Function at 0x4c1d2c
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
push ebx
push esi
push edi
mov edi, dword [ebp + 0x1c]
lea ebx, [ebp - 4]
mov eax, dword [ebp + 8]
mov edx, dword [eax]
mov dword [ebx], edx
mov ecx, dword [edi]
mov dword [ebp - 8], ecx
mov eax, dword [ebp - 8]
mov dword [ebp - 0xc], eax
xor edx, edx
mov dword [ebp - 0x10], edx
mov ecx, dword [ebx]
cmp byte [ecx], 0x28
jne 0x4c2029
mov eax, dword [ebx]
cmp byte [eax + 1], 0x3f
jne 0x4c1d7c
mov edx, dword [ebx]
cmp byte [edx + 2], 0x7c
jne 0x4c1d7c
add dword [ebx], 3
mov dword [ebp - 0x10], 1
jmp 0x4c2029
mov ecx, dword [ebx]
cmp byte [ecx + 1], 0x3f
je 0x4c1da9
mov eax, dword [ebx]
cmp byte [eax + 1], 0x2a
je 0x4c1da9
inc dword [edi]
cmp dword [ebp + 0x10], 0
jne 0x4c1da2
mov edx, dword [edi]
cmp edx, dword [ebp + 0x14]
jne 0x4c1da2
mov eax, dword [edi]
jmp 0x4c203e
inc dword [ebx]
jmp 0x4c2029
mov edx, dword [ebx]
cmp byte [edx + 2], 0x28
jne 0x4c1de4
add dword [ebx], 2
mov ecx, dword [ebx]
cmp byte [ecx + 1], 0x3f
je 0x4c2029
jmp 0x4c1dc4
inc dword [ebx]
mov eax, dword [ebx]
cmp byte [eax], 0
je 0x4c1dd2
mov edx, dword [ebx]
cmp byte [edx], 0x29
jne 0x4c1dc2
mov ecx, dword [ebx]
cmp byte [ecx], 0
je 0x4c2029
inc dword [ebx]
jmp 0x4c2029
add dword [ebx], 2
mov eax, dword [ebx]
cmp byte [eax], 0x50
jne 0x4c1df0
inc dword [ebx]
mov edx, dword [ebx]
cmp byte [edx], 0x3c
jne 0x4c1e07
mov ecx, dword [ebx]
cmp byte [ecx + 1], 0x21
je 0x4c1e07
mov eax, dword [ebx]
cmp byte [eax + 1], 0x3d
jne 0x4c1e12
mov edx, dword [ebx]
cmp byte [edx], 0x27
jne 0x4c2029
inc dword [edi]
cmp dword [ebp + 0x10], 0
jne 0x4c1e28
mov ecx, dword [edi]
cmp ecx, dword [ebp + 0x14]
jne 0x4c1e28
mov eax, dword [edi]
jmp 0x4c203e
mov edx, dword [ebx]
xor eax, eax
mov al, byte [edx]
inc dword [ebx]
cmp eax, 0x3c
jne 0x4c1e3a
mov eax, 0x3e
mov edx, dword [ebx]
jmp 0x4c1e40
inc dword [ebx]
mov ecx, dword [ebx]
movzx ecx, byte [ecx]
cmp eax, ecx
jne 0x4c1e3e
cmp dword [ebp + 0x10], 0
je 0x4c2029
mov eax, dword [ebx]
sub eax, edx
cmp eax, dword [ebp + 0x14]
jne 0x4c2029
push dword [ebp + 0x14]
push edx
push dword [ebp + 0x10]
call fcn.004cfcd8
add esp, 0xc
test eax, eax
jne 0x4c2029
mov eax, dword [edi]
jmp 0x4c203e
mov edx, dword [ebx]
cmp byte [edx], 0x5c
jne 0x4c1ecc
inc dword [ebx]
mov ecx, dword [ebx]
cmp byte [ecx], 0
je 0x4c2034
mov eax, dword [ebx]
cmp byte [eax], 0x51
jne 0x4c2027
inc dword [ebx]
mov edx, dword [ebx]
cmp byte [edx], 0
je 0x4c1eb2
mov ecx, dword [ebx]
cmp byte [ecx], 0x5c
jne 0x4c1ea2
mov eax, dword [ebx]
cmp byte [eax], 0
je 0x4c2034
inc dword [ebx]
mov edx, dword [ebx]
cmp byte [edx], 0x45
