Function at 0x54e120
Capabilities:
Encode data using base64
Reference http user-agent string

Disassembly:
lea r12, [rsp - 0x5a8]
cmp r12, qword [r14 + 0x10]
jbe 0x54e88e
push rbp
mov rbp, rsp
sub rsp, 0x620
mov qword [rsp + 0x660], r9
mov qword [rsp + 0x630], rax
mov qword [rsp + 0x640], rcx
mov qword [rsp + 0x658], r8
mov qword [rsp + 0x648], rdi
mov qword [rsp + 0x638], rbx
mov qword [rsp + 0x650], rsi
mov rax, r9
mov rbx, r10
mov rcx, r11
nop
call fcn.0054cce0
test r9, r9
jne 0x54e2a1
mov qword [rsp + 0x580], rax
mov qword [rsp + 0x570], rdi
mov qword [rsp + 0x40], rsi
mov qword [rsp + 0x58], rcx
mov qword [rsp + 0x48], r8
mov qword [rsp + 0x50], rbx
mov rdx, qword [rsp + 0x630]
mov rbx, qword [rdx + 0x20]
mov rsi, qword [rsp + 0x640]
mov rcx, qword [rsi + 0x10]
mov rdi, qword [rsi + 0x18]
mov rax, qword [rsp + 0x638]
call fcn.0054dc20
nop dword [rax + rax]
test rbx, rbx
jne 0x54e295
mov qword [rsp + 0x598], rax
lea rdi, [rsp + 0x460]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00466c54
mov rbp, qword [rbp]
mov qword [rsp + 0x608], 0
movups xmmword [rsp + 0x610], xmm15
lea rdx, [rsp + 0x460]
mov qword [rsp + 0x608], rdx
mov qword [rsp + 0x610], 0
mov qword [rsp + 0x618], 0x20
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
lea rax, [rsp + 0x608]
mov rbx, qword [rsp + 0x580]
mov rcx, qword [rsp + 0x50]
mov rdi, qword [rsp + 0x58]
call fcn.00534c60
nop dword [rax + rax]
test rbx, rbx
jne 0x54e2ac
mov rdx, qword [rax]
mov r8, qword [rax + 8]
xor ecx, ecx
mov ebx, 1
jmp 0x54e2e1
xor eax, eax
add rsp, 0x620
pop rbp
nop
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov r9, qword [rdx + rcx*8]
inc rcx
mov r10, r9
sub r9, 0
sbb r9, r9
neg r9
xor r11d, r11d
sub r11, r10
sbb r10, r10
neg r10
or r10, r9
xor r10, 1
and rbx, r10
cmp rcx, r8
jl 0x54e2b7
cmp rbx, 1
je 0x54e2ac
mov qword [rsp + 0x588], rax
lea rdi, [rsp + 0x360]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00466c54
mov rbp, qword [rbp]
mov qword [rsp + 0x5f0], 0
movups xmmword [rsp + 0x5f8], xmm15
lea rdx, [rsp + 0x360]
mov qword [rsp + 0x5f0], rdx
mov qword [rsp + 0x5f8], 0
mov qword [rsp + 0x600], 0x20
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
lea rax, [rsp + 0x5f0]
mov rbx, qword [rsp + 0x570]
mov rcx, qword [rsp + 0x40]
mov rdi, qword [rsp + 0x48]
call fcn.00534c60
nop dword [rax + rax]
test rbx, rbx
jne 0x54e395
mov rdx, qword [rax]
mov r9, qword [rax + 8]
xor ecx, ecx
mov ebx, 1
jmp 0x54e3cb
xor eax, eax
add rsp, 0x620
pop rbp
nop
ret
mov r10, qword [rdx + rcx*8]
inc rcx
mov r11, r10
sub r10, 0
sbb r10, r10
neg r10
xor r12d, r12d
