Function at 0x4b01bb
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x10
mov eax, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0x20]
push esi
mov esi, dword [eax]
mov eax, dword [ebx]
mov ecx, eax
mov dword [ebp - 4], esi
cmp byte [esi], 0x28
push edi
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x10], ecx
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], 0
jne 0x4b0319
mov cl, byte [esi + 1]
cmp cl, 0x2a
jne 0x4b055d
add esi, 2
mov dword [ebp - 4], esi
jmp 0x4b0319
mov cl, byte [esi + 2]
cmp cl, 0x7c
jne 0x4b021d
add esi, 3
mov dword [ebp - 4], esi
mov dword [ebp - 0xc], 1
jmp 0x4b0319
cmp cl, 0x23
jne 0x4b0253
add esi, 3
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
je 0x4b054e
cmp al, 0x29
je 0x4b054e
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
jne 0x4b0232
mov eax, dword [ebp + 8]
pop edi
mov dword [eax], esi
pop esi
or eax, 0xffffffff
pop ebx
mov esp, ebp
pop ebp
ret
add esi, 2
mov dword [ebp - 4], esi
cmp cl, 0x28
jne 0x4b0297
cmp byte [esi + 1], 0x3f
je 0x4b0319
mov al, byte [esi]
test al, al
je 0x4b0319
cmp al, 0x29
je 0x4b0285
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
jne 0x4b0272
jmp 0x4b0319
cmp byte [esi], 0
je 0x4b0319
inc esi
mov dword [ebp - 4], esi
jmp 0x4b0319
cmp byte [esi], 0x50
jne 0x4b02a0
inc esi
mov dword [ebp - 4], esi
mov cl, byte [esi]
cmp cl, 0x3c
jne 0x4b02b4
mov dl, byte [esi + 1]
cmp dl, 0x21
je 0x4b02b4
cmp dl, 0x3d
jne 0x4b02b9
cmp cl, 0x27
jne 0x4b0319
inc eax
mov dword [ebx], eax
test edi, edi
jne 0x4b02c9
cmp eax, dword [ebp + 0x14]
je 0x4b057a
movzx eax, byte [esi]
inc esi
mov dword [ebp - 4], esi
cmp eax, 0x3c
jne 0x4b02da
mov eax, 0x3e
movzx edx, byte [esi]
mov ecx, esi
cmp edx, eax
je 0x4b02ee
inc esi
mov dword [ebp - 4], esi
movzx edx, byte [esi]
cmp edx, eax
jne 0x4b02e3
test edi, edi
je 0x4b0319
mov eax, esi
sub eax, ecx
cmp dword [ebp + 0x14], eax
jne 0x4b0319
mov edx, dword [ebp + 0x14]
push edx
push ecx
push edi
call fcn.00494491
add esp, 0xc
test eax, eax
jne 0x4b0316
mov eax, dword [ebx]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp - 4]
mov edi, dword [ebp + 0xc]
cmp esi, dword [edi + 0x1c]
jae 0x4b054e
mov al, byte [esi]
mov ecx, dword [ebp - 8]
cmp al, 0x5c
jne 0x4b0373
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
je 0x4b054e
cmp al, 0x51
jne 0x4b0531
lea esp, [esp]
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
je 0x4b054e
cmp al, 0x5c
jne 0x4b034b
test al, al
je 0x4b054e
inc esi
mov dword [ebp - 4], esi
cmp byte [esi], 0x45
jne 0x4b034b
jmp 0x4b0531
cmp al, 0x5b
jne 0x4b0431
xor ebx, ebx
mov al, byte [esi + 1]
cmp al, 0x5c
jne 0x4b03b0
add esi, 2
cmp byte [esi], 0x45
jne 0x4b0391
mov dword [ebp - 4], esi
jmp 0x4b037d
push 3
push 0x49c7c4
push esi
call fcn.00494491
mov esi, dword [ebp - 4]
add esp, 0xc
test eax, eax
jne 0x4b03c3
add esi, 4
mov dword [ebp - 4], esi
jmp 0x4b037d
