Function at 0x4dc1b8
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
add esp, 0xffffffe0
mov dword [ebp - 0xc], ecx
mov dword [ebp - 8], edx
mov dword [ebp - 4], eax
cmp dword [ebp - 8], 0
je 0x4dc334
mov eax, dword [ebp - 4]
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x20], eax
mov eax, dword [ebp - 8]
mov ecx, 3
xor edx, edx
div ecx
lea eax, [eax + eax*2]
mov dword [ebp - 0x18], eax
mov eax, dword [ebp - 0x1c]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp - 0x18]
add dword [ebp - 0x14], eax
jmp 0x4dc27a
mov eax, dword [ebp - 0x1c]
movzx eax, byte [eax]
mov dword [ebp - 0x10], eax
shl dword [ebp - 0x10], 8
mov eax, dword [ebp - 0x1c]
movzx eax, byte [eax + 1]
or dword [ebp - 0x10], eax
shl dword [ebp - 0x10], 8
mov eax, dword [ebp - 0x1c]
movzx eax, byte [eax + 2]
or dword [ebp - 0x10], eax
add dword [ebp - 0x1c], 3
mov eax, dword [ebp - 0x10]
and eax, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx + 3], al
shr dword [ebp - 0x10], 6
mov eax, dword [ebp - 0x10]
and eax, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx + 2], al
shr dword [ebp - 0x10], 6
mov eax, dword [ebp - 0x10]
and eax, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx + 1], al
shr dword [ebp - 0x10], 6
mov eax, dword [ebp - 0x10]
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx], al
add dword [ebp - 0x20], 4
mov eax, dword [ebp - 0x1c]
cmp eax, dword [ebp - 0x14]
jb 0x4dc1fd
mov eax, dword [ebp - 8]
sub eax, dword [ebp - 0x18]
dec eax
je 0x4dc297
dec eax
je 0x4dc2d8
jmp 0x4dc334
mov eax, dword [ebp - 0x1c]
movzx eax, byte [eax]
mov dword [ebp - 0x10], eax
shl dword [ebp - 0x10], 4
mov eax, dword [ebp - 0x10]
and eax, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx + 1], al
shr dword [ebp - 0x10], 6
mov eax, dword [ebp - 0x10]
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx], al
mov eax, dword [ebp - 0x20]
mov byte [eax + 2], 0x3d
mov eax, dword [ebp - 0x20]
mov byte [eax + 3], 0x3d
jmp 0x4dc334
mov eax, dword [ebp - 0x1c]
movzx eax, byte [eax]
mov dword [ebp - 0x10], eax
shl dword [ebp - 0x10], 8
mov eax, dword [ebp - 0x1c]
movzx eax, byte [eax + 1]
or dword [ebp - 0x10], eax
shl dword [ebp - 0x10], 2
mov eax, dword [ebp - 0x10]
and eax, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx + 2], al
shr dword [ebp - 0x10], 6
mov eax, dword [ebp - 0x10]
and eax, 0x3f
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx + 1], al
shr dword [ebp - 0x10], 6
mov eax, dword [ebp - 0x10]
mov al, byte [eax + str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_]
mov edx, dword [ebp - 0x20]
mov byte [edx], al
mov eax, dword [ebp - 0x20]
mov byte [eax + 3], 0x3d
mov esp, ebp
pop ebp
ret