sub r12, r11
sbb r11, r11
neg r11
or r11, r10
xor r11, 1
and rbx, r11
cmp rcx, r9
jl 0x54e3a1
cmp rbx, 1
je 0x54e395
mov qword [rsp + 0x578], rax
nop
lea rdi, [rsp + 0x260]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00466c54
mov rbp, qword [rbp]
mov qword [rsp + 0x5d8], 0
movups xmmword [rsp + 0x5e0], xmm15
lea rdx, [rsp + 0x260]
mov qword [rsp + 0x5d8], rdx
mov qword [rsp + 0x5e0], 0
mov qword [rsp + 0x5e8], 0x20
mov rdx, qword [rsp + 0x630]
mov rax, qword [rdx + 0x28]
mov rbx, qword [rsp + 0x638]
lea rcx, [rsp + 0x5d8]
mov rdi, qword [rsp + 0x648]
mov rsi, qword [rsp + 0x650]
mov r8, qword [rsp + 0x658]
call fcn.0054eac0
nop
lea rdi, [rsp + 0x160]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00466c54
mov rbp, qword [rbp]
mov qword [rsp + 0x5c0], 0
movups xmmword [rsp + 0x5c8], xmm15
lea rdx, [rsp + 0x160]
mov qword [rsp + 0x5c0], rdx
mov qword [rsp + 0x5c8], 0
mov qword [rsp + 0x5d0], 0x20
mov rdx, qword [rsp + 0x630]
mov rax, qword [rdx + 0x30]
mov rbx, qword [rsp + 0x638]
lea rcx, [rsp + 0x5c0]
mov rdi, qword [rsp + 0x578]
call fcn.0054e900
mov rdx, qword [rsp + 0x638]
mov r9, qword [rdx]
mov r10, qword [r9]
mov rdx, r9
call r10
mov qword [rsp + 0x5a0], rax
mov rdx, qword [rsp + 0x638]
mov rcx, qword [rdx + 0x18]
lea rbx, [rsp + 0x5c0]
lea rax, [rsp + 0x5d8]
call fcn.00536880
mov qword [rsp + 0x568], rax
mov rdx, qword [rsp + 0x638]
mov r9, qword [rdx + 0x18]
mov r10, qword [r9]
mov r10, qword [r10 + 8]
shl r10, 6
sub r10, qword [r9 + 8]
lea r9, [r10 + 7]
sar r9, 0x3f
shr r9, 0x3d
lea rcx, [r10 + r9]
lea rcx, [rcx + 7]
sar rcx, 3
mov qword [rsp + 0x38], rcx
nop
mov rbx, rcx
lea rax, [0x0065bae0]
call fcn.0044b7a0
mov rdx, qword [rsp + 0x568]
mov r9, qword [rdx]
mov rdx, qword [rdx + 8]
mov r10, qword [rsp + 0x38]
mov rcx, r10
xor ebx, ebx
nop
jmp 0x54e5a8
inc rbx
mov r10, r8
cmp rbx, rdx
jge 0x54e5ca
mov rsi, qword [r9 + rbx*8]
xor edi, edi
jmp 0x54e849
test rsi, rsi
je 0x54e5a2
nop dword [rax]
jmp 0x54e870
mov r8, r10
jmp 0x54e5a2
mov rdx, qword [rsp + 0x630]
mov rsi, qword [rdx]
mov rbx, rax
mov rdi, rcx
mov rax, qword [rsp + 0x5a0]
call rsi
test rbx, rbx
jne 0x54e682
mov qword [rsp + 0x590], rax
mov rdx, qword [rsp + 0x638]
mov rcx, qword [rdx + 0x18]
lea rax, [rsp + 0x5c0]
mov rbx, qword [rsp + 0x588]
call fcn.00536880
mov qword [rsp + 0x560], rax
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
mov rdi, qword [rsi]
mov rdi, qword [rdi + 8]
shl rdi, 6
sub rdi, qword [rsi + 8]
lea rsi, [rdi + 7]
sar rsi, 0x3f
shr rsi, 0x3d
lea rcx, [rdi + rsi]
lea rcx, [rcx + 7]
sar rcx, 3
mov qword [rsp + 0x30], rcx
