Function at 0x4a7d10
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 0x4a7d74
movzx ecx, word [edi + 2]
cmp ecx, 0x2a
jne 0x4a7d52
add edi, 4
jmp 0x4a7d70
cmp ecx, 0x3f
je 0x4a7de5
inc eax
mov dword [ebp], eax
test ebx, ebx
jne 0x4a7d6d
cmp eax, dword [esp + 0x30]
je 0x4a8199
add edi, 2
mov dword [esp + 0x10], edi
mov ebx, dword [esp + 0x28]
cmp edi, dword [ebx + 0x1c]
jae 0x4a8190
movzx eax, word [edi]
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x34]
cmp eax, 0x5c
jne 0x4a7f28
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4a8190
cmp eax, 0x51
jne 0x4a8168
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4a8190
cmp eax, 0x5c
jne 0x4a7db1
cmp word [edi], 0
je 0x4a8190
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x4a7db1
jmp 0x4a8168
movzx ecx, word [edi + 4]
cmp ecx, 0x7c
jne 0x4a7dfe
add edi, 6
mov dword [esp + 0x18], 1
jmp 0x4a7d70
cmp ecx, 0x23
jne 0x4a7e40
add edi, 6
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4a8190
cmp ax, 0x29
je 0x4a8190
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x4a7e16
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 0x4a7e8c
cmp word [edi + 2], 0x3f
je 0x4a7d74
movzx eax, word [edi]
test ax, ax
je 0x4a7d74
cmp ax, 0x29
je 0x4a7e7d
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x4a7e63
jmp 0x4a7d74
cmp word [edi], 0
je 0x4a7d74
jmp 0x4a7d6d
cmp word [edi], 0x50
jne 0x4a7e99
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
cmp ecx, 0x3c
jne 0x4a7eaf
movzx edx, word [edi + 2]
cmp edx, 0x21
je 0x4a7eaf
cmp edx, 0x3d
jne 0x4a7eb8
cmp ecx, 0x27
jne 0x4a7d74
lea esi, [eax + 1]
mov dword [ebp], esi
test ebx, ebx
jne 0x4a7ec8
cmp esi, dword [esp + 0x30]
je 0x4a7f1e
movzx ecx, word [edi]
add edi, 2
mov dword [esp + 0x10], edi
cmp ecx, 0x3c
jne 0x4a7edc
mov ecx, 0x3e
movzx edx, word [edi]
mov eax, edi
cmp edx, ecx
je 0x4a7ef3
add edi, 2
mov dword [esp + 0x10], edi
movzx edx, word [edi]
cmp edx, ecx
jne 0x4a7ee5
test ebx, ebx
je 0x4a7d74
mov ecx, edi
sub ecx, eax
sar ecx, 1
cmp dword [esp + 0x30], ecx
jne 0x4a7d74
mov ecx, dword [esp + 0x30]
mov edx, ebx
call fcn.004b8d40
test eax, eax
jne 0x4a7d74
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
cmp eax, 0x5b
jne 0x4a8043
xor ebp, ebp
movzx eax, word [edi + 2]
cmp eax, 0x5c
jne 0x4a7f8a
cmp word [edi + 4], 0x45
lea ecx, [edi + 4]
jne 0x4a7f4e
mov edi, ecx
mov dword [esp + 0x10], edi
jmp 0x4a7f33
mov ebx, 3
mov esi, 0x4de740
movzx eax, word [ecx]
movzx edx, byte [esi]
dec ebx
add ecx, 2
inc esi
cmp dx, ax
jne 0x4a7f75
test ebx, ebx
jne 0x4a7f58
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x4a7f33
sbb eax, eax
neg eax
lea eax, [eax + eax - 1]
test eax, eax
jne 0x4a7f9f
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x4a7f33
test ebp, ebp
jne 0x4a7f9f
cmp eax, 0x5e
jne 0x4a7f9f
add edi, 2
lea ebp, [eax - 0x5d]
mov dword [esp + 0x10], edi
jmp 0x4a7f33
cmp word [edi + 2], 0x5d
jne 0x4a7fb6
mov eax, dword [esp + 0x28]
test dword [eax + 0x4c], 0x2000000
jne 0x4a7fb6
add edi, 2
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
je 0x4a8168
lea esp, [esp]
test ax, ax
je 0x4a8196
cmp ax, 0x5c
jne 0x4a802f
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4a8190
cmp eax, 0x51
jne 0x4a802f
jmp 0x4a8000
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4a8190
cmp eax, 0x5c
jne 0x4a8000
cmp word [edi], 0
je 0x4a8190
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x4a8000
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
jne 0x4a7fd0
jmp 0x4a8168
test ecx, ecx
je 0x4a8111
cmp eax, 0x23
jne 0x4a8111
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
je 0x4a8190
mov eax, dword [ebx + 0x60]
test eax, eax
je 0x4a80a6
mov edx, dword [ebx + 0x1c]
cmp edi, edx
jae 0x4a80ca
mov ecx, dword [esp + 0x38]
push ecx
lea esi, [ebx + 0x64]
push eax
mov ecx, edi
call fcn.004b8dc0
add esp, 8
test eax, eax
je 0x4a80ca
mov ecx, dword [ebx + 0x64]
lea edi, [edi + ecx*2 - 2]
mov dword [esp + 0x10], edi
cmp word [edi], 0
je 0x4a8190
jmp 0x4a8168
mov eax, dword [ebx + 0x64]
mov esi, dword [ebx + 0x1c]
lea edx, [eax + eax]
sub esi, edx
cmp edi, esi
ja 0x4a80ca
cmp cx, word [ebx + 0x68]
jne 0x4a80ca
cmp eax, 1
je 0x4a808c
mov ax, word [edi + 2]
cmp ax, word [ebx + 0x6a]
je 0x4a808c
add edi, 2
cmp dword [esp + 0x38], 0
mov dword [esp + 0x10], edi
je 0x4a80f4
mov cx, word [edi]
mov edx, 0xfc00
and cx, dx
mov eax, 0xdc00
cmp cx, ax
jne 0x4a80f4
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
jne 0x4a8067
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 0x4a8145
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.004a7d10
add esp, 0x1c
test eax, eax
jg 0x4a8199
mov edi, dword [esp + 0x10]
cmp word [edi], 0
je 0x4a8190
jmp 0x4a8168
cmp eax, 0x29
je 0x4a8181
cmp eax, 0x7c
jne 0x4a8168
cmp dword [esp + 0x18], 0
je 0x4a8168
mov eax, dword [ebp]
cmp eax, edx
jle 0x4a8161
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 0x4a8190
mov ebp, dword [esp + 0x3c]
jmp 0x4a7d81
cmp dword [esp + 0x18], 0
je 0x4a8190
cmp dword [ebp], edx
jge 0x4a8190
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