Function at 0x588d20
Capabilities:
Encode data using base64
Reference http user-agent string

Disassembly:
lea r12, [rsp - 0x10]
cmp r12, qword [r14 + 0x10]
jbe 0x589242
sub rsp, 0x90
mov qword [rsp + 0x88], rbp
lea rbp, [rsp + 0x88]
mov qword [rsp + 0xa0], rbx
cmp al, 0x13
ja 0x588df5
cmp al, 0xc
je 0x588d74
cmp al, 0x12
jne 0x588d65
xor eax, eax
jmp 0x5891d3
cmp al, 0x13
jne 0x588ec2
xor eax, eax
jmp 0x589120
mov qword [rsp + 0xa8], rcx
mov rax, rbx
mov rbx, rcx
mov rcx, rdi
call fcn.004922e0
test al, al
je 0x588db9
xor eax, eax
mov rbx, qword [rsp + 0xa0]
mov rcx, qword [rsp + 0xa8]
call fcn.0044f600
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
lea rax, [0x0067c040]
call fcn.0040d780
mov qword [rax + 8], 0x14
lea rcx, [0x006ba0b5]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0073b260]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
cmp al, 0x14
je 0x588f37
nop dword [rax]
cmp al, 0x16
je 0x588f22
cmp al, 0x1e
jne 0x588ec2
bt ecx, 0
jb 0x588e86
mov qword [rsp + 0xb0], rdi
nop
cmp rcx, 2
jl 0x588e48
movzx edx, byte [rcx + rbx - 1]
test dl, dl
jne 0x588e48
lea rax, [rcx - 2]
cmp rcx, rax
jbe 0x589110
movzx edx, byte [rcx + rbx - 2]
test dl, dl
jne 0x588e48
mov rcx, rax
mov qword [rsp + 0x60], rcx
shr rcx, 1
mov qword [rsp + 0x58], rcx
lea rax, [0x006655e0]
xor ebx, ebx
nop
call fcn.0044b520
mov rdx, qword [rsp + 0x58]
mov rsi, qword [rsp + 0xb0]
mov rdi, qword [rsp + 0xa0]
mov rcx, qword [rsp + 0x60]
xor ebx, ebx
jmp 0x58904e
lea rax, [0x0067c040]
call fcn.0040d780
mov qword [rax + 8], 0x11
lea rcx, [0x006b890b]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0073b260]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
movups xmmword [rsp + 0x78], xmm15
lea rdx, [0x00673b20]
mov qword [rsp + 0x78], rdx
movzx edx, al
lea r8, [0x00890d60]
lea rdx, [r8 + rdx*8]
mov qword [rsp + 0x80], rdx
lea rax, [0x006be527]
mov ebx, 0x1b
lea rcx, [rsp + 0x78]
mov edi, 1
mov rsi, rdi
call fcn.004ea880
mov rcx, rax
mov rdi, rbx
xor eax, eax
xor ebx, ebx
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
xor eax, eax
call fcn.0044f600
mov qword [rsp + 0x68], rax
mov qword [rsp + 0x48], rbx
xor ecx, ecx
jmp 0x588f55
xor eax, eax
call fcn.0044f600
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
mov rcx, rsi
cmp rbx, rcx
jle 0x588fd4
movzx edx, byte [rax + rcx]
nop
cmp edx, 0x80
jge 0x588f6e
lea rsi, [rcx + 1]
jmp 0x588f82
call fcn.0045dbe0
mov edx, eax
mov rsi, rbx
mov rax, qword [rsp + 0x68]
mov rbx, qword [rsp + 0x48]
cmp edx, 0x7f
jle 0x588f52
movups xmmword [rsp + 0x78], xmm15
call fcn.0040aec0
lea rcx, [0x006654e0]
mov qword [rsp + 0x78], rcx
mov qword [rsp + 0x80], rax
lea rax, [0x006c625e]
mov ebx, 0x2a
lea rcx, [rsp + 0x78]
mov edi, 1
mov rsi, rdi
nop
call fcn.004ea880
mov rbx, qword [rsp + 0x48]
mov rcx, rax
mov rax, qword [rsp + 0x68]
jmp 0x588fd6
xor ecx, ecx
test rcx, rcx
je 0x589017
lea rax, [0x0067c040]
call fcn.0040d780
mov qword [rax + 8], 0x11
lea rcx, [0x006b891c]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0073b260]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
mov word [rax + rbx*2], r8w
add rsi, 0xfffffffffffffffe
mov r8, rsi
neg rsi
sar rsi, 0x3f
and esi, 2
add rdi, rsi
add rcx, 0xfffffffffffffffe
mov rsi, r8
mov rbx, r9
test rcx, rcx
je 0x5890d7
movzx r8d, byte [rdi]
nop dword [rax + rax]
cmp rcx, 1
jbe 0x589103
lea r9, [rbx + 1]
shl r8d, 8
movzx r10d, byte [rdi + 1]
add r8d, r10d
cmp rdx, r9
jae 0x58902b
mov qword [rsp + 0x60], rsi
mov qword [rsp + 0x58], rcx
mov word [rsp + 0x46], r8w
mov qword [rsp + 0x70], rdi
mov qword [rsp + 0x50], rbx
mov rcx, rbx
mov rdi, rdx
mov rsi, r9
mov rbx, rax
lea rax, [0x006655e0]
call fcn.0044b680
lea r9, [rbx + 1]
mov rbx, qword [rsp + 0x50]
mov rsi, qword [rsp + 0x60]
mov rdi, qword [rsp + 0x70]
movzx r8d, word [rsp + 0x46]
mov rdx, rcx
mov rcx, qword [rsp + 0x58]
jmp 0x58902b
mov rcx, rdx
call fcn.00472b00
mov rdi, rcx
mov rcx, rbx
mov rbx, rax
xor eax, eax
call fcn.0044fa40
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
mov eax, 1
mov rcx, rax
call fcn.00465080
call fcn.00465080
inc rax
nop dword [rax + rax]
cmp rcx, rax
jle 0x5891b5
movzx edx, byte [rbx + rax]
lea esi, [rdx - 0x61]
cmp sil, 0x19
jbe 0x589115
lea esi, [rdx - 0x41]
cmp sil, 0x19
jbe 0x589115
lea esi, [rdx - 0x30]
cmp sil, 9
jbe 0x589115
lea esi, [rdx - 0x27]
cmp sil, 2
jbe 0x589115
lea esi, [rdx - 0x2b]
cmp sil, 4
jbe 0x589115
cmp dl, 0x20
je 0x589115
nop
cmp dl, 0x3a
je 0x589115
cmp dl, 0x3d
je 0x589115
cmp dl, 0x3f
je 0x589115
cmp dl, 0x2a
je 0x589115
cmp dl, 0x26
je 0x589115
lea rax, [0x0067c040]
call fcn.0040d780
mov qword [rax + 8], 0x17
lea rcx, [0x006bbbd0]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0073b260]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
xor eax, eax
call fcn.0044f600
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
inc rax
cmp rcx, rax
jle 0x589227
movzx edx, byte [rbx + rax]
lea esi, [rdx - 0x30]
nop
cmp sil, 9
jbe 0x5891d0
cmp dl, 0x20
je 0x5891d0
lea rax, [0x0067c040]
call fcn.0040d780
mov qword [rax + 8], 0x15
lea rcx, [0x006ba861]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0073b260]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
xor eax, eax
call fcn.0044f600
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x88]
add rsp, 0x90
ret
mov byte [rsp + 8], al
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
call fcn.004629a0
movzx eax, byte [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
jmp fcn.00588d20