Function at 0x4b27d0
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 0x4b2834
movzx ecx, word [edi + 2]
cmp ecx, 0x2a
jne 0x4b2812
add edi, 4
jmp 0x4b2830
cmp ecx, 0x3f
je 0x4b28a5
inc eax
mov dword [ebp], eax
test ebx, ebx
jne 0x4b282d
cmp eax, dword [esp + 0x30]
je 0x4b2c59
add edi, 2
mov dword [esp + 0x10], edi
mov ebx, dword [esp + 0x28]
cmp edi, dword [ebx + 0x1c]
jae 0x4b2c50
movzx eax, word [edi]
mov edx, dword [esp + 0x14]
mov ecx, dword [esp + 0x34]
cmp eax, 0x5c
jne 0x4b29e8
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4b2c50
cmp eax, 0x51
jne 0x4b2c28
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4b2c50
cmp eax, 0x5c
jne 0x4b2871
cmp word [edi], 0
je 0x4b2c50
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x4b2871
jmp 0x4b2c28
movzx ecx, word [edi + 4]
cmp ecx, 0x7c
jne 0x4b28be
add edi, 6
mov dword [esp + 0x18], 1
jmp 0x4b2830
cmp ecx, 0x23
jne 0x4b2900
add edi, 6
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4b2c50
cmp ax, 0x29
je 0x4b2c50
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x4b28d6
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 0x4b294c
cmp word [edi + 2], 0x3f
je 0x4b2834
movzx eax, word [edi]
test ax, ax
je 0x4b2834
cmp ax, 0x29
je 0x4b293d
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
jne 0x4b2923
jmp 0x4b2834
cmp word [edi], 0
je 0x4b2834
jmp 0x4b282d
cmp word [edi], 0x50
jne 0x4b2959
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
cmp ecx, 0x3c
jne 0x4b296f
movzx edx, word [edi + 2]
cmp edx, 0x21
je 0x4b296f
cmp edx, 0x3d
jne 0x4b2978
cmp ecx, 0x27
jne 0x4b2834
lea esi, [eax + 1]
mov dword [ebp], esi
test ebx, ebx
jne 0x4b2988
cmp esi, dword [esp + 0x30]
je 0x4b29de
movzx ecx, word [edi]
add edi, 2
mov dword [esp + 0x10], edi
cmp ecx, 0x3c
jne 0x4b299c
mov ecx, 0x3e
movzx edx, word [edi]
mov eax, edi
cmp edx, ecx
je 0x4b29b3
add edi, 2
mov dword [esp + 0x10], edi
movzx edx, word [edi]
cmp edx, ecx
jne 0x4b29a5
test ebx, ebx
je 0x4b2834
mov ecx, edi
sub ecx, eax
sar ecx, 1
cmp dword [esp + 0x30], ecx
jne 0x4b2834
mov ecx, dword [esp + 0x30]
mov edx, ebx
call fcn.004c4600
test eax, eax
jne 0x4b2834
pop edi
mov eax, esi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
cmp eax, 0x5b
jne 0x4b2b03
xor ebp, ebp
movzx eax, word [edi + 2]
cmp eax, 0x5c
jne 0x4b2a4a
cmp word [edi + 4], 0x45
lea ecx, [edi + 4]
jne 0x4b2a0e
mov edi, ecx
mov dword [esp + 0x10], edi
jmp 0x4b29f3
mov ebx, 3
mov esi, 0x509f00
movzx eax, word [ecx]
movzx edx, byte [esi]
dec ebx
add ecx, 2
inc esi
cmp dx, ax
jne 0x4b2a35
test ebx, ebx
jne 0x4b2a18
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x4b29f3
sbb eax, eax
neg eax
lea eax, [eax + eax - 1]
test eax, eax
jne 0x4b2a5f
add edi, 8
mov dword [esp + 0x10], edi
jmp 0x4b29f3
test ebp, ebp
jne 0x4b2a5f
cmp eax, 0x5e
jne 0x4b2a5f
add edi, 2
lea ebp, [eax - 0x5d]
mov dword [esp + 0x10], edi
jmp 0x4b29f3
cmp word [edi + 2], 0x5d
jne 0x4b2a76
mov eax, dword [esp + 0x28]
test dword [eax + 0x4c], 0x2000000
jne 0x4b2a76
add edi, 2
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
je 0x4b2c28
lea esp, [esp]
test ax, ax
je 0x4b2c56
cmp ax, 0x5c
jne 0x4b2aef
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4b2c50
cmp eax, 0x51
jne 0x4b2aef
jmp 0x4b2ac0
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
test ax, ax
je 0x4b2c50
cmp eax, 0x5c
jne 0x4b2ac0
cmp word [edi], 0
je 0x4b2c50
add edi, 2
mov dword [esp + 0x10], edi
cmp word [edi], 0x45
jne 0x4b2ac0
add edi, 2
mov dword [esp + 0x10], edi
movzx eax, word [edi]
cmp eax, 0x5d
jne 0x4b2a90
jmp 0x4b2c28
test ecx, ecx
je 0x4b2bd1
cmp eax, 0x23
jne 0x4b2bd1
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
je 0x4b2c50
mov eax, dword [ebx + 0x60]
test eax, eax
je 0x4b2b66
mov edx, dword [ebx + 0x1c]
cmp edi, edx
jae 0x4b2b8a
mov ecx, dword [esp + 0x38]
push ecx
lea esi, [ebx + 0x64]
push eax
mov ecx, edi
call fcn.004c4680
add esp, 8
test eax, eax
je 0x4b2b8a
mov ecx, dword [ebx + 0x64]
lea edi, [edi + ecx*2 - 2]
mov dword [esp + 0x10], edi
cmp word [edi], 0
je 0x4b2c50
jmp 0x4b2c28
mov eax, dword [ebx + 0x64]
mov esi, dword [ebx + 0x1c]
lea edx, [eax + eax]
sub esi, edx
cmp edi, esi
ja 0x4b2b8a
cmp cx, word [ebx + 0x68]
jne 0x4b2b8a
cmp eax, 1
je 0x4b2b4c
mov ax, word [edi + 2]
cmp ax, word [ebx + 0x6a]
je 0x4b2b4c
add edi, 2
cmp dword [esp + 0x38], 0
mov dword [esp + 0x10], edi
je 0x4b2bb4
mov cx, word [edi]
mov edx, 0xfc00
and cx, dx
mov eax, 0xdc00
cmp cx, ax
jne 0x4b2bb4
add edi, 2
mov dword [esp + 0x10], edi
movzx ecx, word [edi]
test cx, cx
jne 0x4b2b27
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 0x4b2c05
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.004b27d0
add esp, 0x1c
test eax, eax
jg 0x4b2c59
mov edi, dword [esp + 0x10]
cmp word [edi], 0
je 0x4b2c50
jmp 0x4b2c28
cmp eax, 0x29
je 0x4b2c41
cmp eax, 0x7c
jne 0x4b2c28
cmp dword [esp + 0x18], 0
je 0x4b2c28
mov eax, dword [ebp]
cmp eax, edx
jle 0x4b2c21
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 0x4b2c50
mov ebp, dword [esp + 0x3c]
jmp 0x4b2841
cmp dword [esp + 0x18], 0
je 0x4b2c50
cmp dword [ebp], edx
jge 0x4b2c50
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