je 0x4c2027
jmp 0x4c1ea2
mov ecx, dword [ebx]
cmp byte [ecx], 0x5b
jne 0x4c1f94
xor esi, esi
mov eax, dword [ebx]
cmp byte [eax + 1], 0x5c
jne 0x4c1f0c
mov edx, dword [ebx]
cmp byte [edx + 2], 0x45
jne 0x4c1eee
add dword [ebx], 2
jmp 0x4c1ed9
push 3
push 0x747750
mov ecx, dword [ebx]
add ecx, 2
push ecx
call fcn.004cfcd8
add esp, 0xc
test eax, eax
jne 0x4c1f21
add dword [ebx], 4
jmp 0x4c1ed9
test esi, esi
jne 0x4c1f21
mov eax, dword [ebx]
cmp byte [eax + 1], 0x5e
jne 0x4c1f21
mov esi, 1
inc dword [ebx]
jmp 0x4c1ed9
mov eax, dword [ebx]
cmp byte [eax + 1], 0x5d
jne 0x4c1f86
mov edx, dword [ebp + 0xc]
test byte [edx + 0x47], 2
jne 0x4c1f86
inc dword [ebx]
jmp 0x4c1f86
mov ecx, dword [ebx]
cmp byte [ecx], 0
jne 0x4c1f45
or eax, 0xffffffff
jmp 0x4c203e
mov edx, dword [ebx]
cmp byte [edx], 0x5c
jne 0x4c1f86
inc dword [ebx]
mov ecx, dword [ebx]
cmp byte [ecx], 0
je 0x4c2034
mov eax, dword [ebx]
cmp byte [eax], 0x51
jne 0x4c1f86
inc dword [ebx]
mov edx, dword [ebx]
cmp byte [edx], 0
je 0x4c1f70
mov ecx, dword [ebx]
cmp byte [ecx], 0x5c
jne 0x4c1f60
mov eax, dword [ebx]
cmp byte [eax], 0
je 0x4c2034
inc dword [ebx]
mov edx, dword [ebx]
cmp byte [edx], 0x45
je 0x4c1f86
jmp 0x4c1f60
inc dword [ebx]
mov ecx, dword [ebx]
cmp byte [ecx], 0x5d
jne 0x4c1f36
jmp 0x4c2027
cmp dword [ebp + 0x18], 0
je 0x4c1fba
mov eax, dword [ebx]
cmp byte [eax], 0x23
jne 0x4c1fba
inc dword [ebx]
mov edx, dword [ebx]
cmp byte [edx], 0
je 0x4c1fb1
mov ecx, dword [ebx]
cmp byte [ecx], 0xa
jne 0x4c1fa1
mov eax, dword [ebx]
cmp byte [eax], 0
je 0x4c2034
jmp 0x4c2027
mov edx, dword [ebx]
cmp byte [edx], 0x28
jne 0x4c1fe4
push edi
push dword [ebp + 0x18]
push dword [ebp + 0x14]
push dword [ebp + 0x10]
push dword [ebp + 0xc]
push ebx
call fcn.004c1d2c
add esp, 0x18
test eax, eax
jg 0x4c203e
mov ecx, dword [ebx]
cmp byte [ecx], 0
je 0x4c2034
jmp 0x4c2027
mov eax, dword [ebx]
cmp byte [eax], 0x29
jne 0x4c2009
cmp dword [ebp - 0x10], 0
je 0x4c1ffd
mov edx, dword [edi]
cmp edx, dword [ebp - 0xc]
jge 0x4c1ffd
mov ecx, dword [ebp - 0xc]
mov dword [edi], ecx
mov eax, dword [ebp + 8]
mov edx, dword [ebx]
mov dword [eax], edx
or eax, 0xffffffff
jmp 0x4c203e
mov edx, dword [ebx]
cmp byte [edx], 0x7c
jne 0x4c2027
cmp dword [ebp - 0x10], 0
je 0x4c2027
mov ecx, dword [edi]
cmp ecx, dword [ebp - 0xc]
jle 0x4c2022
mov eax, dword [edi]
mov dword [ebp - 0xc], eax
mov edx, dword [ebp - 8]
mov dword [edi], edx
inc dword [ebx]
mov ecx, dword [ebx]
cmp byte [ecx], 0
jne 0x4c1e83
mov eax, dword [ebp + 8]
mov edx, dword [ebx]
mov dword [eax], edx
or eax, 0xffffffff
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret