Function at 0x578480
Capabilities:
Encode data using base64
Reference http user-agent string

Disassembly:
lea r12, [rsp - 8]
cmp r12, qword [r14 + 0x10]
jbe 0x578970
sub rsp, 0x88
mov qword [rsp + 0x80], rbp
lea rbp, [rsp + 0x80]
mov qword [rsp + 0x98], rbx
cmp al, 0x13
ja 0x578555
cmp al, 0xc
je 0x5784d4
cmp al, 0x12
jne 0x5784c5
xor eax, eax
jmp 0x578900
cmp al, 0x13
jne 0x578615
xor eax, eax
jmp 0x578849
mov qword [rsp + 0xa0], rcx
mov rax, rbx
mov rbx, rcx
mov rcx, rdi
call fcn.0048cc20
test al, al
je 0x578519
xor eax, eax
mov rbx, qword [rsp + 0x98]
mov rcx, qword [rsp + 0xa0]
call fcn.0044e8e0
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
lea rax, [0x0067fd60]
call fcn.0040da20
mov qword [rax + 8], 0x14
lea rcx, [0x006bdbab]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0072e7e0]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
cmp al, 0x14
je 0x578687
nop dword [rax]
cmp al, 0x16
je 0x578672
cmp al, 0x1e
jne 0x578615
bt ecx, 0
jb 0x5785d8
mov qword [rsp + 0xa8], rdi
nop
cmp rcx, 2
jl 0x57859c
movzx edx, byte [rcx + rbx - 1]
test dl, dl
jne 0x57859c
movzx edx, byte [rcx + rbx - 2]
test dl, dl
jne 0x57859c
add rcx, 0xfffffffffffffffe
mov qword [rsp + 0x58], rcx
shr rcx, 1
mov qword [rsp + 0x50], rcx
lea rax, [0x00667b40]
xor ebx, ebx
call fcn.0044a620
mov rdx, qword [rsp + 0x50]
mov rsi, qword [rsp + 0xa8]
mov rdi, qword [rsp + 0x98]
mov rcx, qword [rsp + 0x58]
xor ebx, ebx
jmp 0x5787a0
lea rax, [0x0067fd60]
nop
call fcn.0040da20
mov qword [rax + 8], 0x11
lea rcx, [0x006bc563]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0072e7e0]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
movups xmmword [rsp + 0x70], xmm15
lea rdx, [0x00676f60]
mov qword [rsp + 0x70], rdx
movzx edx, al
lea r8, [0x00896b80]
lea rdx, [r8 + rdx*8]
mov qword [rsp + 0x78], rdx
lea rax, [0x006c14ef]
mov ebx, 0x1b
lea rcx, [rsp + 0x70]
mov edi, 1
mov rsi, rdi
call fcn.004f0a80
mov rcx, rax
mov rdi, rbx
xor eax, eax
xor ebx, ebx
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
xor eax, eax
call fcn.0044e8e0
mov qword [rsp + 0x60], rax
mov qword [rsp + 0x48], rbx
xor ecx, ecx
jmp 0x5786a5
xor eax, eax
call fcn.0044e8e0
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
mov rcx, rsi
cmp rbx, rcx
jle 0x578723
movzx edx, byte [rax + rcx]
cmp edx, 0x80
jge 0x5786bc
lea rsi, [rcx + 1]
jmp 0x5786d4
nop dword [rax]
call fcn.0045d100
mov edx, eax
mov rsi, rbx
mov rax, qword [rsp + 0x60]
mov rbx, qword [rsp + 0x48]
cmp edx, 0x7f
jle 0x5786a2
movups xmmword [rsp + 0x70], xmm15
nop
call fcn.0040b080
lea rcx, [0x00667a40]
mov qword [rsp + 0x70], rcx
mov qword [rsp + 0x78], rax
lea rax, [0x006c78e6]
mov ebx, 0x2a
lea rcx, [rsp + 0x70]
mov edi, 1
mov rsi, rdi
call fcn.004f0a80
mov rbx, qword [rsp + 0x48]
mov rcx, rax
mov rax, qword [rsp + 0x60]
jmp 0x578725
xor ecx, ecx
test rcx, rcx
je 0x578766
lea rax, [0x0067fd60]
call fcn.0040da20
mov qword [rax + 8], 0x11
lea rcx, [0x006bc574]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0072e7e0]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
mov word [rax + rbx*2 - 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
nop dword [rax + rax]
test rcx, rcx
je 0x57880d
movzx r8d, byte [rdi]
cmp rcx, 1
jbe 0x578839
inc rbx
shl r8d, 8
movzx r9d, byte [rdi + 1]
add r8d, r9d
cmp rdx, rbx
jae 0x57877a
mov word [rsp + 0x46], r8w
mov qword [rsp + 0x58], rsi
mov qword [rsp + 0x50], rcx
mov qword [rsp + 0x68], rdi
mov rcx, rdx
mov edi, 1
lea rsi, [0x00667b40]
call fcn.0044a700
mov rsi, qword [rsp + 0x58]
mov rdi, qword [rsp + 0x68]
movzx r8d, word [rsp + 0x46]
mov rdx, rcx
mov rcx, qword [rsp + 0x50]
jmp 0x57877a
mov rcx, rdx
call fcn.00472a00
mov rdi, rcx
mov rcx, rbx
mov rbx, rax
xor eax, eax
call fcn.0044ed80
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
mov eax, 1
mov rcx, rax
call fcn.00465aa0
inc rax
cmp rcx, rax
jle 0x5788e1
movzx edx, byte [rbx + rax]
lea esi, [rdx - 0x61]
cmp sil, 0x19
jbe 0x578846
lea esi, [rdx - 0x41]
cmp sil, 0x19
jbe 0x578846
lea esi, [rdx - 0x30]
cmp sil, 9
jbe 0x578846
lea esi, [rdx - 0x27]
cmp sil, 2
jbe 0x578846
lea esi, [rdx - 0x2b]
nop dword [rax]
cmp sil, 4
jbe 0x578846
cmp dl, 0x20
je 0x578846
cmp dl, 0x3a
je 0x578846
cmp dl, 0x3d
je 0x578846
cmp dl, 0x3f
je 0x578846
cmp dl, 0x2a
je 0x578846
nop
cmp dl, 0x26
je 0x578846
lea rax, [0x0067fd60]
call fcn.0040da20
mov qword [rax + 8], 0x17
lea rcx, [0x006bf244]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0072e7e0]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
xor eax, eax
call fcn.0044e8e0
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
inc rax
nop
cmp rcx, rax
jle 0x578955
movzx edx, byte [rax + rbx]
lea esi, [rdx - 0x30]
cmp sil, 9
jbe 0x5788fc
cmp dl, 0x20
je 0x5788fc
lea rax, [0x0067fd60]
nop
call fcn.0040da20
mov qword [rax + 8], 0x15
lea rcx, [0x006be230]
mov qword [rax], rcx
xor ebx, ebx
lea rcx, [0x0072e7e0]
mov rdi, rax
xor eax, eax
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
xor eax, eax
call fcn.0044e8e0
xor ecx, ecx
xor edi, edi
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
mov byte [rsp + 8], al
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
call fcn.00463440
movzx eax, byte [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
nop dword [rax]
jmp fcn.00578480