nop
mov rbx, rcx
lea rax, [0x0065bae0]
call fcn.0044b7a0
mov rdx, qword [rsp + 0x560]
mov rsi, qword [rdx]
mov rdx, qword [rdx + 8]
mov rdi, qword [rsp + 0x30]
mov rcx, rdi
xor ebx, ebx
jmp 0x54e693
xor eax, eax
add rsp, 0x620
pop rbp
ret
inc rbx
mov rdi, r10
cmp rbx, rdx
jge 0x54e6b4
mov r8, qword [rsi + rbx*8]
xor r9d, r9d
nop
jmp 0x54e801
test r8, r8
je 0x54e68d
jmp 0x54e81f
mov r10, rdi
jmp 0x54e68d
mov rdx, qword [rsp + 0x630]
lea r8, [rdx + 8]
mov r9, qword [rdx + 8]
mov rbx, qword [rsp + 0x598]
mov rdi, rcx
mov rsi, rdi
mov rcx, rax
mov rax, rbx
mov rdx, r8
call r9
nop
test rbx, rbx
jne 0x54e7e7
mov rdx, qword [rsp + 0x630]
lea rsi, [rdx + 0x10]
mov rdi, qword [rdx + 0x10]
mov rbx, qword [rsp + 0x590]
mov rcx, rax
mov rax, rbx
mov rdx, rsi
call rdi
mov rdx, qword [rsp + 0x630]
lea rsi, [rdx + 0x18]
mov rdi, qword [rdx + 0x18]
mov rdx, rsi
nop
call rdi
test rdi, rdi
jne 0x54e7dc
lea rdi, [rsp + 0x60]
nop word [rax + rax]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00466c54
mov rbp, qword [rbp]
mov qword [rsp + 0x5a8], 0
movups xmmword [rsp + 0x5b0], xmm15
lea rdx, [rsp + 0x60]
mov qword [rsp + 0x5a8], rdx
mov qword [rsp + 0x5b0], 0
mov qword [rsp + 0x5b8], 0x20
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
mov rdi, rcx
mov rcx, rbx
mov rbx, rax
lea rax, [rsp + 0x5a8]
call fcn.00534d80
test rbx, rbx
je 0x54e7bf
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov rbx, qword [rsp + 0x588]
call fcn.005350c0
cmp rax, 1
sete al
add rsp, 0x620
pop rbp
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov byte [rdi + rax - 1], r8b
inc r9
shr r8, 8
mov rdi, r10
cmp r9, 8
jge 0x54e6af
lea r10, [rdi - 1]
test r10, r10
jl 0x54e6a5
cmp rcx, r10
ja 0x54e7f2
jmp 0x54e832
lea rax, [0x0065b7a0]
lea rbx, [0x00727fb0]
call fcn.00436ac0
mov rax, r10
call fcn.00466960
mov byte [r10 + rax - 1], sil
inc rdi
shr rsi, 8
mov r10, r8
cmp rdi, 8
jge 0x54e5c5
lea r8, [r10 - 1]
nop word [rax + rax]
test r8, r8
jl 0x54e5b8
cmp rcx, r8
ja 0x54e83a
jmp 0x54e885
lea rax, [0x0065b7a0]
lea rbx, [0x00727fb0]
nop
call fcn.00436ac0
mov rax, r8
call fcn.00466960
nop
mov qword [rsp + 8], rax
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
mov qword [rsp + 0x28], rsi
mov qword [rsp + 0x30], r8
mov qword [rsp + 0x38], r9
mov qword [rsp + 0x40], r10
mov qword [rsp + 0x48], r11
nop dword [rax + rax]
call fcn.004646a0
mov rax, qword [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
mov rsi, qword [rsp + 0x28]
mov r8, qword [rsp + 0x30]
mov r9, qword [rsp + 0x38]
mov r10, qword [rsp + 0x40]
mov r11, qword [rsp + 0x48]
jmp fcn.0054e120