Function at 0x4f2637
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28
mov eax, dword [0x587ba8]
push ebx
push esi
push edi
mov cl, byte [eax]
lea esi, [eax + 1]
xor edi, edi
mov dword [0x587ba8], 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 0x4f27f8
je 0x4f2c8a
test cl, cl
je 0x4f27de
cmp cl, 0x2f
jle case.default.0x4f2b63
cmp cl, 0x31
jle 0x4f26ee
cmp cl, 0x39
jg case.default.0x4f2b63
movsx eax, byte [esi - 1]
lea eax, [eax*8 + 0x552ac0]
push eax
lea ecx, [ebp - 8]
call fcn.004ef381
cmp dword [ebp - 8], 0
je 0x4f26db
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], str.operator
push eax
lea ecx, [ebp - 0x28]
mov dword [ebp - 0x1c], 8
call fcn.004ef147
lea ecx, [ebp - 8]
push ecx
lea ecx, [ebp - 0x20]
push ecx
mov ecx, eax
call fcn.004ef4ab
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 0x4f277f
lea eax, [ebp - 0x20]
push eax
call fcn.004f3a96
push eax
lea eax, [ebp - 0x18]
push 0x3c
push eax
call fcn.004ef43c
add esp, 0x10
lea ecx, [ebp - 0x10]
push eax
call fcn.004ef569
mov ebx, dword [ebp - 0x10]
test ebx, ebx
je 0x4f2746
mov eax, dword [ebx]
mov esi, dword [eax + 8]
mov ecx, esi
call dword [0x53e734]
mov ecx, ebx
call esi
cmp al, 0x3e
jne 0x4f2746
push 0x20
lea ecx, [ebp - 0x10]
call fcn.004ef5c0
push 0x3e
lea ecx, [ebp - 0x10]
call fcn.004ef5c0
mov eax, dword [ebp + 0x10]
test eax, eax
je 0x4f275a
mov byte [eax], 1
mov esi, dword [0x587ba8]
cmp byte [esi], 0
jne 0x4f2775
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x10]
mov dword [eax], ecx
mov ecx, dword [ebp - 0xc]
jmp 0x4f26e6
mov ebx, dword [ebp - 0x10]
inc esi
mov dword [0x587ba8], esi
push edi
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004f49d5
add esp, 0xc
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [ebp - 8], ecx
mov dword [ebp - 4], eax
mov dword [0x587ba8], esi
test ecx, ecx
je 0x4f27c5
cmp byte [esi - 1], 0x31
jne 0x4f27c5
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x20]
push 0x7e
push eax
call fcn.004ef43c
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 0x4f26db
lea eax, [ebp - 0x10]
push eax
lea ecx, [ebp - 8]
call fcn.004ef569
jmp 0x4f26db
lea eax, [esi - 1]
mov dword [0x587ba8], eax
mov ecx, dword [ebp + 8]
push 1
call fcn.004ef1b5
mov eax, dword [ebp + 8]
jmp 0x4f26e9
cmp cl, 0x42
je 0x4f2c87
jle case.default.0x4f2b63
cmp cl, 0x5a
jle 0x4f2c8a
cmp cl, 0x5f
jne case.default.0x4f2b63
movsx eax, byte [esi]
lea ecx, [esi + 1]
mov dword [0x587ba8], ecx
cmp eax, 0x4f
jg 0x4f293b
cmp eax, 0x44
jge 0x4f2c56
cmp eax, 0x39
jg 0x4f28b7
je 0x4f288a
test eax, eax
je 0x4f287f
cmp eax, 0x2f
jle case.default.0x4f2b63
cmp eax, 0x36
jle 0x4f286f
cmp eax, 0x38
jg case.default.0x4f2b63
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x552be0]
mov ecx, dword [ebp + 8]
push eax
call fcn.004ef147
jmp 0x4f27f0
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x552be0]
jmp 0x4f2697
mov dword [0x587ba8], esi
jmp 0x4f27e6
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x552be0]
push eax
call fcn.004ef147
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 0x4f26e9
cmp eax, 0x3f
je 0x4f28e8
cmp eax, 0x40
jle case.default.0x4f2b63
cmp eax, 0x42
jle 0x4f2c56
push 1
lea eax, [ebp - 0x18]
push edi
push eax
call fcn.004f3915
mov edx, dword [ebp - 0x14]
add esp, 0xc
or edx, 0x1000
jmp 0x4f28a7
mov dl, byte [ecx]
lea eax, [ecx + 1]
mov dword [0x587ba8], eax
test dl, dl
je 0x4f2930
mov esi, dword [ebp + 8]
cmp dl, 0x30
je 0x4f2909
mov dword [esi + 4], edi
mov byte [esi + 4], 2
mov dword [esi], edi
jmp 0x4f2929
push edi
lea eax, [ebp - 0x18]
push 1
push eax
call fcn.004f3915
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 0x4f26e9
mov dword [0x587ba8], ecx
jmp 0x4f27e6
cmp eax, 0x54
jg 0x4f2b20
cmp eax, 0x53
jge 0x4f2c56
sub eax, 0x50
je 0x4f2ad0
sub eax, 1
je 0x4f26a0
sub eax, 1
jne case.default.0x4f2b63
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x552ba8]
push eax
call fcn.004ef381
mov eax, dword [0x587ba8]
mov al, byte [eax]
test al, al
jne 0x4f2999
push 1
push dword [ebp + 8]
lea ecx, [ebp - 8]