test ebx, ebx
jne 0x4b03c3
cmp al, 0x5e
jne 0x4b03c3
inc esi
mov ebx, 1
mov dword [ebp - 4], esi
jmp 0x4b037d
cmp byte [esi + 1], 0x5d
jne 0x4b03d3
test dword [edi + 0x44], 0x2000000
jne 0x4b03d3
inc esi
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
cmp al, 0x5d
je 0x4b0531
test al, al
je 0x4b0553
cmp al, 0x5c
jne 0x4b0422
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
je 0x4b054e
cmp al, 0x51
jne 0x4b0422
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
je 0x4b054e
cmp al, 0x5c
jne 0x4b03ff
test al, al
je 0x4b054e
inc esi
mov dword [ebp - 4], esi
cmp byte [esi], 0x45
jne 0x4b03ff
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
cmp al, 0x5d
jne 0x4b03e1
jmp 0x4b0531
mov edx, dword [ebp + 0x18]
test edx, edx
je 0x4b04e8
cmp al, 0x23
jne 0x4b04e8
inc esi
mov dword [ebp - 4], esi
mov al, byte [esi]
test al, al
je 0x4b054e
mov ecx, dword [edi + 0x58]
test ecx, ecx
je 0x4b048f
mov eax, dword [edi + 0x1c]
cmp esi, eax
jae 0x4b04ad
mov edx, dword [ebp + 0x1c]
push edx
lea edx, [edi + 0x5c]
push edx
push eax
push ecx
push esi
call fcn.004af7fd
add esp, 0x14
test eax, eax
je 0x4b04ad
mov eax, dword [edi + 0x5c]
lea esi, [esi + eax - 1]
mov dword [ebp - 4], esi
cmp byte [esi], 0
je 0x4b054e
jmp 0x4b0531
mov ecx, dword [edi + 0x5c]
mov edx, dword [edi + 0x1c]
sub edx, ecx
cmp esi, edx
ja 0x4b04ad
cmp al, byte [edi + 0x60]
jne 0x4b04ad
cmp ecx, 1
je 0x4b0477
mov al, byte [esi + 1]
cmp al, byte [edi + 0x61]
je 0x4b0477
inc esi
cmp dword [ebp + 0x1c], 0
mov dword [ebp - 4], esi
je 0x4b04cf
mov cl, byte [esi]
and cl, 0xc0
cmp cl, 0x80
jne 0x4b04cf
inc esi
mov dword [ebp - 4], esi
mov dl, byte [esi]
and dl, 0xc0
cmp dl, 0x80
je 0x4b04c1
mov al, byte [esi]
test al, al
jne 0x4b0452
mov eax, dword [ebp + 8]
pop edi
mov dword [eax], esi
pop esi
or eax, 0xffffffff
pop ebx
mov esp, ebp
pop ebp
ret
cmp al, 0x28
jne 0x4b0515
mov ecx, dword [ebp + 0x1c]
mov eax, dword [ebp + 0x10]
push ebx
push ecx
push edx
mov edx, dword [ebp + 0x14]
push edx
push eax
lea ecx, [ebp - 4]
push edi
push ecx
call fcn.004b01bb
add esp, 0x1c
test eax, eax
jg 0x4b057a
mov esi, dword [ebp - 4]
cmp byte [esi], 0
je 0x4b054e
jmp 0x4b0531
cmp al, 0x29
je 0x4b0542
cmp al, 0x7c
jne 0x4b0531
cmp dword [ebp - 0xc], 0
je 0x4b0531
mov eax, dword [ebx]
cmp eax, ecx
jle 0x4b052c
mov dword [ebp - 8], eax
mov edx, dword [ebp - 0x10]
mov dword [ebx], edx
inc esi
mov dword [ebp - 4], esi
cmp esi, dword [edi + 0x1c]
jae 0x4b054e
mov ebx, dword [ebp + 0x20]
jmp 0x4b0325
cmp dword [ebp - 0xc], 0
je 0x4b054e
cmp dword [ebx], ecx
jge 0x4b054e
mov dword [ebx], ecx
mov eax, dword [ebp + 8]
mov dword [eax], esi
pop edi
pop esi
or eax, 0xffffffff
pop ebx
mov esp, ebp
pop ebp
ret
cmp cl, 0x3f
je 0x4b0203
inc eax
mov dword [ebx], eax
test edi, edi
jne 0x4b028e
cmp eax, dword [ebp + 0x14]
jne 0x4b028e
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret