Function at 0x4d4280
Capabilities:
Encode data using base64

Disassembly:
push ebp
push ebx
push edi
push esi
push eax
mov eax, dword [ecx]
mov edx, dword [ecx + 4]
sub edx, eax
je 0x4d436c
cmp edx, 2
jb 0x4d436c
cmp byte [eax], 0x64
jne 0x4d436c
movzx edx, byte [eax + 1]
cmp edx, 0x58
je 0x4d4421
cmp edx, 0x78
je 0x4d4378
cmp edx, 0x69
jne 0x4d436c
add eax, 2
mov dword [ecx], eax
mov ebx, ecx
call fcn.004d0150
xor esi, esi
test eax, eax
je 0x4d44d3
mov edi, eax
mov ecx, ebx
call fcn.004d4280
test eax, eax
je 0x4d44d3
mov ebp, dword [ebx + 0x1198]
mov ecx, dword [ebp + 4]
lea edx, [ecx - 0xfd8]
cmp edx, 0xfffff007
ja 0x4d432d
mov esi, eax
push 0x1000
call sub.msvcrt.dll_malloc
add esp, 4
test eax, eax
je 0x4d44dd
mov dword [eax], ebp
mov dword [eax + 4], 0
mov dword [ebx + 0x1198], eax
xor ecx, ecx
mov ebp, eax
mov eax, esi
lea edx, [ecx + 0x20]
mov dword [ebp + 4], edx
lea esi, [ecx + ebp]
add esi, 8
mov byte [ebp + ecx + 0xc], 0x51
and byte [ebp + ecx + 0x10], 0xc0
movzx edx, byte [ebp + ecx + 0x14]
and dl, 0xc0
or dl, 0x15
mov byte [ebp + ecx + 0x14], dl
mov dword [ebp + ecx + 8], 0x4f0fd4
mov dword [ebp + ecx + 0x18], edi
mov dword [ebp + ecx + 0x1c], eax
mov byte [ebp + ecx + 0x20], 0
jmp 0x4d44d3
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
jmp fcn.004d1ba0
add eax, 2
mov dword [ecx], eax
mov ebx, ecx
call fcn.004d1ba0
xor esi, esi
test eax, eax
je 0x4d44d3
mov edi, eax
mov ecx, ebx
call fcn.004d4280
test eax, eax
je 0x4d44d3
mov ebp, dword [ebx + 0x1198]
mov ecx, dword [ebp + 4]
lea edx, [ecx - 0xfd8]
cmp edx, 0xfffff007
ja 0x4d43e2
mov esi, eax
push 0x1000
call sub.msvcrt.dll_malloc
add esp, 4
test eax, eax
je 0x4d44dd
mov dword [eax], ebp
mov dword [eax + 4], 0
mov dword [ebx + 0x1198], eax
xor ecx, ecx
mov ebp, eax
mov eax, esi
lea edx, [ecx + 0x20]
mov dword [ebp + 4], edx
lea esi, [ecx + ebp]
add esi, 8
mov byte [ebp + ecx + 0xc], 0x51
and byte [ebp + ecx + 0x10], 0xc0
movzx edx, byte [ebp + ecx + 0x14]
and dl, 0xc0
or dl, 0x15
mov byte [ebp + ecx + 0x14], dl
mov dword [ebp + ecx + 8], 0x4f0fd4
mov dword [ebp + ecx + 0x18], edi
mov dword [ebp + ecx + 0x1c], eax
mov byte [ebp + ecx + 0x20], 1
jmp 0x4d44d3
add eax, 2
mov dword [ecx], eax
mov ebp, ecx
call fcn.004d1ba0
xor esi, esi
test eax, eax
je 0x4d44d3
mov edi, eax
mov ecx, ebp
call fcn.004d1ba0
test eax, eax
je 0x4d44d3
mov ebx, eax
mov ecx, ebp
call fcn.004d4280
test eax, eax
je 0x4d44d3
mov dword [esp], ebx
mov ebx, dword [ebp + 0x1198]
mov ecx, dword [ebx + 4]
lea edx, [ecx - 0xfd8]
cmp edx, 0xfffff007
ja 0x4d4497
mov esi, eax
push 0x1000
call sub.msvcrt.dll_malloc
add esp, 4
test eax, eax
je 0x4d44dd
mov dword [eax], ebx
mov dword [eax + 4], 0
mov dword [ebp + 0x1198], eax
xor ecx, ecx
mov ebx, eax
mov eax, esi
lea edx, [ecx + 0x20]
mov dword [ebx + 4], edx
lea esi, [ebx + ecx]
add esi, 8
mov byte [ebx + ecx + 0xc], 0x52
and byte [ebx + ecx + 0x10], 0xc0
movzx edx, byte [ebx + ecx + 0x14]
and dl, 0xc0
or dl, 0x15
mov byte [ebx + ecx + 0x14], dl
mov dword [ebx + ecx + 8], 0x4f1040
mov dword [ebx + ecx + 0x18], edi
mov edx, dword [esp]
mov dword [ebx + ecx + 0x1c], edx
mov dword [ebx + ecx + 0x20], eax
mov eax, esi
add esp, 4
pop esi
pop edi
pop ebx
pop ebp
ret
call fcn.004b8a80
int3