Function at 0x496304
Capabilities:
Parse credit card information

Disassembly:
push ebp
mov ebp, esp
mov edx, dword [ebp + 8]
sub esp, 0x14
test edx, edx
je 0x4963f5
push ebx
push esi
mov esi, dword [ebp + 0xc]
push edi
test esi, esi
je 0x4963f5
cmp edx, esi
je 0x4963f5
xor edi, edi
mov ecx, 1
mov ebx, esi
mov dword [ebp - 0xc], edi
mov dword [ebp - 4], ecx
mov dword [ebp - 0x14], edi
mov dword [ebp - 8], edi
mov dword [ebp - 0x10], ebx
mov bl, byte [edx]
test bl, bl
je 0x4963e2
mov eax, edi
inc edx
sub eax, dword [ebp + 0x14]
neg eax
mov dword [ebp + 8], edx
sbb eax, eax
and eax, ecx
mov dword [ebp - 4], eax
cmp bl, 0x3a
jne 0x4961d4
test byte [ebp + 0x18], 0x80
mov ecx, dword [ebp - 8]
je 0x4961cc
test ecx, ecx
jne 0x4961cc
test eax, eax
je 0x4961c6
mov byte [esi], cl
mov ecx, esi
sub ecx, edi
cmp ecx, dword [ebp - 0x10]
jb 0x4963f5
mov eax, dword [ebp + 0x14]
add eax, dword [ebp - 0x10]
mov esi, dword [ebp + 0xc]
cmp ecx, eax
ja 0x4963f5
sub eax, ecx
inc eax
push eax
push ecx
call fcn.004d39ec
push eax
call fcn.00483960
add esp, 0xc
cmp edi, 4
jne 0x4961c6
push edi
lea eax, [esi - 4]
push eax
push 0x4fb65c
call fcn.004cee20
add esp, 0xc
test eax, eax
jne 0x4961c6
mov dword [ebp - 0x14], 1
lea ecx, [edi + 1]
mov dword [ebp - 8], ecx
mov eax, dword [ebp + 0x18]
jmp 0x49625d
cmp bl, 0x25
jne 0x49628b
mov eax, dword [ebp + 0x18]
test al, 4
je 0x49625a
mov cl, byte [edx]
test cl, cl
je 0x4963df
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x4961fe
movzx eax, cl
sub ax, 0x30
jmp 0x496220
lea eax, [ecx - 0x41]
cmp al, 5
ja 0x49620e
movzx eax, cl
sub ax, 0x37
jmp 0x496220
lea eax, [ecx - 0x61]
cmp al, 5
ja 0x4963bc
movzx eax, cl
sub ax, 0x57
movzx ebx, ax
test bx, bx
js 0x4963bc
mov al, byte [edx + 1]
test al, al
je 0x4963df
lea ecx, [edx + 2]
push eax
mov dword [ebp + 8], ecx
call fcn.00496570
movzx eax, ax
add esp, 4
test ax, ax
js 0x4963b5
shl bl, 4
add bl, al
mov eax, dword [ebp + 0x18]
mov ecx, dword [ebp - 8]
and al, 0x82
cmp al, 0x80
jne 0x4962dd
cmp bl, 0x5c
jne 0x4962a4
test ecx, ecx
jne 0x496275
test dword [ebp + 0x18], 0x100
je 0x4962dd
mov ecx, dword [ebp - 4]
test ecx, ecx
je 0x4962e0
cmp dword [ebp - 0x14], 0
je 0x496287
cmp edi, 7
jae 0x4962e0
mov bl, 0x2f
jmp 0x4962e0
cmp bl, 0x3f
je 0x496295
cmp bl, 0x23
jne 0x496257
mov eax, dword [ebp + 0x18]
test al, 0x20
je 0x49625a
or eax, 2
mov dword [ebp + 0x18], eax
jmp 0x49625a
cmp bl, 0x2e
jne 0x4962dd
test edi, edi
je 0x4962dd
mov eax, dword [ebp + 0x18]
test al, 8
jne 0x4962dd
push ecx
push eax
