Function at 0x401200
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x44ab7e
mov eax, dword fs:[0]
push eax
sub esp, 0x54
push esi
push edi
mov eax, dword [0x461020]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, edx
mov dword [ebp - 0x2c], edi
mov esi, ecx
mov dword [ebp - 0x34], esi
mov ecx, dword [ebp + 8]
mov eax, 0xaaaaaaab
mov dword [ebp - 0x60], esi
xorps xmm0, xmm0
mov dword [ebp - 0x38], 0
movups xmmword [esi], xmm0
lea ecx, [ecx + 2]
mov dword [esi + 0x10], 0
mul ecx
mov eax, dword [str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov dword [esi + 0x14], 0
shr edx, 1
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 0xf
shl edx, 2
mov dword [ebp - 0x28], eax
mov byte [esi], 0
mov dword [ebp - 4], 0
mov ecx, esi
push edx
mov dword [ebp - 0x38], 1
call fcn.004015c0
mov eax, dword [ebp + 8]
test eax, eax
je 0x40152c
mov ecx, 1
mov dword [ebp - 0x30], 1
sub ecx, dword [ebp - 0x2c]
inc edi
mov dword [ebp - 0x44], ecx
lea ecx, [eax - 1]
mov eax, 0xaaaaaaab
mul ecx
mov eax, edx
shr eax, 1
inc eax
mov dword [ebp - 0x2c], eax
movzx eax, byte [edi - 1]
mov ecx, dword [ebp - 0x28]
mov edx, dword [esi + 0x14]
shr eax, 2
mov al, byte [eax + ecx]
mov ecx, dword [esi + 0x10]
mov byte [ebp - 0x10], al
cmp ecx, edx
jae 0x4012f6
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x4012e9
mov eax, dword [esi]
add eax, ecx
mov cl, byte [ebp - 0x10]
mov byte [eax + 1], 0
mov byte [eax], cl
jmp 0x401309
push dword [ebp - 0x10]
mov byte [ebp - 0x3c], 0
mov ecx, esi
push dword [ebp - 0x3c]
push 1
call fcn.00401ef0
mov ecx, dword [ebp + 8]
mov al, byte [edi - 1]
mov edx, dword [esi + 0x14]
cmp dword [ebp - 0x30], ecx
jae 0x40146e
movzx ecx, al
movzx eax, byte [edi]
and ecx, 3
shl ecx, 4
add ecx, dword [ebp - 0x28]
shr eax, 4
mov al, byte [eax + ecx]
mov ecx, dword [esi + 0x10]
mov byte [ebp - 0x14], al
cmp ecx, edx
jae 0x401356
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x401349
mov eax, dword [esi]
add eax, ecx
mov cl, byte [ebp - 0x14]
mov byte [eax + 1], 0
mov byte [eax], cl
jmp 0x401369
push dword [ebp - 0x14]
mov byte [ebp - 0x40], 0
mov ecx, esi
push dword [ebp - 0x40]
push 1
call fcn.00401ef0
movzx ecx, byte [edi]
mov eax, dword [ebp - 0x44]
and ecx, 0xf
mov edx, dword [esi + 0x14]
add eax, edi
shl ecx, 2
cmp eax, dword [ebp + 8]
jae 0x401413
movzx eax, byte [edi + 1]
shr eax, 6
add eax, ecx
mov ecx, dword [ebp - 0x28]
mov al, byte [eax + ecx]
mov ecx, dword [esi + 0x10]
mov byte [ebp - 0x18], al
cmp ecx, edx
jae 0x4013b8
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x4013ab
mov eax, dword [esi]
add eax, ecx
mov cl, byte [ebp - 0x18]
mov byte [eax + 1], 0
mov byte [eax], cl
jmp 0x4013cb
push dword [ebp - 0x18]
mov byte [ebp - 0x48], 0
mov ecx, esi
push dword [ebp - 0x48]
push 1
call fcn.00401ef0
movzx eax, byte [edi + 1]
mov ecx, dword [ebp - 0x28]
and eax, 0x3f
mov edx, dword [esi + 0x14]
mov al, byte [eax + ecx]
mov ecx, dword [esi + 0x10]
mov byte [ebp - 0x1c], al
cmp ecx, edx
jae 0x401404
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x4013f4
mov eax, dword [esi]
add eax, ecx
mov cl, byte [ebp - 0x1c]
mov byte [eax + 1], 0
mov byte [eax], cl
jmp 0x40151b
push dword [ebp - 0x1c]
mov byte [ebp - 0x4c], 0
push dword [ebp - 0x4c]
jmp 0x401512
mov eax, dword [ebp - 0x28]
mov al, byte [ecx + eax]
mov ecx, dword [esi + 0x10]
mov byte [ebp - 0x20], al
cmp ecx, edx
jae 0x40143f
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x401432
mov eax, dword [esi]
add eax, ecx
mov cl, byte [ebp - 0x20]
mov byte [eax + 1], 0
mov byte [eax], cl
jmp 0x401452
push dword [ebp - 0x20]
mov byte [ebp - 0x50], 0
mov ecx, esi
push dword [ebp - 0x50]
push 1
call fcn.00401ef0
mov ecx, dword [esi + 0x10]
mov edx, dword [esi + 0x14]
cmp ecx, edx
jb 0x4014f2
mov byte [ebp - 0x54], 0
push 0x3d
push dword [ebp - 0x54]
jmp 0x401512
mov ecx, dword [ebp - 0x28]
movzx eax, al
and eax, 3
add eax, eax
mov al, byte [ecx + eax*8]
mov ecx, dword [esi + 0x10]
mov byte [ebp - 0x24], al
cmp ecx, edx
jae 0x4014a2
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x401495
mov eax, dword [esi]
add eax, ecx
mov cl, byte [ebp - 0x24]
mov byte [eax + 1], 0
mov byte [eax], cl
jmp 0x4014b5
push dword [ebp - 0x24]
mov byte [ebp - 0x58], 0
mov ecx, esi
push dword [ebp - 0x58]
push 1
call fcn.00401ef0
mov ecx, dword [esi + 0x10]
mov edx, dword [esi + 0x14]
cmp ecx, edx
jae 0x4014d6
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x4014ce
mov eax, dword [esi]
mov word [eax + ecx], 0x3d
jmp 0x4014e8
push 0x3d
mov byte [ebp - 0x5c], 0
mov ecx, esi
push dword [ebp - 0x5c]
push 1
call fcn.00401ef0
mov ecx, dword [esi + 0x10]
mov edx, dword [esi + 0x14]
cmp ecx, edx
jae 0x401509
lea eax, [ecx + 1]
mov dword [esi + 0x10], eax
mov eax, esi
cmp edx, 0x10
jb 0x401501
mov eax, dword [esi]
mov word [eax + ecx], 0x3d
jmp 0x40151b
mov byte [ebp - 0x34], 0
push 0x3d
push dword [ebp - 0x34]
push 1
mov ecx, esi
call fcn.00401ef0
add dword [ebp - 0x30], 3
add edi, 3
sub dword [ebp - 0x2c], 1
jne 0x4012c0
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov esp, ebp
pop ebp
ret