call fcn.004ef4ef
jmp 0x4f27f0
movsx eax, al
sub eax, 0x30
js case.default.0x4f2b63
cmp eax, 5
jae case.default.0x4f2b63
lea eax, [eax*8 + 0x552ee8]
push eax
lea ecx, [ebp - 0x18]
call fcn.004ef381
mov eax, dword [0x587ba8]
mov cl, byte [eax]
inc eax
mov dword [0x587ba8], eax
cmp cl, 0x30
je 0x4f2a96
cmp cl, 0x31
je 0x4f29ea
jle 0x4f29e4
cmp cl, 0x34
jle 0x4f2b0c
dec eax
jmp 0x4f27e1
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.004ef569
lea eax, [ebp - 0x20]
push eax
call fcn.004f376f
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004ef4cd
push eax
lea ecx, [ebp - 0x10]
call fcn.004ef569
lea eax, [ebp - 0x20]
push eax
call fcn.004f376f
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004ef4cd
push eax
lea ecx, [ebp - 0x10]
call fcn.004ef569
lea eax, [ebp - 0x20]
push eax
call fcn.004f376f
pop ecx
push 0x2c
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004ef4cd
push eax
lea ecx, [ebp - 0x10]
call fcn.004ef569
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004f196e
pop ecx
pop ecx
push 0x29
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
call fcn.004ef4cd
push eax
lea ecx, [ebp - 0x10]
call fcn.004ef569
push 0x27
push dword [ebp + 8]
lea ecx, [ebp - 0x10]
call fcn.004ef4cd
jmp 0x4f27f0
lea eax, [ebp - 0x20]
push edi
push eax
call fcn.004f162d
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.004ef5c0
lea eax, [ebp - 8]
push eax
lea eax, [ebp - 0x28]
push eax
lea ecx, [ebp - 0x10]
call fcn.004ef4ab
lea ecx, [ebp - 0x18]
push ecx
mov ecx, eax
jmp 0x4f2b13
movsx eax, byte [ecx - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x552ba8]
push eax
call fcn.004ef381
push edi
lea eax, [ebp - 0x28]
push edi
push eax
call fcn.004f2637
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 0x4f2b0c
test eax, 0x400
jne case.default.0x4f2b63
lea eax, [ebp - 0x18]
push eax
lea ecx, [ebp - 8]
push dword [ebp + 8]
call fcn.004ef4ab
jmp 0x4f27f0
cmp eax, 0x56
jle 0x4f2c66
cmp eax, 0x57
jle case.default.0x4f2b63
cmp eax, 0x59
jle 0x4f2c56
cmp eax, 0x5f
jne case.default.0x4f2b63
movsx eax, byte [ecx]
lea edx, [ecx + 1]
sub eax, 0x41
mov dword [0x587ba8], edx
cmp eax, 0xd
ja case.default.0x4f2b63
movzx eax, byte [eax + 0x4f2ccf]
jmp dword [eax*4 + 0x4f2cbf]
movsx eax, byte [edx - 1]
lea eax, [eax*8 + 0x552c70]
jmp 0x4f2864
movsx eax, byte [edx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x552c70]
push eax
call fcn.004ef147
mov eax, dword [0x587ba8]
cmp byte [eax], 0x3f
lea eax, [ebp - 0x28]
push eax
jne 0x4f2bbd
call fcn.004f1704
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.004ef569
mov eax, dword [0x587ba8]
cmp byte [eax], 0x40
jne 0x4f2bcc
inc eax
mov dword [0x587ba8], eax
jmp 0x4f2bcc
call fcn.004f3a4e
pop ecx
push eax
lea ecx, [ebp - 0x18]
call fcn.004ef569
lea eax, [ebp - 0x20]
mov dword [ebp - 0x20], 0x5535b0
push eax
lea ecx, [ebp - 0x18]
mov dword [ebp - 0x1c], 2
call fcn.004ef511
mov eax, dword [ebp + 8]
mov ecx, dword [ebp - 0x18]
mov dword [eax], ecx
mov ecx, dword [ebp - 0x14]
jmp 0x4f26e6
movsx eax, byte [edx - 1]
lea ecx, [ebp - 0x18]
lea eax, [eax*8 + 0x552c70]
push eax
call fcn.004ef147
jmp 0x4f2c20
cmp al, 0x40
je 0x4f2c30
inc ecx
mov dword [0x587ba8], ecx
lea ecx, [ebp - 0x18]
push eax
call fcn.004ef5c0
mov ecx, dword [0x587ba8]
mov al, byte [ecx]
test al, al
jne 0x4f2c0c
cmp al, 0x40
jne 0x4f2be6
inc ecx
mov dword [0x587ba8], ecx
jmp 0x4f2be6
mov cl, byte [edx]
lea eax, [edx + 1]
mov dword [0x587ba8], eax
cmp cl, 0x32
jne case.default.0x4f2b63
push dword [ebp + 8]
call fcn.004f472b
pop ecx
jmp 0x4f27f0
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x552ba8]
jmp 0x4f2864
movsx eax, byte [ecx - 1]
lea eax, [eax*8 + 0x552ba8]
jmp 0x4f2697
mov eax, dword [ebp + 8]
mov dword [eax + 4], edi
mov byte [eax + 4], 2
mov dword [eax], edi
jmp 0x4f26e9
xor edi, edi
inc edi
movsx eax, byte [esi - 1]
lea ecx, [ebp - 8]
lea eax, [eax*8 + 0x552a88]
push eax
call fcn.004ef381
test edi, edi
je 0x4f26a0
cmp dword [ebp - 8], 0
je 0x4f26db
or dword [ebp - 4], 0x200
jmp 0x4f26db