Function at 0x4d3980
Capabilities:
Parse credit card information

Disassembly:
sub esp, 0x10
push ebx
push ebp
push esi
push edi
mov edi, dword [eax]
mov ecx, dword [edi + 0x47cc]
mov al, byte [ecx]
mov ebp, dword [edi + 0x128]
mov dword [esp + 0x1c], edi
mov esi, ecx
call fcn.004d3840
test eax, eax
je 0x4d39f4
jmp 0x4d39b0
mov al, byte [esi + 1]
add esi, 1
call fcn.004d3840
test eax, eax
jne 0x4d39b0
cmp esi, ecx
je 0x4d39f4
mov eax, esi
jbe 0x4d39d2
cmp byte [esi - 1], 0x2f
lea edx, [esi - 1]
jne 0x4d39d2
mov eax, edx
push 1
xor ebx, ebx
push ebx
lea edx, [ebp + 4]
push edx
sub eax, ecx
push eax
push ecx
push edi
call fcn.004df7b0
add esp, 0x18
cmp eax, ebx
je 0x4d39f9
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
xor ebx, ebx
mov dword [ebp + 4], ebx
cmp byte [esi], 0x3b
jne 0x4d3bea
mov al, byte [esi + 1]
add esi, 1
cmp al, bl
mov ecx, esi
je 0x4d3bdd
cmp al, 0x3d
je 0x4d3a2d
mov al, byte [esi + 1]
add esi, 1
cmp al, bl
jne 0x4d3a12
pop edi
pop esi
pop ebp
mov eax, 3
pop ebx
add esp, 0x10
ret
cmp byte [esi], bl
je 0x4d3bdd
push 1
push ebx
lea edx, [esp + 0x1c]
push edx
mov eax, esi
sub eax, ecx
push eax
push ecx
push edi
call fcn.004df7b0
add esp, 0x18
cmp eax, ebx
jne 0x4d3c42
mov al, byte [esi + 1]
add esi, 1
mov ecx, esi
call fcn.004d3840
test eax, eax
je 0x4d3a74
mov al, byte [esi + 1]
add esi, 1
call fcn.004d3840
test eax, eax
jne 0x4d3a65
push 1
lea edx, [esp + 0x1c]
push edx
lea eax, [esp + 0x18]
push eax
mov edx, esi
sub edx, ecx
push edx
push ecx
push edi
call fcn.004df7b0
mov edi, eax
add esp, 0x18
cmp edi, ebx
jne 0x4d3bac
mov eax, dword [esp + 0x14]
push str.UIDVALIDITY
push eax
call fcn.004beef0
add esp, 8
test eax, eax
je 0x4d3ad7
cmp dword [ebp + 8], ebx
jne 0x4d3ad7
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x4d3acb
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x4d3acb
mov byte [ecx + eax - 1], bl
mov ecx, dword [esp + 0x10]
mov dword [ebp + 8], ecx
jmp 0x4d3b86
mov edx, dword [esp + 0x14]
push 0x5bd690
push edx
call fcn.004beef0
add esp, 8
test eax, eax
je 0x4d3b12
cmp dword [ebp + 0xc], ebx
jne 0x4d3b12
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x4d3b09
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x4d3b09
mov byte [ecx + eax - 1], bl
mov eax, dword [esp + 0x10]
mov dword [ebp + 0xc], eax
jmp 0x4d3b86
mov ecx, dword [esp + 0x14]
push str.SECTION
push ecx
call fcn.004beef0
add esp, 8
test eax, eax
je 0x4d3b4d
cmp dword [ebp + 0x10], ebx
jne 0x4d3b4d
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x4d3b44
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x4d3b44
mov byte [ecx + eax - 1], bl
mov edx, dword [esp + 0x10]
mov dword [ebp + 0x10], edx
jmp 0x4d3b86
mov eax, dword [esp + 0x14]
push str.PARTIAL
push eax
call fcn.004beef0
add esp, 8
test eax, eax
je 0x4d3bc4
cmp dword [ebp + 0x14], ebx
jne 0x4d3bc4
mov eax, dword [esp + 0x18]
cmp eax, ebx
jbe 0x4d3b7f
mov ecx, dword [esp + 0x10]
cmp byte [ecx + eax - 1], 0x2f
jne 0x4d3b7f
mov byte [ecx + eax - 1], bl
mov ecx, dword [esp + 0x10]
mov dword [ebp + 0x14], ecx
mov edx, dword [esp + 0x14]
push edx
mov dword [esp + 0x14], ebx
call dword [0x6228a0]
mov eax, dword [esp + 0x14]
push eax
call dword [0x6228a0]
mov edi, dword [esp + 0x24]
add esp, 8
jmp 0x4d39f9
mov ecx, dword [esp + 0x14]
push ecx
call dword [0x6228a0]
add esp, 4
mov eax, edi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov edx, dword [esp + 0x14]
push edx
call dword [0x6228a0]
mov eax, dword [esp + 0x14]
push eax
call dword [0x6228a0]
add esp, 8
pop edi
pop esi
pop ebp
mov eax, 3
pop ebx
add esp, 0x10
ret
cmp dword [ebp + 4], ebx
je 0x4d3c39
cmp dword [ebp + 0xc], ebx
jne 0x4d3c39
cmp byte [esi], 0x3f
jne 0x4d3c39
mov al, byte [esi + 1]
add esi, 1
mov ecx, esi
call fcn.004d3840
test eax, eax
je 0x4d3c1f
lea ebx, [ebx]
mov al, byte [esi + 1]
add esi, 1
call fcn.004d3840
test eax, eax
jne 0x4d3c10
push 1
push ebx
add ebp, 0x18
push ebp
mov edx, esi
sub edx, ecx
push edx
push ecx
push edi
call fcn.004df7b0
add esp, 0x18
cmp eax, ebx
jne 0x4d3c42
mov al, byte [esi]
neg al
sbb eax, eax
and eax, 3
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret