Function at 0x47b420
Capabilities:
Parse credit card information

Disassembly:
sub esp, 0x10
mov eax, dword [esp + 0x14]
push ebx
mov ebx, dword [esp + 0x20]
push ebp
mov ebp, dword [esp + 0x34]
push esi
push edi
mov edi, dword [eax]
mov eax, dword [ebp]
mov ecx, eax
mov dword [esp + 0x10], edi
cmp word [edi], 0x28
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x14], ecx
mov dword [esp + 0x18], 0
jne 0x47b484
movzx ecx, word [edi + 2]
cmp ecx, 0x2a
jne 0x47b462
add edi, 4
jmp 0x47b480
cmp ecx, 0x3f
je 0x47b4f5
inc eax
mov dword [ebp], eax
test ebx, ebx
jne 0x47b47d
cmp eax, dword [esp + 0x30]
je 0x47b8a9
add edi, 2
mov dword [esp + 0x10], edi
mov ebx, dword [esp + 0x28]
cmp edi, dword [ebx + 0x1c]
jae 0x47b8a0
movzx eax, word [edi]
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x34]
cmp eax, 0x5c
jne 0x47b638
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47b8a0
cmp eax, 0x51
jne 0x47b878
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47b8a0
cmp eax, 0x5c
jne 0x47b4c1
cmp word [edi], 0
je 0x47b8a0
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x47b4c1
jmp 0x47b878
movzx ecx, word [edi + 4]
cmp ecx, 0x7c
jne 0x47b50e
add edi, 6
mov dword [esp + 0x18], 1
jmp 0x47b480
cmp ecx, 0x23
jne 0x47b550
add edi, 6
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47b8a0
cmp ax, 0x29
je 0x47b8a0
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x47b526
mov ecx, dword [esp + 0x24]
mov dword [ecx], edi
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x10
ret
add edi, 4
mov dword [esp + 0x10], edi
cmp ecx, 0x28
jne 0x47b59c
cmp word [edi + 2], 0x3f
je 0x47b484
movzx eax, word [edi]
test ax, ax
je 0x47b484
cmp ax, 0x29
je 0x47b58d
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x47b573
jmp 0x47b484
cmp word [edi], 0
je 0x47b484
jmp 0x47b47d
cmp word [edi], 0x50
jne 0x47b5a9
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
cmp ecx, 0x3c
jne 0x47b5bf
movzx edx, word [edi + 2]
cmp edx, 0x21
je 0x47b5bf
cmp edx, 0x3d
jne 0x47b5c8
cmp ecx, 0x27
jne 0x47b484
lea esi, [eax + 1]
mov dword [ebp], esi
test ebx, ebx
jne 0x47b5d8
cmp esi, dword [esp + 0x30]
je 0x47b62e
movzx ecx, word [edi]
add edi, 2
mov dword [esp + 0x10], edi
cmp ecx, 0x3c
jne 0x47b5ec
mov ecx, 0x3e
movzx edx, word [edi]
mov eax, edi
cmp edx, ecx
je 0x47b603
add edi, 2
mov dword [esp + 0x10], edi
movzx edx, word [edi]
cmp edx, ecx
jne 0x47b5f5
test ebx, ebx
je 0x47b484
mov ecx, edi
sub ecx, eax
sar ecx, 1
cmp dword [esp + 0x30], ecx
jne 0x47b484
mov ecx, dword [esp + 0x30]
mov edx, ebx
call fcn.0048d2b0
test eax, eax
jne 0x47b484
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
cmp eax, 0x5b
jne 0x47b753
xor ebp, ebp
movzx eax, word [edi + 2]
cmp eax, 0x5c
jne 0x47b69a
cmp word [edi + 4], 0x45
lea ecx, [edi + 4]
jne 0x47b65e
mov edi, ecx
mov dword [esp + 0x10], edi
jmp 0x47b643
mov ebx, 3
mov esi, 0x4be718
movzx eax, word [ecx]
movzx edx, byte [esi]
dec ebx
add ecx, 2
inc esi
cmp dx, ax
jne 0x47b685
