Function at 0x4cb260
Capabilities:
Decode data using base64 via dword translation table

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff8
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x54c93d
mov eax, dword fs:[0]
push eax
push ebx
sub esp, 0x48
mov eax, dword [0x577094]
xor eax, ebp
mov dword [ebp - 0x14], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, edx
mov dword [ebp - 0x34], eax
mov edx, ecx
mov dword [ebp - 0x38], edx
mov dword [ebp - 0x40], edx
mov esi, eax
mov dword [ebp - 0x40], edx
lea ecx, [esi + 1]
mov al, byte [esi]
inc esi
test al, al
jne 0x4cb2b3
xor edi, edi
mov dword [ebp - 0x30], 0
mov dword [ebp - 0x2c], edi
sub esi, ecx
mov dword [ebp - 0x1c], edi
mov dword [ebp - 0x18], 0xf
mov byte [ebp - 0x2c], al
mov eax, dword [ebp - 0x34]
mov dword [ebp - 4], edi
mov cl, byte [eax]
inc eax
mov dword [ebp - 0x3c], eax
test cl, cl
je 0x4cb4f3
mov edx, eax
nop dword [eax + eax]
mov eax, esi
dec esi
test eax, eax
jle 0x4cb4f0
cmp cl, 0x3d
jne 0x4cb39a
cmp byte [edx], cl
je 0x4cb4e2
mov eax, edi
and eax, 0x80000003
jns 0x4cb31a
dec eax
or eax, 0xfffffffc
inc eax
cmp eax, 1
jne 0x4cb4e2
mov edx, dword [ebp - 0x38]
xor ecx, ecx
mov dword [edx + 0x10], 0
lea esi, [ecx + 1]
mov dword [edx + 0x14], 0
mov dword [edx], 0
mov dword [edx + 0x10], 0
mov dword [edx + 0x14], 0xf
mov byte [edx], 0
mov al, byte [ecx]
inc ecx
test al, al
jne 0x4cb350
sub ecx, esi
push ecx
push 0
mov ecx, edx
call fcn.0040d740
mov edx, dword [ebp - 0x18]
cmp edx, 0x10
jb 0x4cb542
mov ecx, dword [ebp - 0x2c]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x4cb538
mov ecx, dword [eax - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4cb547
jmp 0x4cb538
movsx eax, cl
mov cl, byte [eax + 0x5656b8]
mov eax, edi
movsx edx, cl
mov dword [ebp - 0x34], edx
and eax, 0x80000003
jns 0x4cb3b7
dec eax
or eax, 0xfffffffc
inc eax
cmp eax, 3
ja case.default.0x4cb3c0
jmp dword [eax*4 + 0x4cb54c]
lea eax, [edx*4]
mov dword [ebp - 0x30], eax
jmp case.default.0x4cb3c0
mov eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x18]
sar cl, 4
or cl, byte [ebp - 0x30]
mov byte [ebp - 0x44], cl
mov dword [ebp - 0x30], eax
cmp eax, edx
jae 0x4cb416
inc eax
cmp edx, 0x10
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x2c]
cmovae eax, dword [ebp - 0x2c]
mov byte [eax + edx], cl
mov ecx, dword [ebp - 0x34]
and ecx, 0xf
mov byte [eax + edx + 1], 0
shl ecx, 4
mov dword [ebp - 0x30], ecx
jmp case.default.0x4cb3c0
push dword [ebp - 0x44]
mov byte [ebp - 0x48], 0
push dword [ebp - 0x48]
push ecx
lea ecx, [ebp - 0x2c]
call fcn.00410df0
mov ecx, dword [ebp - 0x34]
and ecx, 0xf
shl ecx, 4
mov dword [ebp - 0x30], ecx
jmp case.default.0x4cb3c0
mov eax, dword [ebp - 0x1c]
mov edx, dword [ebp - 0x18]
sar cl, 2
or cl, byte [ebp - 0x30]
mov byte [ebp - 0x4c], cl
mov dword [ebp - 0x30], eax
cmp eax, edx
jae 0x4cb477
inc eax
cmp edx, 0x10
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x2c]
cmovae eax, dword [ebp - 0x2c]
mov byte [eax + edx], cl
mov byte [eax + edx + 1], 0
mov eax, dword [ebp - 0x34]
and eax, 3
shl eax, 6
mov dword [ebp - 0x30], eax
jmp case.default.0x4cb3c0
push dword [ebp - 0x4c]
mov byte [ebp - 0x50], 0
push dword [ebp - 0x50]
push ecx
lea ecx, [ebp - 0x2c]
call fcn.00410df0
mov eax, dword [ebp - 0x34]
and eax, 3
shl eax, 6
mov dword [ebp - 0x30], eax
jmp case.default.0x4cb3c0
mov ecx, dword [ebp - 0x30]
mov eax, dword [ebp - 0x1c]
or ecx, edx
mov edx, dword [ebp - 0x18]
mov dword [ebp - 0x30], ecx
mov byte [ebp - 0x54], cl
mov dword [ebp - 0x34], eax
cmp eax, edx
jae 0x4cb4cb
inc eax
cmp edx, 0x10
mov edx, dword [ebp - 0x34]
mov dword [ebp - 0x1c], eax
lea eax, [ebp - 0x2c]
cmovae eax, dword [ebp - 0x2c]
mov byte [eax + edx], cl
mov byte [eax + edx + 1], 0
jmp case.default.0x4cb3c0
push dword [ebp - 0x54]
mov byte [ebp - 0x40], 0
push dword [ebp - 0x40]
push ecx
lea ecx, [ebp - 0x2c]
call fcn.00410df0
mov edx, dword [ebp - 0x3c]
inc edi
mov cl, byte [edx]
inc edx
mov dword [ebp - 0x3c], edx
test cl, cl
jne 0x4cb2f0
mov edx, dword [ebp - 0x38]
movups xmm0, xmmword [ebp - 0x2c]
mov dword [edx], 0
mov eax, edx
mov dword [edx + 0x10], 0
mov dword [edx + 0x14], 0
movups xmmword [edx], xmm0
movq xmm0, qword [ebp - 0x1c]
movq qword [edx + 0x10], xmm0
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.004eedbd
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
push edx
push ecx
call fcn.004ef2cd
add esp, 8
mov eax, dword [ebp - 0x38]
jmp 0x4cb51a
call fcn.0050f570
invalid