Function at 0x487540
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 0x4875a4
movzx ecx, word [edi + 2]
cmp ecx, 0x2a
jne 0x487582
add edi, 4
jmp 0x4875a0
cmp ecx, 0x3f
je 0x487615
inc eax
mov dword [ebp], eax
test ebx, ebx
jne 0x48759d
cmp eax, dword [esp + 0x30]
je 0x4879c9
add edi, 2
mov dword [esp + 0x10], edi
mov ebx, dword [esp + 0x28]
cmp edi, dword [ebx + 0x1c]
jae 0x4879c0
movzx eax, word [edi]
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x34]
cmp eax, 0x5c
jne 0x487758
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4879c0
cmp eax, 0x51
jne 0x487998
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4879c0
cmp eax, 0x5c
jne 0x4875e1
cmp word [edi], 0
je 0x4879c0
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x4875e1
jmp 0x487998
movzx ecx, word [edi + 4]
cmp ecx, 0x7c
jne 0x48762e
add edi, 6
mov dword [esp + 0x18], 1
jmp 0x4875a0
cmp ecx, 0x23
jne 0x487670
add edi, 6
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4879c0
cmp ax, 0x29
je 0x4879c0
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x487646
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 0x4876bc
cmp word [edi + 2], 0x3f
je 0x4875a4
movzx eax, word [edi]
test ax, ax
je 0x4875a4
cmp ax, 0x29
je 0x4876ad
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x487693
jmp 0x4875a4
cmp word [edi], 0
je 0x4875a4
jmp 0x48759d
cmp word [edi], 0x50
jne 0x4876c9
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
cmp ecx, 0x3c
jne 0x4876df
movzx edx, word [edi + 2]
cmp edx, 0x21
je 0x4876df
cmp edx, 0x3d
jne 0x4876e8
cmp ecx, 0x27
jne 0x4875a4
lea esi, [eax + 1]
mov dword [ebp], esi
test ebx, ebx
jne 0x4876f8
cmp esi, dword [esp + 0x30]
je 0x48774e
movzx ecx, word [edi]
add edi, 2
mov dword [esp + 0x10], edi
cmp ecx, 0x3c
jne 0x48770c
mov ecx, 0x3e
movzx edx, word [edi]
mov eax, edi
cmp edx, ecx
je 0x487723
add edi, 2
mov dword [esp + 0x10], edi
movzx edx, word [edi]
cmp edx, ecx
jne 0x487715
test ebx, ebx
je 0x4875a4
mov ecx, edi
sub ecx, eax
sar ecx, 1
cmp dword [esp + 0x30], ecx
jne 0x4875a4
mov ecx, dword [esp + 0x30]
mov edx, ebx
call fcn.004993d0
test eax, eax
jne 0x4875a4
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
cmp eax, 0x5b
jne 0x487873
xor ebp, ebp
movzx eax, word [edi + 2]
cmp eax, 0x5c
jne 0x4877ba
cmp word [edi + 4], 0x45
lea ecx, [edi + 4]
jne 0x48777e
mov edi, ecx
mov dword [esp + 0x10], edi
jmp 0x487763
mov ebx, 3
mov esi, 0x4cec70
movzx eax, word [ecx]
movzx edx, byte [esi]
dec ebx
add ecx, 2
inc esi
cmp dx, ax
jne 0x4877a5
test ebx, ebx
jne 0x487788
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x487763
sbb eax, eax
neg eax
lea eax, [eax + eax - 1]
test eax, eax
jne 0x4877cf
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x487763
test ebp, ebp
jne 0x4877cf
cmp eax, 0x5e
jne 0x4877cf
add edi, 2
lea ebp, [eax - 0x5d]
mov dword [esp + 0x10], edi
jmp 0x487763
cmp word [edi + 2], 0x5d
jne 0x4877e6
mov eax, dword [esp + 0x28]
test dword [eax + 0x4c], 0x2000000
jne 0x4877e6
add edi, 2
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
je 0x487998
lea esp, [esp]
test ax, ax
je 0x4879c6
cmp ax, 0x5c
jne 0x48785f
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4879c0
cmp eax, 0x51
jne 0x48785f
jmp 0x487830
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4879c0
cmp eax, 0x5c
jne 0x487830
cmp word [edi], 0
je 0x4879c0
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x487830
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
jne 0x487800
jmp 0x487998
test ecx, ecx
je 0x487941
cmp eax, 0x23
jne 0x487941
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
je 0x4879c0
mov eax, dword [ebx + 0x60]
test eax, eax
je 0x4878d6
mov edx, dword [ebx + 0x1c]
cmp edi, edx
jae 0x4878fa
mov ecx, dword [esp + 0x38]
push ecx
lea esi, [ebx + 0x64]
push eax
mov ecx, edi
call fcn.00499450
add esp, 8
test eax, eax
je 0x4878fa
mov ecx, dword [ebx + 0x64]
lea edi, [edi + ecx*2 - 2]
mov dword [esp + 0x10], edi
cmp word [edi], 0
je 0x4879c0
jmp 0x487998
mov eax, dword [ebx + 0x64]
mov esi, dword [ebx + 0x1c]
lea edx, [eax + eax]
sub esi, edx
cmp edi, esi
ja 0x4878fa
cmp cx, word [ebx + 0x68]
jne 0x4878fa
cmp eax, 1
je 0x4878bc
mov ax, word [edi + 2]
cmp ax, word [ebx + 0x6a]
je 0x4878bc
add edi, 2
cmp dword [esp + 0x38], 0
mov dword [esp + 0x10], edi
je 0x487924
mov cx, word [edi]
mov edx, 0xfc00
and cx, dx
mov eax, 0xdc00
cmp cx, ax
jne 0x487924
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
jne 0x487897
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 0x487975
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.00487540
add esp, 0x1c
test eax, eax
jg 0x4879c9
mov edi, dword [esp + 0x10]
cmp word [edi], 0
je 0x4879c0
jmp 0x487998
cmp eax, 0x29
je 0x4879b1
cmp eax, 0x7c
jne 0x487998
cmp dword [esp + 0x18], 0
je 0x487998
mov eax, dword [ebp]
cmp eax, edx
jle 0x487991
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 0x4879c0
mov ebp, dword [esp + 0x3c]
jmp 0x4875b1
cmp dword [esp + 0x18], 0
je 0x4879c0
cmp dword [ebp], edx
jge 0x4879c0
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