Function at 0x405820
Capabilities:
Encode data using base64

Disassembly:
push 0xffffffffffffffff
push 0x48f849
mov eax, dword fs:[0]
push eax
sub esp, 0x14
push ebx
push ebp
push edi
mov eax, dword [0x4af5e0]
xor eax, esp
push eax
lea eax, [esp + 0x24]
mov dword fs:[0], eax
xor edi, edi
mov dword [esp + 0x1c], edi
mov dword [esi + 0x18], 0xf
mov dword [esi + 0x14], edi
mov dword [esp + 0x20], esi
mov byte [esi + 4], 0
xor ebp, ebp
mov dword [esp + 0x2c], edi
mov dword [esp + 0x1c], 1
cmp dword [esp + 0x38], edi
je 0x405b66
mov eax, dword [esp + 0x34]
mov cl, byte [eax]
dec dword [esp + 0x38]
mov byte [esp + ebp + 0x10], cl
inc ebp
inc eax
mov dword [esp + 0x34], eax
cmp ebp, 3
jne 0x405999
mov al, byte [esp + 0x10]
mov dl, al
shr dl, 2
mov cl, al
mov al, byte [esp + 0x11]
and cl, 3
mov byte [esp + 0x14], dl
shl cl, 4
mov dl, al
shr dl, 4
add cl, dl
mov byte [esp + 0x15], cl
mov cl, al
mov al, byte [esp + 0x12]
and cl, 0xf
add cl, cl
mov dl, al
add cl, cl
shr dl, 6
add cl, dl
and al, 0x3f
xor ebp, ebp
mov byte [esp + 0x16], cl
mov byte [esp + 0x17], al
mov dword [esp + 0x18], ebp
jmp 0x4058e0
movzx edi, byte [esp + ebp + 0x14]
cmp edi, dword [0x4b2970]
jbe 0x4058f2
call fcn.0045f2db
cmp dword [0x4b2974], 0x10
mov eax, dword [0x4b2960]
jae 0x405905
mov eax, 0x4b2960
mov bl, byte [eax + edi]
or eax, 0xffffffff
sub eax, dword [esi + 0x14]
cmp eax, 1
ja 0x405918
call fcn.0045ef2d
mov edi, dword [esi + 0x14]
inc edi
cmp edi, 0xfffffffe
jbe 0x405926
call fcn.0045ef2d
mov eax, dword [esi + 0x18]
cmp eax, edi
jae 0x40594e
mov ecx, dword [esi + 0x14]
push ecx
push edi
mov ecx, esi
call fcn.004032d0
test edi, edi
jbe 0x405987
cmp dword [esi + 0x18], 0x10
mov ecx, dword [esi + 0x14]
lea ebp, [esi + 4]
jb 0x40596a
mov eax, dword [ebp]
jmp 0x40596c
test edi, edi
jne 0x40593b
mov dword [esi + 0x14], edi
cmp eax, 0x10
jb 0x405962
mov eax, dword [esi + 4]
mov byte [eax], 0
jmp 0x405987
lea eax, [esi + 4]
mov byte [eax], 0
jmp 0x405987
mov eax, ebp
mov byte [eax + ecx], bl
cmp dword [esi + 0x18], 0x10
mov dword [esi + 0x14], edi
jb 0x40597d
mov eax, dword [ebp]
jmp 0x40597f
mov eax, ebp
mov ebp, dword [esp + 0x18]
mov byte [eax + edi], 0
inc ebp
cmp ebp, 4
mov dword [esp + 0x18], ebp
jl 0x4058e0
xor ebp, ebp
xor edi, edi
cmp dword [esp + 0x38], edi
jne 0x405876
cmp ebp, edi
je 0x405b66
cmp ebp, 3
jge 0x4059c6
mov edx, 3
sub edx, ebp
push edx
lea eax, [esp + ebp + 0x14]
push edi
push eax
call fcn.0045feb0
add esp, 0xc
mov cl, byte [esp + 0x10]
mov al, cl
shr al, 2
mov byte [esp + 0x14], al
