Function at 0x1400cbbc0
Capabilities:
Encode data using base64

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rbp
mov qword [rsp + 0x20], rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x40
mov rax, qword [0x140154e70]
xor rax, rsp
mov qword [rsp + 0x30], rax
mov rdi, r8
mov rbx, rdx
mov rsi, rcx
mov qword [rsp + 0x28], rcx
xor r14d, r14d
mov dword [rsp + 0x20], r14d
mov r12d, r14d
mov ebp, r14d
xorps xmm0, xmm0
movups xmmword [rcx], xmm0
mov qword [rcx + 0x10], r14
mov qword [rcx + 0x18], 0xf
mov byte [rcx], bpl
mov dword [rsp + 0x20], 1
mov rax, r8
sub rax, rdx
xorps xmm0, xmm0
cvtsi2sd xmm0, rax
mulsd xmm0, qword [0x140115578]
xor eax, eax
movsd xmm1, qword [0x1401156f8]
comisd xmm0, xmm1
jb 0x1400cbc61
subsd xmm0, xmm1
comisd xmm0, xmm1
jae 0x1400cbc61
movabs rcx, 0x8000000000000000
mov rax, rcx
cvttsd2si rdx, xmm0
add rdx, rax
cmp rdx, 0xf
jbe 0x1400cbc7b
mov rcx, rsi
call fcn.14000f080
mov qword [rsi + 0x10], r14
cmp rbx, rdi
je 0x1400cbef5
movabs rax, 0xaaaaaaaaaaaaaaab
lea r13, str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_
nop word [rax + rax]
mul r12
shr rdx, 1
lea rax, [rdx + rdx*2]
sub rax, r12
lea r15, [rax*8 + 0x10]
movzx eax, byte [rbx]
mov rcx, r15
shl eax, cl
add ebp, eax
cmp r15, 0x10
jne 0x1400cbd0f
mov eax, ebp
shr rax, 0x12
and eax, 0x3f
mov rdx, qword [rsi + 0x18]
mov rcx, qword [rsi + 0x10]
cmp rcx, rdx
movzx r9d, byte [rax + r13]
jae 0x1400cbd02
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0x10
jb 0x1400cbcf4
mov rax, qword [rsi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x1400cbdb4
mov rcx, rsi
call fcn.140011880
jmp 0x1400cbdb4
cmp r15, 8
jne 0x1400cbd1d
mov eax, ebp
shr rax, 0xc
jmp 0x1400cbccb
test r15, r15
jne 0x1400cbdb4
cmp r12, 3
je 0x1400cbdb4
mov r14d, ebp
mov eax, ebp
shr rax, 6
and eax, 0x3f
movzx r9d, byte [rax + r13]
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x1400cbd6d
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0x10
jb 0x1400cbd62
mov rax, qword [rsi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x1400cbd75
mov rcx, rsi
call fcn.140011880
and r14d, 0x3f
movzx r9d, byte [r14 + r13]
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x1400cbdaa
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0x10
jb 0x1400cbd9f
mov rax, qword [rsi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x1400cbdb2
mov rcx, rsi
call fcn.140011880
xor ebp, ebp
inc r12
inc rbx
cmp rbx, rdi
movabs rax, 0xaaaaaaaaaaaaaaab
jne 0x1400cbca0
cmp r15, 0x10
jne 0x1400cbe79
mov eax, ebp
shr rax, 0xc
and eax, 0x3f
movzx r9d, byte [rax + r13]
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x1400cbe10
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, r15
jb 0x1400cbe05
mov rax, qword [rsi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x1400cbe18
mov rcx, rsi
call fcn.140011880
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x1400cbe41
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0x10
jb 0x1400cbe39
mov rax, qword [rsi]
mov word [rax + rcx], 0x3d
jmp 0x1400cbe4c
mov r9b, 0x3d
mov rcx, rsi
call fcn.140011880
mov rax, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rax, rdx
jae 0x1400cbeea
lea rcx, [rax + 1]
mov qword [rsi + 0x10], rcx
mov rcx, rsi
cmp rdx, 0x10
jb 0x1400cbe71
mov rcx, qword [rsi]
mov word [rcx + rax], 0x3d
jmp 0x1400cbef5
cmp r15, 8
jne 0x1400cbef5
mov eax, ebp
shr rax, 6
and eax, 0x3f
movzx r9d, byte [rax + r13]
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x1400cbeb9
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0x10
jb 0x1400cbeae
mov rax, qword [rsi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x1400cbec1
mov rcx, rsi
call fcn.140011880
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x1400cbeea
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0x10
jb 0x1400cbee2
mov rax, qword [rsi]
mov word [rax + rcx], 0x3d
jmp 0x1400cbef5
mov r9b, 0x3d
mov rcx, rsi
call fcn.140011880
mov rax, rsi
mov rcx, qword [rsp + 0x30]
xor rcx, rsp
call fcn.1400ee850
lea r11, [rsp + 0x40]
mov rbx, qword [r11 + 0x38]
mov rbp, qword [r11 + 0x40]
mov rsi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rdi
ret