Function at 0x403c70
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x81fcf8
mov eax, dword fs:[0]
push eax
sub esp, 0x38
mov eax, dword [0x93bf44]
xor eax, ebp
mov dword [ebp - 0x14], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, edx
mov dword [ebp - 0x34], ebx
mov esi, ecx
mov eax, dword [esi + 0x10]
mov dword [ebp - 0x38], eax
cmp eax, 4
jb 0x403f31
test al, 3
jne 0x403f31
cmp byte [0x181cb80], 0
jne 0x403d3e
push 0x100
push 0xffffffffffffffff
push 0x181ce70
call fcn.006ce550
add esp, 0xc
mov ecx, 0x41
nop dword [eax + eax]
lea eax, [ecx - 0x41]
mov byte [ecx + 0x181ce70], al
inc ecx
cmp ecx, 0x5a
jle 0x403ce0
mov ecx, 0x61
lea eax, [ecx - 0x47]
mov byte [ecx + 0x181ce70], al
inc ecx
cmp ecx, 0x7a
jle 0x403cf4
mov ecx, 0x30
nop dword [eax + eax]
lea eax, [ecx + 4]
mov byte [ecx + 0x181ce70], al
inc ecx
cmp ecx, 0x39
jle 0x403d10
mov eax, dword [ebp - 0x38]
mov byte [0x181ce9b], 0x3e
mov byte [0x181ce9f], 0x3f
mov byte [0x181cead], 0
mov byte [0x181cb80], 1
lea edi, [eax + eax*2]
mov dword [ebp - 0x1c], 0
shr edi, 2
mov dword [ebp - 0x40], edi
mov dword [ebp - 0x18], 0xf
mov byte [ebp - 0x2c], 0
mov dword [ebp - 4], 0
test edi, edi
jne 0x403d6e
mov dword [ebp - 0x1c], edi
mov byte [ebp + edi - 0x2c], 0
jmp 0x403d79
push 0
push edi
lea ecx, [ebp - 0x2c]
call fcn.00404080
mov eax, 0xaaaaaaab
mov dword [ebp - 0x30], 0
mul edi
mov eax, edx
shr eax, 1
mov dword [ebp - 0x3c], eax
je 0x403e7d
xor ebx, ebx
mov edi, eax
cmp dword [esi + 0x14], 0x10
mov edx, esi
jb 0x403da2
mov edx, dword [esi]
mov ecx, esi
jb 0x403da8
mov ecx, dword [esi]
mov eax, dword [ebp - 0x30]
movsx eax, byte [ecx + eax*4 + 1]
mov cl, byte [eax + 0x181ce70]
mov eax, dword [ebp - 0x30]
sar cl, 4
and cl, 3
movsx eax, byte [edx + eax*4]
mov edx, esi
mov al, byte [eax + 0x181ce70]
shl al, 2
or cl, al
cmp dword [ebp - 0x18], 0x10
lea eax, [ebp - 0x2c]
cmovae eax, dword [ebp - 0x2c]
mov byte [ebx + eax], cl
cmp dword [esi + 0x14], 0x10
jb 0x403de6
mov edx, dword [esi]
mov eax, esi
jb 0x403dec
mov eax, dword [esi]
mov ecx, dword [ebp - 0x30]
movsx eax, byte [eax + ecx*4 + 2]
mov cl, byte [eax + 0x181ce70]
mov eax, dword [ebp - 0x30]
sar cl, 2
and cl, 0xf
movsx eax, byte [edx + eax*4 + 1]
mov edx, esi
mov al, byte [eax + 0x181ce70]
shl al, 4
or cl, al
cmp dword [ebp - 0x18], 0x10
lea eax, [ebp - 0x2c]
cmovae eax, dword [ebp - 0x2c]
mov byte [ebx + eax + 1], cl
cmp dword [esi + 0x14], 0x10
jb 0x403e2c
mov edx, dword [esi]
mov eax, esi
jb 0x403e32
mov eax, dword [esi]
mov ecx, dword [ebp - 0x30]
movsx eax, byte [eax + ecx*4 + 3]
mov cl, byte [eax + 0x181ce70]
mov eax, dword [ebp - 0x30]
and cl, 0x3f
movsx eax, byte [edx + eax*4 + 2]
mov al, byte [eax + 0x181ce70]
shl al, 6
or cl, al
cmp dword [ebp - 0x18], 0x10
lea eax, [ebp - 0x2c]
cmovae eax, dword [ebp - 0x2c]
mov byte [ebx + eax + 2], cl
add ebx, 3
mov ecx, dword [ebp - 0x30]
inc ecx
mov dword [ebp - 0x30], ecx
cmp ecx, edi
jb 0x403d98
mov edi, dword [ebp - 0x40]
mov ebx, dword [ebp - 0x34]
mov ecx, dword [esi + 0x14]
mov eax, esi
cmp ecx, 0x10
jb 0x403e89
mov eax, dword [esi]
mov edx, dword [ebp - 0x38]
cmp byte [eax + edx - 1], 0x3d
jne 0x403ea3
dec edi
cmp ecx, 0x10
jb 0x403e9b
mov esi, dword [esi]
cmp byte [esi + edx - 2], 0x3d
jne 0x403ea3
dec edi
cmp dword [ebp - 0x18], 0x10
lea edx, [ebp - 0x2c]
mov eax, ebx
cmovae edx, dword [ebp - 0x2c]
cmp dword [ebx + 0x14], 0x10
jb 0x403eb8
mov eax, dword [ebx]
mov dword [ebx + 0x10], 0
mov byte [eax], 0
mov eax, ebx
mov ecx, dword [ebx + 0x14]
cmp ecx, 0x10
jb 0x403ece
mov eax, dword [ebx]
mov esi, dword [ebx + 0x10]
add esi, eax
mov eax, ebx
cmp ecx, 0x10
jb 0x403edc
mov eax, dword [ebx]
add eax, dword [ebx + 0x10]
sub esi, eax
mov dword [ebp - 0x34], ebx
cmp ecx, 0x10
jb 0x403eed
mov ecx, dword [ebx]
jmp 0x403ef0
mov ecx, dword [ebp - 0x34]
push edi
push edx
sub eax, ecx
mov ecx, ebx
push esi
push eax
call fcn.004043c0
mov edx, dword [ebp - 0x18]
cmp edx, 0x10
jb 0x403f2d
mov ecx, dword [ebp - 0x2c]
inc edx
mov eax, ecx
cmp edx, 0x1000
jb 0x403f23
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x403f4f
push edx
push ecx
call fcn.005c2556
add esp, 8
mov al, 1
jmp 0x403f33
xor al, al
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x14]
xor ecx, ebp
call fcn.005c234a
mov esp, ebp
pop ebp
ret
call fcn.006d14a9
int3