mov al, byte [esp + 0x11]
mov dl, al
and cl, 3
shl cl, 4
shr dl, 4
add cl, dl
and al, 0xf
mov byte [esp + 0x15], cl
mov cl, byte [esp + 0x12]
add al, al
mov dl, cl
add al, al
shr dl, 6
add al, dl
mov byte [esp + 0x16], al
and cl, 0x3f
lea eax, [ebp + 1]
cmp eax, edi
mov byte [esp + 0x17], cl
mov dword [esp + 0x10], edi
jle 0x405ad0
mov eax, dword [esp + 0x10]
movzx edi, byte [esp + eax + 0x14]
cmp edi, dword [0x4b2970]
jbe 0x405a29
call fcn.0045f2db
cmp dword [0x4b2974], 0x10
mov eax, dword [0x4b2960]
jae 0x405a3c
mov eax, 0x4b2960
mov bl, byte [eax + edi]
or ecx, 0xffffffff
sub ecx, dword [esi + 0x14]
cmp ecx, 1
ja 0x405a4f
call fcn.0045ef2d
mov edi, dword [esi + 0x14]
inc edi
cmp edi, 0xfffffffe
jbe 0x405a5d
call fcn.0045ef2d
mov eax, dword [esi + 0x18]
cmp eax, edi
jae 0x405a86
mov edx, dword [esi + 0x14]
push edx
push edi
mov ecx, esi
call fcn.004032d0
test edi, edi
jbe 0x405abc
mov ecx, dword [esi + 0x14]
mov edx, 0x10
cmp dword [esi + 0x18], edx
jb 0x405aa2
mov eax, dword [esi + 4]
jmp 0x405aa5
test edi, edi
jne 0x405a72
mov dword [esi + 0x14], edi
cmp eax, 0x10
jb 0x405a9a
mov eax, dword [esi + 4]
mov byte [eax], 0
jmp 0x405abc
lea eax, [esi + 4]
mov byte [eax], 0
jmp 0x405abc
lea eax, [esi + 4]
mov byte [eax + ecx], bl
mov dword [esi + 0x14], edi
cmp dword [esi + 0x18], edx
jb 0x405ab5
mov eax, dword [esi + 4]
jmp 0x405ab8
lea eax, [esi + 4]
mov byte [eax + edi], 0
mov eax, dword [esp + 0x10]
inc eax
lea ecx, [ebp + 1]
cmp eax, ecx
mov dword [esp + 0x10], eax
jl 0x405a13
cmp ebp, 3
jge 0x405b66
mov ebx, 3
sub ebx, ebp
or eax, 0xffffffff
sub eax, dword [esi + 0x14]
cmp eax, 1
ja 0x405af0
call fcn.0045ef2d
mov edi, dword [esi + 0x14]
inc edi
cmp edi, 0xfffffffe
jbe 0x405afe
call fcn.0045ef2d
mov eax, dword [esi + 0x18]
cmp eax, edi
jae 0x405b29
mov ecx, dword [esi + 0x14]
push ecx
push edi
mov ecx, esi
call fcn.004032d0
test edi, edi
jbe 0x405b5d
mov ecx, dword [esi + 0x14]
mov ebp, 0x10
lea edx, [esi + 4]
cmp dword [esi + 0x18], ebp
jb 0x405b45
mov eax, dword [edx]
jmp 0x405b47
test edi, edi
jne 0x405b13
mov dword [esi + 0x14], edi
cmp eax, 0x10
jb 0x405b3d
mov eax, dword [esi + 4]
mov byte [eax], 0
jmp 0x405b5d
lea eax, [esi + 4]
mov byte [eax], 0
jmp 0x405b5d
mov eax, edx
mov byte [eax + ecx], 0x3d
mov dword [esi + 0x14], edi
cmp dword [esi + 0x18], ebp
jb 0x405b57
mov eax, dword [edx]
jmp 0x405b59
mov eax, edx
mov byte [eax + edi], 0
sub ebx, 1
jne 0x405ae0
mov eax, esi
mov ecx, dword [esp + 0x24]
mov dword fs:[0], ecx
pop ecx
pop edi
pop ebp
pop ebx
add esp, 0x20
ret