Function at 0x47b800
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 0x47b864
movzx ecx, word [edi + 2]
cmp ecx, 0x2a
jne 0x47b842
add edi, 4
jmp 0x47b860
cmp ecx, 0x3f
je 0x47b8d5
inc eax
mov dword [ebp], eax
test ebx, ebx
jne 0x47b85d
cmp eax, dword [esp + 0x30]
je 0x47bc89
add edi, 2
mov dword [esp + 0x10], edi
mov ebx, dword [esp + 0x28]
cmp edi, dword [ebx + 0x1c]
jae 0x47bc80
movzx eax, word [edi]
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x34]
cmp eax, 0x5c
jne 0x47ba18
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47bc80
cmp eax, 0x51
jne 0x47bc58
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47bc80
cmp eax, 0x5c
jne 0x47b8a1
cmp word [edi], 0
je 0x47bc80
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x47b8a1
jmp 0x47bc58
movzx ecx, word [edi + 4]
cmp ecx, 0x7c
jne 0x47b8ee
add edi, 6
mov dword [esp + 0x18], 1
jmp 0x47b860
cmp ecx, 0x23
jne 0x47b930
add edi, 6
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47bc80
cmp ax, 0x29
je 0x47bc80
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x47b906
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 0x47b97c
cmp word [edi + 2], 0x3f
je 0x47b864
movzx eax, word [edi]
test ax, ax
je 0x47b864
cmp ax, 0x29
je 0x47b96d
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x47b953
jmp 0x47b864
cmp word [edi], 0
je 0x47b864
jmp 0x47b85d
cmp word [edi], 0x50
jne 0x47b989
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
cmp ecx, 0x3c
jne 0x47b99f
movzx edx, word [edi + 2]
cmp edx, 0x21
je 0x47b99f
cmp edx, 0x3d
jne 0x47b9a8
cmp ecx, 0x27
jne 0x47b864
lea esi, [eax + 1]
mov dword [ebp], esi
test ebx, ebx
jne 0x47b9b8
cmp esi, dword [esp + 0x30]
je 0x47ba0e
movzx ecx, word [edi]
add edi, 2
mov dword [esp + 0x10], edi
cmp ecx, 0x3c
jne 0x47b9cc
mov ecx, 0x3e
movzx edx, word [edi]
mov eax, edi
cmp edx, ecx
je 0x47b9e3
add edi, 2
mov dword [esp + 0x10], edi
movzx edx, word [edi]
cmp edx, ecx
jne 0x47b9d5
test ebx, ebx
je 0x47b864
mov ecx, edi
sub ecx, eax
sar ecx, 1
cmp dword [esp + 0x30], ecx
jne 0x47b864
mov ecx, dword [esp + 0x30]
mov edx, ebx
call fcn.0048d690
test eax, eax
jne 0x47b864
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
cmp eax, 0x5b
jne 0x47bb33
xor ebp, ebp
movzx eax, word [edi + 2]
cmp eax, 0x5c
jne 0x47ba7a
cmp word [edi + 4], 0x45
lea ecx, [edi + 4]
jne 0x47ba3e
mov edi, ecx
mov dword [esp + 0x10], edi
jmp 0x47ba23
mov ebx, 3
mov esi, 0x4be8e8
movzx eax, word [ecx]
movzx edx, byte [esi]
dec ebx
add ecx, 2
inc esi
cmp dx, ax
jne 0x47ba65
test ebx, ebx
jne 0x47ba48
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x47ba23
sbb eax, eax
neg eax
lea eax, [eax + eax - 1]
test eax, eax
jne 0x47ba8f
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x47ba23
test ebp, ebp
jne 0x47ba8f
cmp eax, 0x5e
jne 0x47ba8f
add edi, 2
lea ebp, [eax - 0x5d]
mov dword [esp + 0x10], edi
jmp 0x47ba23
cmp word [edi + 2], 0x5d
jne 0x47baa6
mov eax, dword [esp + 0x28]
test dword [eax + 0x4c], 0x2000000
jne 0x47baa6
add edi, 2
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
je 0x47bc58
lea esp, [esp]
test ax, ax
je 0x47bc86
cmp ax, 0x5c
jne 0x47bb1f
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47bc80
cmp eax, 0x51
jne 0x47bb1f
jmp 0x47baf0
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x47bc80
cmp eax, 0x5c
jne 0x47baf0
cmp word [edi], 0
je 0x47bc80
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x47baf0
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
jne 0x47bac0
jmp 0x47bc58
test ecx, ecx
je 0x47bc01
cmp eax, 0x23
jne 0x47bc01
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
je 0x47bc80
mov eax, dword [ebx + 0x60]
test eax, eax
je 0x47bb96
mov edx, dword [ebx + 0x1c]
cmp edi, edx
jae 0x47bbba
mov ecx, dword [esp + 0x38]
push ecx
lea esi, [ebx + 0x64]
push eax
mov ecx, edi
call fcn.0048d710
add esp, 8
test eax, eax
je 0x47bbba
mov ecx, dword [ebx + 0x64]
lea edi, [edi + ecx*2 - 2]
mov dword [esp + 0x10], edi
cmp word [edi], 0
je 0x47bc80
jmp 0x47bc58
mov eax, dword [ebx + 0x64]
mov esi, dword [ebx + 0x1c]
lea edx, [eax + eax]
sub esi, edx
cmp edi, esi
ja 0x47bbba
cmp cx, word [ebx + 0x68]
jne 0x47bbba
cmp eax, 1
je 0x47bb7c
mov ax, word [edi + 2]
cmp ax, word [ebx + 0x6a]
je 0x47bb7c
add edi, 2
cmp dword [esp + 0x38], 0
mov dword [esp + 0x10], edi
je 0x47bbe4
mov cx, word [edi]
mov edx, 0xfc00
and cx, dx
mov eax, 0xdc00
cmp cx, ax
jne 0x47bbe4
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
jne 0x47bb57
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 0x47bc35
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.0047b800
add esp, 0x1c
test eax, eax
jg 0x47bc89
mov edi, dword [esp + 0x10]
cmp word [edi], 0
je 0x47bc80
jmp 0x47bc58
cmp eax, 0x29
je 0x47bc71
cmp eax, 0x7c
jne 0x47bc58
cmp dword [esp + 0x18], 0
je 0x47bc58
mov eax, dword [ebp]
cmp eax, edx
jle 0x47bc51
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 0x47bc80
mov ebp, dword [esp + 0x3c]
jmp 0x47b871
cmp dword [esp + 0x18], 0
je 0x47bc80
cmp dword [ebp], edx
jge 0x47bc80
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