test ebx, ebx
jne 0x47b668
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x47b643
sbb eax, eax
neg eax
lea eax, [eax + eax - 1]
test eax, eax
jne 0x47b6af
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x47b643
test ebp, ebp
jne 0x47b6af
cmp eax, 0x5e
jne 0x47b6af
add edi, 2
lea ebp, [eax - 0x5d]
mov dword [esp + 0x10], edi
jmp 0x47b643
cmp word [edi + 2], 0x5d
jne 0x47b6c6
mov eax, dword [esp + 0x28]
test dword [eax + 0x4c], 0x2000000
jne 0x47b6c6
add edi, 2
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
je 0x47b878
lea esp, [esp]
test ax, ax
je 0x47b8a6
cmp ax, 0x5c
jne 0x47b73f
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47b8a0
cmp eax, 0x51
jne 0x47b73f
jmp 0x47b710
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47b8a0
cmp eax, 0x5c
jne 0x47b710
cmp word [edi], 0
je 0x47b8a0
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x47b710
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
jne 0x47b6e0
jmp 0x47b878
test ecx, ecx
je 0x47b821
cmp eax, 0x23
jne 0x47b821
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
je 0x47b8a0
mov eax, dword [ebx + 0x60]
test eax, eax
je 0x47b7b6
mov edx, dword [ebx + 0x1c]
cmp edi, edx
jae 0x47b7da
mov ecx, dword [esp + 0x38]
push ecx
lea esi, [ebx + 0x64]
push eax
mov ecx, edi
call fcn.0048d330
add esp, 8
test eax, eax
je 0x47b7da
mov ecx, dword [ebx + 0x64]
lea edi, [edi + ecx*2 - 2]
mov dword [esp + 0x10], edi
cmp word [edi], 0
je 0x47b8a0
jmp 0x47b878
mov eax, dword [ebx + 0x64]
mov esi, dword [ebx + 0x1c]
lea edx, [eax + eax]
sub esi, edx
cmp edi, esi
ja 0x47b7da
cmp cx, word [ebx + 0x68]
jne 0x47b7da
cmp eax, 1
je 0x47b79c
mov ax, word [edi + 2]
cmp ax, word [ebx + 0x6a]
je 0x47b79c
add edi, 2
cmp dword [esp + 0x38], 0
mov dword [esp + 0x10], edi
je 0x47b804
mov cx, word [edi]
mov edx, 0xfc00
and cx, dx
mov eax, 0xdc00
cmp cx, ax
jne 0x47b804
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
jne 0x47b777
mov ecx, dword [esp + 0x24]
mov dword [ecx], edi
pop edi
pop esi
pop ebp
or eax, 0xffffffff
pop ebx
add esp, 0x10
ret
cmp eax, 0x28
jne 0x47b855
mov edx, dword [esp + 0x38]
mov eax, dword [esp + 0x30]
push ebp
push edx
push ecx
mov ecx, dword [esp + 0x38]
push eax
push ecx
lea edx, [esp + 0x24]
push ebx
push edx
call fcn.0047b420
add esp, 0x1c
test eax, eax
jg 0x47b8a9
mov edi, dword [esp + 0x10]
cmp word [edi], 0
je 0x47b8a0
jmp 0x47b878
cmp eax, 0x29
je 0x47b891
cmp eax, 0x7c
jne 0x47b878
cmp dword [esp + 0x18], 0
je 0x47b878
mov eax, dword [ebp]
cmp eax, edx
jle 0x47b871
mov dword [esp + 0x14], eax
mov eax, dword [esp + 0x1c]
mov dword [ebp], eax
mov ebx, dword [esp + 0x28]
add edi, 2
mov dword [esp + 0x10], edi
cmp edi, dword [ebx + 0x1c]
jae 0x47b8a0
mov ebp, dword [esp + 0x3c]
jmp 0x47b491
cmp dword [esp + 0x18], 0
je 0x47b8a0
cmp dword [ebp], edx
jge 0x47b8a0
mov dword [ebp], edx
mov ecx, dword [esp + 0x24]
mov dword [ecx], edi
or eax, 0xffffffff
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret