Function at 0x490600
Capabilities:
Encode data using base64

Disassembly:
cmp rsp, qword [r14 + 0x10]
jbe 0x490c4a
add rsp, 0xffffffffffffff80
mov qword [rsp + 0x78], rbp
lea rbp, [rsp + 0x78]
mov qword [rsp + 0x88], rax
mov rdx, qword [r11]
add rdx, 0xffffffffffffffc4
neg rdx
cmp rdx, 0x40
sbb r11, r11
test r9, r9
mov r12d, 0
cmove r10, r12
mov r12, rcx
mov rcx, rdx
shl r9, cl
and r9, r11
jmp 0x490652
shl r9, 1
dec r10
test r9, r9
je 0x490660
bt r9, 0x3c
jae 0x49064c
nop
cmp rdi, 0xf
jae 0x4906da
mov rcx, rdi
shl rcx, 2
cmp rcx, 0x40
sbb rdx, rdx
lea r11, [rcx - 0x3c]
neg r11
cmp r11, 0x40
sbb r13, r13
mov r15, r9
shl r9, cl
and r9, rdx
movabs rdx, 0xfffffffffffffff
and rdx, r9
mov rcx, r11
shr r15, cl
and r15, r13
mov r9, r15
and r15d, 1
or rdx, r15
movabs r15, 0x800000000000000
cmp r15, rdx
jae 0x4906c2
lea r15, [r9 + 1]
nop
jmp 0x4906c5
mov r15, r9
shl r15, cl
and r15, r13
bt r15, 0x3d
jae 0x4906e0
shr r15, 1
inc r10
jmp 0x4906e0
mov r15, r9
nop dword [rax]
cmp sil, 0x58
jne 0x4906ef
lea rcx, [0x004ecd71]
jmp 0x4906f6
lea rcx, [0x004ecd81]
mov qword [rsp + 0xa0], rdi
mov byte [rsp + 0xa8], sil
mov qword [rsp + 0x68], r10
mov qword [rsp + 0x70], rcx
mov qword [rsp + 0x60], r15
test r8b, r8b
je 0x490760
inc rbx
nop dword [rax]
cmp r12, rbx
jae 0x49075b
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
movzx esi, byte [rsp + 0xa8]
mov rdi, qword [rsp + 0xa0]
mov r10, qword [rsp + 0x68]
mov r15, qword [rsp + 0x60]
mov r12, rcx
mov rcx, qword [rsp + 0x70]
mov byte [rbx + rax - 1], 0x2d
add rbx, 3
cmp r12, rbx
jae 0x49079f
mov rcx, r12
mov edi, 3
lea rsi, [0x004d2680]
call fcn.00448f80
movzx esi, byte [rsp + 0xa8]
mov rdi, qword [rsp + 0xa0]
mov r10, qword [rsp + 0x68]
mov r15, qword [rsp + 0x60]
mov r12, rcx
mov rcx, qword [rsp + 0x70]
mov byte [rbx + rax - 3], 0x30
mov byte [rbx + rax - 2], sil
mov rdx, r15
shr r15, 0x3c
and r15d, 1
lea r8d, [r15 + 0x30]
mov byte [rbx + rax - 1], r8b
shl rdx, 4
mov qword [rsp + 0x60], rdx
test rdi, rdi
jge 0x490813
test rdx, rdx
je 0x490810
inc rbx
cmp r12, rbx
jae 0x490806
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
mov rdx, qword [rsp + 0x60]
movzx esi, byte [rsp + 0xa8]
mov r10, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x70]
mov byte [rbx + rax - 1], 0x2e
jmp 0x490bed
test rdi, rdi
jle 0x490865
inc rbx
cmp r12, rbx
jae 0x490853
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
mov rdx, qword [rsp + 0x60]
movzx esi, byte [rsp + 0xa8]
mov rdi, qword [rsp + 0xa0]
mov r10, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x70]
mov byte [rbx + rax - 1], 0x2e
xor r8d, r8d
nop dword [rax + rax]
jmp 0x490b71
mov edx, esi
or esi, 0x20
cmp dl, sil
jne 0x490876
mov ecx, 0x70
jmp 0x49087b
mov ecx, 0x50
inc rbx
nop
cmp r12, rbx
jae 0x4908aa
mov byte [rsp + 0x45], cl
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
mov r10, qword [rsp + 0x68]
mov r12, rcx
movzx ecx, byte [rsp + 0x45]
mov byte [rbx + rax - 1], cl
test r10, r10
jge 0x4908bd
neg r10
mov ecx, 0x2d
jmp 0x4908c2
mov ecx, 0x2b
mov qword [rsp + 0x68], r10
inc rbx
cmp r12, rbx
jae 0x4908f4
mov byte [rsp + 0x45], cl
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
mov r10, qword [rsp + 0x68]
mov r12, rcx
movzx ecx, byte [rsp + 0x45]
mov byte [rbx + rax - 1], cl
nop dword [rax + rax]
cmp r10, 0x64
jge 0x490985
add rbx, 2
mov rcx, rax
movabs rax, 0xcccccccccccccccd
imul r10
add rdx, r10
sar rdx, 3
mov r8, r10
sar r10, 0x3f
sub rdx, r10
lea r9, [rdx + rdx*4]
shl r9, 1
sub r8, r9
cmp r12, rbx
jae 0x49096f
mov qword [rsp + 0x68], rdx
mov qword [rsp + 0x58], r8
mov rax, rcx
mov rcx, r12
mov edi, 2
lea rsi, [0x004d2680]
call fcn.00448f80
mov rdx, qword [rsp + 0x68]
