eax
call fcn.0050c806
pop ecx
mov ecx, eax
call fcn.00508912
push eax
lea ecx, [ebp - 0x18]
call fcn.00508978
push 0x29
lea eax, [ebp - 0x28]
push eax
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.0050ac27
pop ecx
pop ecx
mov ecx, eax
call fcn.00508912
push eax
lea ecx, [ebp - 0x18]
call fcn.00508978
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x18]
call fcn.00508912
jmp 0x50b99f
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.0050a911
mov eax, dword [ebp - 0x28]
pop ecx
pop ecx
mov dword [ebp - 0x18], eax
lea ecx, [ebp - 0x18]
mov eax, dword [ebp - 0x24]
push 0x20
mov dword [ebp - 0x14], eax
call fcn.005089b9
mov eax, dword [ebp - 0x18]
lea ecx, [ebp - 0x20]
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 0x14]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 8]
push eax
call fcn.00508978
lea ecx, [ebp - 0x20]
jmp 0x50bc8d
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
push dword [eax*4 + 0x54407c]
call fcn.0050868a
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.0050b7d6
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 0x10], ecx
mov dword [ebp - 0xc], eax
test ecx, ecx
je 0x50bc8a
test eax, 0x400
je 0x50bc8a
push 2
jmp 0x50b997
lea ecx, [ebp - 8]
lea eax, [ebp - 0x10]
push eax
push dword [ebp + 8]
call fcn.005088f0
jmp 0x50b99f
cmp eax, 0x56
jle 0x50bdb8
cmp eax, 0x57
jle case.default.0x50bcd3
cmp eax, 0x59
jle 0x50bda8
cmp eax, 0x5f
jne case.default.0x50bcd3
movsx eax, byte [ecx]
inc ecx
sub eax, 0x41
mov dword [0x5f1624], ecx
cmp eax, 0xb
ja case.default.0x50bcd3
movzx eax, byte [eax + 0x50be0a]
jmp dword [eax*4 + 0x50bdfe]
movsx eax, byte [ecx - 1]
push dword [eax*4 + 0x5440e0]
jmp 0x50ba13
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
push dword [eax*4 + 0x5440e0]
call fcn.00508454
mov eax, dword [0x5f1624]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x50bd2c
call fcn.0050a9df
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00508978
mov eax, dword [0x5f1624]
cmp byte [eax], 0x40
jne 0x50bd3b
inc eax
mov dword [0x5f1624], eax
jmp 0x50bd3b
call fcn.0050ca76
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00508978
push 0x544844
lea ecx, [ebp - 0x18]
call fcn.00508a09
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x50b877
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x20]
push dword [eax*4 + 0x5440e0]
call fcn.00508454
jmp 0x50bd81
cmp al, 0x40
je 0x50bd91
inc ecx
mov dword [0x5f1624], ecx
lea ecx, [ebp - 0x20]
push eax
call fcn.005089b9
mov ecx, dword [0x5f1624]
mov al, byte [ecx]
test al, al
jne 0x50bd6d
cmp al, 0x40
jne 0x50bd98
inc ecx
mov dword [0x5f1624], ecx
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x20]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x1c]
jmp 0x50b877
movsx eax, byte [ecx - 1]
push dword [eax*4 + 0x54407c]
jmp 0x50ba13
movsx eax, byte [ecx - 1]
push dword [eax*4 + 0x54407c]
jmp 0x50b836
xor edi, edi
inc edi
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
push dword [eax*4 + 0x543fec]
call fcn.0050868a
test edi, edi
je 0x50b83e
cmp dword [ebp - 8], 0
je 0x50b86c
or dword [ebp - 4], 0x200
jmp 0x50b86c