Function at 0x456ce5
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x4d669c]
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 [0x4d669c], edi
cmp cl, 0x41
jg 0x456e8e
je 0x457301
test cl, cl
je 0x456e74
cmp cl, 0x2f
jle case.default.0x4571f7
cmp cl, 0x31
jle 0x456d9c
cmp cl, 0x39
jg case.default.0x4571f7
movsx eax, byte [edi - 1]
lea eax, [eax*8 + 0x49a760]
push eax
lea ecx, [ebp - 8]
call fcn.00453c0a
cmp dword [ebp - 8], 0
je 0x456d89
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.004539d0
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.00453d34
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 0x456e15
lea eax, [ebp - 0x20]
push eax
call fcn.004580a3
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.00453cc5
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.00453df2
lea ecx, [ebp - 0x10]
call fcn.00456ae8
cmp al, 0x3e
jne 0x456de0
push 0x20
lea ecx, [ebp - 0x10]
call fcn.00453e49
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.00453e49
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x456df4
mov byte [eax], 1
mov edi, dword [0x4d669c]
cmp byte [edi], bl
jne 0x456e0b
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x456d94
mov ebx, dword [ebp - 0x10]
inc edi
mov dword [0x4d669c], edi
push esi
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.00458ea7
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x4d669c], edi
test ecx, ecx
je 0x456e5b
cmp byte [edi - 1], 0x31
jne 0x456e5b
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.00453cc5
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 0x456d89
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.00453df2
jmp 0x456d89
lea eax, [edi - 1]
mov dword [0x4d669c], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.00453a3e
mov eax, dword [ebp + 8]
jmp 0x456d97
cmp cl, 0x42
je 0x4572fe
jle case.default.0x4571f7
cmp cl, 0x5a
jle 0x457301
cmp cl, 0x5f
jne case.default.0x4571f7
movsx eax, byte [edi]
lea ecx, [edi + 1]
mov dword [0x4d669c], ecx
cmp eax, 0x4f
jg 0x456fd1
cmp eax, 0x44
jge 0x4572cd
cmp eax, 0x39
jg 0x456f4d
je 0x456f20
test eax, eax
je 0x456f15
cmp eax, 0x2f
jle case.default.0x4571f7
cmp eax, 0x36
jle 0x456f05
cmp eax, 0x38
jg case.default.0x4571f7
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x49a880]
mov ecx, dword [ebp + 8]
push eax
call fcn.004539d0
jmp 0x456e86
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x49a880]
jmp 0x456d45
mov dword [0x4d669c], edi
jmp 0x456e7c
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x49a880]
push eax
call fcn.004539d0
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 0x456d97
cmp eax, 0x3f
je 0x456f7e
cmp eax, 0x40
jle case.default.0x4571f7
cmp eax, 0x42
jle 0x4572cd
push 1
lea eax, [ebp - 0x18]
push esi
push eax
call fcn.00457f79
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x456f3d
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x4d669c], eax
test dl, dl
je 0x456fc6
mov edi, dword [ebp + 8]
cmp dl, 0x30
je 0x456f9f
mov dword [edi + 4], esi
mov byte [edi + 4], 2
mov dword [edi], esi
jmp 0x456fbf
push esi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.00457f79
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 0x456d97
mov dword [0x4d669c], ecx
jmp 0x456e7c
cmp eax, 0x54
jg 0x4571b6
cmp eax, 0x53
jge 0x4572cd
sub eax, 0x50
je 0x457166
sub eax, 1
je 0x456d4e
sub eax, 1
jne case.default.0x4571f7
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x49a848]
push eax
call fcn.00453c0a
mov eax, dword [0x4d669c]
mov al, byte [eax]
test al, al
jne 0x45702f
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.00453d78
jmp 0x456e86
movsx eax, al
sub eax, 0x30
js case.default.0x4571f7
cmp eax, 5
jae case.default.0x4571f7
lea eax, [eax*8 + 0x49ab88]
push eax
lea ecx, [ebp - 0x18]
call fcn.00453c0a
mov eax, dword [0x4d669c]
mov cl, byte [eax]
inc eax
mov dword [0x4d669c], eax
cmp cl, 0x30
je 0x45712c
cmp cl, 0x31
je 0x457080
jle 0x45707a
cmp cl, 0x34
jle 0x4571a2
dec eax
jmp 0x456e77
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.00453df2
lea eax, [ebp - 0x20]
push eax
call fcn.00457de0
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00453d56
push eax
lea ecx, [ebp - 0x10]
call fcn.00453df2
lea eax, [ebp - 0x20]
push eax
call fcn.00457de0
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00453d56
push eax
lea ecx, [ebp - 0x10]
call fcn.00453df2
lea eax, [ebp - 0x20]
push eax
call fcn.00457de0
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00453d56
push eax
lea ecx, [ebp - 0x10]
call fcn.00453df2
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.004560f6
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.00453d56
push eax
lea ecx, [ebp - 0x10]
call fcn.00453df2
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.00453d56
jmp 0x456e86
lea eax, [ebp - 0x20]
push esi
push eax
call fcn.00455db5
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.00453e49
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.00453d34
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x4571a9
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x49a848]
push eax
call fcn.00453c0a
push esi
lea eax, [ebp - 0x28]
push esi
push eax
call fcn.00456ce5
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 0x4571a2
test eax, 0x400
jne case.default.0x4571f7
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.00453d34
jmp 0x456e86
cmp eax, 0x56
jle 0x4572dd
cmp eax, 0x57
jle case.default.0x4571f7
cmp eax, 0x59
jle 0x4572cd
cmp eax, 0x5f
jne case.default.0x4571f7
movsx eax, byte [ecx]
inc ecx
sub eax, 0x41
mov dword [0x4d669c], ecx
cmp eax, 0xc
ja case.default.0x4571f7
movzx eax, byte [eax + 0x457341]
jmp dword [eax*4 + 0x457335]
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x49a910]
jmp 0x456efa
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x49a910]
push eax
call fcn.004539d0
mov eax, dword [0x4d669c]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x457251
call fcn.00455e8c
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00453df2
mov eax, dword [0x4d669c]
cmp byte [eax], 0x40
jne 0x457260
inc eax
mov dword [0x4d669c], eax
jmp 0x457260
call fcn.0045805b
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.00453df2
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x49b24c
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.00453d9a
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x456d94
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x49a910]
push eax
call fcn.004539d0
jmp 0x4572b4
cmp al, 0x40
je 0x4572c4
inc ecx
mov dword [0x4d669c], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.00453e49
mov ecx, dword [0x4d669c]
mov al, byte [ecx]
test al, al
jne 0x4572a0
cmp al, 0x40
jne 0x45727a
inc ecx
mov dword [0x4d669c], ecx
jmp 0x45727a
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x49a848]
jmp 0x456efa
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x49a848]
jmp 0x456d45
mov eax, dword [ebp + 8]
mov dword [eax + 4], esi
mov byte [eax + 4], 2
mov dword [eax], esi
jmp 0x456d97
xor esi, esi
inc esi
movsx eax, byte [edi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x49a728]
push eax
call fcn.00453c0a
test esi, esi
je 0x456d4e
cmp dword [ebp - 8], 0
je 0x456d89
or dword [ebp - 4], 0x200
jmp 0x456d89