Function at 0x424b89
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x1c
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
mov edi, dword [ebp + 8]
xor eax, eax
cmp edi, eax
jne 0x424ba8
push 0x80004005
call fcn.005053e0
cmp esi, eax
je 0x424b9e
cmp edi, esi
je 0x424b9e
mov ecx, dword [ebp + 0x14]
mov bl, byte [edi]
add ecx, esi
mov dword [ebp - 4], eax
mov dword [ebp - 8], 1
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x10], eax
mov dword [ebp - 0xc], eax
mov dword [ebp - 0x1c], esi
mov dword [ebp - 0x14], ecx
test bl, bl
je 0x424e03
mov ecx, dword [ebp - 4]
inc edi
mov dword [ebp + 8], edi
cmp ecx, dword [ebp + 0x14]
jne 0x424be7
mov dword [ebp - 8], eax
cmp bl, 0x3a
jne 0x424c58
test byte [ebp - 0xc], 0x80
je 0x424cb9
cmp dword [ebp - 0x10], eax
jne 0x424cb9
cmp dword [ebp - 8], eax
je 0x424c4f
mov eax, esi
sub eax, ecx
mov byte [esi], 0
cmp eax, dword [ebp - 0x1c]
jb 0x424b9e
cmp eax, dword [ebp - 0x14]
ja 0x424b9e
mov ecx, dword [ebp - 0x14]
sub ecx, eax
inc ecx
push ecx
push eax
call fcn.00407920
push eax
call fcn.00506dde
add esp, 0xc
cmp dword [ebp - 4], 4
jne 0x424c4f
push 4
lea eax, [esi - 4]
push eax
push 0x524320
call fcn.00407937
add esp, 0xc
test eax, eax
jne 0x424c4f
mov dword [ebp - 0x18], 1
mov eax, dword [ebp - 4]
inc eax
mov dword [ebp - 0x10], eax
jmp 0x424cb9
cmp bl, 0x25
jne 0x424ca5
test byte [ebp - 0xc], 4
je 0x424cb9
mov al, byte [edi]
test al, al
je 0x424dfd
inc edi
call fcn.00424a8d
movzx ebx, ax
test bx, bx
jl 0x424df3
mov al, byte [edi]
test al, al
je 0x424dfd
inc edi
mov dword [ebp + 8], edi
call fcn.00424a8d
movzx eax, ax
test ax, ax
jl 0x424df9
shl bl, 4
add bl, al
jmp 0x424cb9
cmp bl, 0x3f
je 0x424caf
cmp bl, 0x23
jne 0x424cb9
test byte [ebp - 0xc], 0x20
je 0x424cb9
or dword [ebp - 0xc], 2
mov eax, dword [ebp - 0xc]
test al, al
jns 0x424d24
test al, 2
jne 0x424d24
cmp bl, 0x5c
jne 0x424ceb
xor ecx, ecx
cmp dword [ebp - 0x10], ecx
jne 0x424cd7
test eax, 0x100
je 0x424d24
cmp dword [ebp - 8], ecx
je 0x424d24
cmp dword [ebp - 0x18], ecx
je 0x424ce7
cmp dword [ebp - 4], 7
jae 0x424d24
mov bl, 0x2f
jmp 0x424d24
cmp bl, 0x2e
jne 0x424d24
mov ecx, dword [ebp - 4]
test ecx, ecx
jbe 0x424d24
test al, 8
jne 0x424d24
push dword [ebp - 0x10]
lea edx, [ebp + 0xc]
push eax
lea eax, [ebp - 4]
push eax
lea eax, [ebp + 8]
push eax
lea eax, [esi - 1]
push edx
call fcn.00424abe
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 8]
add esp, 0x14
test eax, eax
jne 0x424de6
movzx ecx, bl
cmp ecx, 0x40
jg 0x424d4c
cmp ecx, 0x3b
jge 0x424d6d
cmp ecx, 0x20
je 0x424d6d
cmp ecx, 0x21
jle 0x424d63
cmp ecx, 0x26
jle 0x424d6d
cmp ecx, 0x2a
jle 0x424d63
cmp ecx, 0x2c
jle 0x424d6d
jmp 0x424d63
cmp ecx, 0x5b
jl 0x424d63
cmp ecx, 0x5e
jle 0x424d6d
cmp ecx, 0x60
je 0x424d6d
lea eax, [ecx - 0x7b]
cmp eax, 2
jbe 0x424d6d
cmp bl, 0x20
jb 0x424d6d
cmp bl, 0x7e
jbe 0x424dd7
mov al, byte [ebp - 0xc]
test al, 2
jne 0x424dd7
test al, 0x10
je 0x424d7d
cmp bl, 0x20
jne 0x424dd7
test al, 8
je 0x424d86
cmp bl, 0x2e
je 0x424dd7
test al, 0x40
jne 0x424d8f
cmp bl, 0x25
je 0x424dd7
mov eax, dword [ebp + 0x14]
add eax, 0xfffffffd
cmp dword [ebp - 4], eax
jb 0x424d9e
and dword [ebp - 8], 0
cmp dword [ebp - 8], 0
je 0x424dd1
mov byte [esi], 0x25
lea eax, [esi + 1]
cmp bl, 0x10
jae 0x424db3
mov byte [eax], 0x30
inc eax
mov edx, dword [ebp - 0x14]
push 0x10
sub edx, eax
push edx
push eax
push ecx
call fcn.00407ad4
push eax
call fcn.00506dde
add esp, 0x14
add esi, 3
mov dword [ebp + 0xc], esi
add dword [ebp - 4], 2
jmp 0x424de3
cmp dword [ebp - 8], 0
je 0x424de3
mov byte [esi], bl
inc esi
mov dword [ebp + 0xc], esi
inc dword [ebp - 4]
mov bl, byte [edi]
test bl, bl
je 0x424dfd
xor eax, eax
jmp 0x424bd8
and dword [ebp - 8], 0
jmp 0x424e0e
and dword [ebp - 8], 0
cmp dword [ebp - 8], 0
je 0x424e0e
mov eax, dword [ebp + 0x14]
cmp dword [ebp - 4], eax
jae 0x424e0e
mov byte [esi], 0
mov eax, dword [ebp + 0x10]
pop edi
pop esi
pop ebx
test eax, eax
je 0x424e1e
mov ecx, dword [ebp - 4]
inc ecx
mov dword [eax], ecx
mov eax, dword [ebp - 4]
inc eax
cmp eax, dword [ebp + 0x14]
jbe 0x424e2b
and dword [ebp - 8], 0
mov eax, dword [ebp - 8]
leave
ret