mov r8, qword [rsp + 0x58]
mov r12, rcx
mov rcx, rax
add edx, 0x30
mov byte [rbx + rcx - 2], dl
lea edx, [r8 + 0x30]
mov byte [rbx + rcx - 1], dl
nop
jmp 0x490b53
cmp r10, 0x3e8
jge 0x490a59
add rbx, 3
mov rcx, rax
movabs rax, 0xa3d70a3d70a3d70b
imul r10
add rdx, r10
movabs rax, 0xcccccccccccccccd
mov rsi, rdx
imul r10
add rdx, r10
mov r8, rdx
sar rdx, 3
movabs rax, 0xcccccccccccccccd
mov rdi, rdx
imul rdx
add rdx, rdi
sar rdx, 3
sar r8, 0x3f
sub rdx, r8
lea rdx, [rdx + rdx*4]
shl rdx, 1
mov r8, rdi
sub rdi, rdx
lea rdx, [r8 + r8*4]
shl rdx, 1
sub r10, rdx
cmp r12, rbx
jae 0x490a3a
mov qword [rsp + 0x68], rdi
mov qword [rsp + 0x58], r10
mov qword [rsp + 0x50], rsi
mov rax, rcx
mov rcx, r12
mov edi, 3
lea rsi, [0x004d2680]
nop
call fcn.00448f80
mov rsi, qword [rsp + 0x50]
mov rdi, qword [rsp + 0x68]
mov r10, qword [rsp + 0x58]
mov r12, rcx
mov rcx, rax
sar rsi, 6
lea edx, [rsi + 0x30]
mov byte [rbx + rcx - 3], dl
lea edx, [rdi + 0x30]
mov byte [rbx + rcx - 2], dl
lea edx, [r10 + 0x30]
mov byte [rbx + rcx - 1], dl
jmp 0x490b53
add rbx, 4
mov rcx, rax
movabs rax, 0xa3d70a3d70a3d70b
imul r10
add rdx, r10
sar rdx, 6
movzx r8d, dl
imul r8d, r8d, 0x19a
shr r8d, 0xc
lea r8d, [r8 + r8*4]
shl r8d, 1
sub edx, r8d
movabs rax, 0xcccccccccccccccd
mov esi, edx
imul r10
add rdx, r10
mov r8, rdx
sar rdx, 3
movabs rax, 0xcccccccccccccccd
mov rdi, rdx
imul rdx
add rdx, rdi
sar rdx, 3
sar r8, 0x3f
sub rdx, r8
lea rdx, [rdx + rdx*4]
shl rdx, 1
mov r8, rdi
sub rdi, rdx
lea rdx, [r8 + r8*4]
shl rdx, 1
mov r8, r10
sub r10, rdx
nop
cmp r12, rbx
jae 0x490b25
mov qword [rsp + 0x58], r10
mov byte [rsp + 0x47], sil
mov qword [rsp + 0x50], rdi
mov rax, rcx
mov rcx, r12
mov edi, 4
lea rsi, [0x004d2680]
call fcn.00448f80
movzx esi, byte [rsp + 0x47]
mov rdi, qword [rsp + 0x50]
mov r8, qword [rsp + 0x68]
mov r10, qword [rsp + 0x58]
mov r12, rcx
mov rcx, rax
movabs rax, 0x4189374bc6a7ef9e
imul r8
sar rdx, 8
add edx, 0x30
mov byte [rbx + rcx - 4], dl
lea edx, [rsi + 0x30]
mov byte [rbx + rcx - 3], dl
lea edx, [rdi + 0x30]
mov byte [rbx + rcx - 2], dl
lea edx, [r10 + 0x30]
mov byte [rbx + rcx - 1], dl
mov rax, rcx
mov rcx, r12
mov rbp, qword [rsp + 0x78]
sub rsp, 0xffffffffffffff80
ret
mov byte [rbx + rax - 1], dl
inc r8
shl r9, 4
mov rdx, r9
cmp rdi, r8
jle 0x490865
inc rbx
mov r9, rdx
shr rdx, 0x3c
and edx, 0xf
movzx edx, byte [rcx + rdx]
cmp r12, rbx
jae 0x490b63
mov qword [rsp + 0x48], r8
mov byte [rsp + 0x46], dl
mov qword [rsp + 0x60], r9
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
movzx edx, byte [rsp + 0x46]
movzx esi, byte [rsp + 0xa8]
mov rdi, qword [rsp + 0xa0]
mov r8, qword [rsp + 0x48]
mov r9, qword [rsp + 0x60]
mov r10, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x70]
nop
jmp 0x490b63
mov byte [rbx + rax - 1], dl
shl r8, 4
mov rdx, r8
test rdx, rdx
je 0x490865
inc rbx
mov r8, rdx
shr rdx, 0x3c
and edx, 0xf
movzx edx, byte [rcx + rdx]
cmp r12, rbx
jae 0x490be2
mov qword [rsp + 0x60], r8
mov byte [rsp + 0x46], dl
mov rcx, r12
mov edi, 1
lea rsi, [0x004d2680]
call fcn.00448f80
movzx edx, byte [rsp + 0x46]
movzx esi, byte [rsp + 0xa8]
mov r8, qword [rsp + 0x60]
mov r10, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x70]
jmp 0x490be2
mov qword [rsp + 8], rax
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
mov byte [rsp + 0x28], sil
mov byte [rsp + 0x29], r8b
mov qword [rsp + 0x30], r9
mov qword [rsp + 0x38], r10
mov qword [rsp + 0x40], r11
call fcn.00460400
mov rax, qword [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
movzx esi, byte [rsp + 0x28]
movzx r8d, byte [rsp + 0x29]
mov r9, qword [rsp + 0x30]
mov r10, qword [rsp + 0x38]
mov r11, qword [rsp + 0x40]
jmp fcn.00490600