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp + 8]
push eax
push edi
lea eax, [esi - 1]
push eax
lea eax, [ebp + 0xc]
push eax
call fcn.00496470
mov esi, dword [ebp + 0xc]
add esp, 0x1c
mov edi, dword [ebp - 0xc]
test eax, eax
jne 0x4963aa
mov ecx, dword [ebp - 4]
movzx edx, bl
lea eax, [edx - 0x20]
cmp eax, 0x5d
ja case.0x4962f2.33
movzx eax, byte [eax + 0x496408]
jmp dword [eax*4 + 0x496400]
lea eax, [ebx - 0x20]
cmp al, 0x5e
jbe 0x49639c
mov eax, dword [ebp + 0x18]
test al, 2
jne 0x49639c
test al, 0x10
je 0x49631c
cmp bl, 0x20
jne 0x49639c
test al, 8
je 0x496325
cmp bl, 0x2e
je 0x49639c
test al, 0x40
jne 0x49632e
cmp bl, 0x25
je 0x49639c
mov eax, dword [ebp + 0x14]
add eax, 0xfffffffd
cmp edi, eax
jb 0x496351
mov edx, dword [ebp + 8]
add edi, 2
mov dword [ebp - 4], 0
inc edi
mov ecx, dword [ebp - 4]
mov dword [ebp - 0xc], edi
jmp 0x49613f
test ecx, ecx
je 0x49638a
mov byte [esi], 0x25
lea ecx, [esi + 1]
cmp bl, 0x10
jae 0x496364
mov byte [ecx], 0x30
inc ecx
mov eax, dword [ebp - 0x10]
mov ebx, dword [ebp + 0x14]
add eax, ebx
push 0x10
sub eax, ecx
push eax
push ecx
push edx
call fcn.004cf1c6
push eax
call fcn.00483960
mov esi, dword [ebp + 0xc]
add esp, 0x14
add esi, 3
mov dword [ebp + 0xc], esi
mov edx, dword [ebp + 8]
add edi, 2
mov ecx, dword [ebp - 4]
inc edi
mov dword [ebp - 0xc], edi
jmp 0x49613f
test ecx, ecx
je 0x4963a6
mov byte [esi], bl
inc esi
mov dword [ebp + 0xc], esi
inc edi
mov dword [ebp - 0xc], edi
mov edx, dword [ebp + 8]
mov ecx, dword [ebp - 4]
jmp 0x49613f
xor ecx, ecx
mov dword [ebp - 4], ecx
jmp 0x4963e2
xor edx, edx
mov ebx, dword [ebp + 0x14]
mov ecx, dword [ebp + 0x10]
test ecx, ecx
je 0x4963cd
lea eax, [edi + 1]
mov dword [ecx], eax
lea eax, [edi + 1]
cmp ebx, eax
pop edi
sbb eax, eax
not eax
pop esi
and eax, edx
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 4]
mov edx, dword [ebp - 4]
test ecx, ecx
je 0x4963be
mov ebx, dword [ebp + 0x14]
cmp edi, ebx
jae 0x4963c1
mov byte [esi], 0
jmp 0x4963c1
push 0x80004005
call fcn.00483200
nop
add al, 0x63
dec ecx
add cl, bh
bound ecx, qword [ecx]
add byte [ecx], al
add byte [eax], al
add byte [eax], al
add byte [ecx], al
add dword [ecx], eax
add dword [eax], eax
add byte [ecx], al
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [eax], eax
add byte [eax], al
add byte [eax], al
add byte [ecx], al
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [eax], eax
add byte [eax], al
add byte [ecx], al
add byte [ecx], al
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [ecx], eax
add dword [eax], eax
add byte [eax], al
int3