Function at 0x509ba0
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x670349
mov eax, dword fs:[0]
push eax
sub esp, 0x1c
push ebx
push esi
push edi
mov eax, dword [0x704034]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x24], 0
mov dword [edi + 0x10], 0
mov dword [edi + 0x14], 0
mov dword [edi + 0x14], 0xf
cmp dword [edi + 0x14], 0x10
mov dword [ebp - 0x28], edi
mov dword [edi + 0x10], 0
jb 0x509bfd
mov eax, dword [edi]
jmp 0x509bff
mov eax, edi
mov byte [eax], 0
mov eax, dword [ebp + 8]
xor ebx, ebx
mov dword [ebp - 4], 0
mov dword [ebp - 0x24], 1
test eax, eax
je 0x509ed5
nop dword [eax]
dec eax
mov dword [ebp + 8], eax
mov al, byte [edx]
inc edx
mov byte [ebp + ebx - 0x14], al
inc ebx
mov ah, byte [ebp - 0x12]
mov ch, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov dword [ebp - 0x20], edx
mov byte [ebp - 0xd], ah
mov byte [ebp - 0x1a], ch
mov byte [ebp - 0x1b], cl
cmp ebx, 3
jne 0x509d24
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, ch
shl cl, 4
shr al, 4
add cl, al
mov al, ah
mov byte [ebp - 0x17], cl
mov cl, ch
and cl, 0xf
shr al, 6
shl cl, 2
add cl, al
mov al, ah
and al, 0x3f
mov byte [ebp - 0x16], cl
mov byte [ebp - 0x15], al
xor ebx, ebx
nop dword [eax]
cmp dword [0x716d90], 0x10
mov eax, 0x716d7c
movzx ecx, byte [ebp + ebx - 0x18]
cmovae eax, dword [0x716d7c]
mov dl, byte [eax + ecx]
mov ecx, dword [edi + 0x10]
mov eax, ecx
not eax
mov byte [ebp - 0x19], dl
cmp eax, 1
jbe 0x509d59
lea esi, [ecx + 1]
cmp esi, 0xfffffffe
ja 0x509d59
cmp dword [edi + 0x14], esi
jae 0x509cdc
push ecx
push esi
mov ecx, edi
call fcn.004294c1
mov dl, byte [ebp - 0x19]
test esi, esi
je 0x509d0f
cmp dword [edi + 0x14], 0x10
mov ecx, dword [edi + 0x10]
jb 0x509cf7
mov eax, dword [edi]
jmp 0x509cf9
test esi, esi
jne 0x509ccf
mov dword [edi + 0x10], esi
cmp dword [edi + 0x14], 0x10
jb 0x509cf0
mov eax, dword [edi]
mov byte [eax], 0
jmp 0x509d0f
mov eax, edi
mov byte [eax], 0
jmp 0x509d0f
mov eax, edi
mov byte [eax + ecx], dl
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], esi
jb 0x509d09
mov eax, dword [edi]
jmp 0x509d0b
mov eax, edi
mov byte [eax + esi], 0
inc ebx
cmp ebx, 4
jl 0x509c80
mov edx, dword [ebp - 0x20]
xor ebx, ebx
mov ch, byte [ebp - 0x1a]
mov cl, byte [ebp - 0x1b]
mov eax, dword [ebp + 8]
test eax, eax
jne 0x509c20
test ebx, ebx
je 0x509ed5
mov eax, ebx
cmp ebx, 3
jge 0x509d68
cmp eax, 3
jae 0x509d63
mov byte [ebp + eax - 0x14], 0
inc eax
cmp eax, 3
jl 0x509d41
mov dl, byte [ebp - 0x12]
mov ch, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
jmp 0x509d6b
push str.string_too_long
call fcn.0060aa96
call fcn.00620ce2
mov dl, byte [ebp - 0xd]
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, ch
shr al, 4
and ch, 0xf
shl cl, 4
add cl, al
shl ch, 2
mov al, dl
mov byte [ebp - 0x17], cl
shr al, 6
and dl, 0x3f
add ch, al
mov byte [ebp - 0x15], dl
xor edx, edx
mov byte [ebp - 0x16], ch
lea eax, [ebx + 1]
mov dword [ebp - 0x14], edx
test eax, eax
jle 0x509e54
nop dword [eax]
cmp dword [0x716d90], 0x10
mov eax, 0x716d7c
movzx ecx, byte [ebp + edx - 0x18]
cmovae eax, dword [0x716d7c]
mov al, byte [eax + ecx]
mov ecx, dword [edi + 0x10]
mov byte [ebp - 0xd], al
mov eax, ecx
not eax
cmp eax, 1
jbe 0x509d59
lea esi, [ecx + 1]
cmp esi, 0xfffffffe
ja 0x509d59
cmp dword [edi + 0x14], esi
jae 0x509e0c
push ecx
push esi
mov ecx, edi
call fcn.004294c1
mov edx, dword [ebp - 0x14]
test esi, esi
je 0x509e45
cmp dword [edi + 0x14], 0x10
mov ecx, dword [edi + 0x10]
jb 0x509e27
mov eax, dword [edi]
jmp 0x509e29
test esi, esi
jne 0x509dff
mov dword [edi + 0x10], esi
cmp dword [edi + 0x14], 0x10
jb 0x509e20
mov eax, dword [edi]
mov byte [eax], 0
jmp 0x509e45
mov eax, edi
mov byte [eax], 0
jmp 0x509e45
mov eax, edi
mov dl, byte [ebp - 0xd]
mov byte [ecx + eax], dl
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], esi
jb 0x509e3c
mov eax, dword [edi]
jmp 0x509e3e
mov eax, edi
mov edx, dword [ebp - 0x14]
mov byte [esi + eax], 0
inc edx
lea eax, [ebx + 1]
mov dword [ebp - 0x14], edx
cmp edx, eax
jl 0x509db0
cmp ebx, 3
jge 0x509ed5
nop dword [eax]
mov ecx, dword [edi + 0x10]
inc ebx
mov eax, ecx
not eax
cmp eax, 1
jbe 0x509d59
lea esi, [ecx + 1]
cmp esi, 0xfffffffe
ja 0x509d59
cmp dword [edi + 0x14], esi
jae 0x509e9c
push ecx
push esi
mov ecx, edi
call fcn.004294c1
test esi, esi
je 0x509ed0
cmp dword [edi + 0x14], 0x10
mov ecx, dword [edi + 0x10]
jb 0x509eb7
mov eax, dword [edi]
jmp 0x509eb9
test esi, esi
jne 0x509e8f
mov dword [edi + 0x10], esi
cmp dword [edi + 0x14], 0x10
jb 0x509eb0
mov eax, dword [edi]
mov byte [eax], 0
jmp 0x509ed0
mov eax, edi
mov byte [eax], 0
jmp 0x509ed0
mov eax, edi
mov byte [ecx + eax], 0x3d
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], esi
jb 0x509eca
mov eax, dword [edi]
jmp 0x509ecc
mov eax, edi
mov byte [eax + esi], 0
cmp ebx, 3
jl 0x509e60
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret