Function at 0x140060b20
Capabilities:
Encode data using base64
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x10]
sub rsp, 0x110
mov rax, qword [0x1400af040]
xor rax, rsp
mov qword [rbp + 8], rax
mov qword [rsp + 0x38], rdx
mov qword [rsp + 0x30], rcx
mov qword [rbp - 0x20], rcx
mov dword [rsp + 0x28], 0
movups xmm0, xmmword [0x14009d0c8]
movups xmmword [rsp + 0x40], xmm0
movups xmm1, xmmword [0x14009d0d8]
movups xmmword [rsp + 0x50], xmm1
movups xmm0, xmmword [0x14009d0e8]
movups xmmword [rsp + 0x60], xmm0
movsd xmm0, qword [0x14009d0f8]
movsd qword [rsp + 0x70], xmm0
mov eax, dword [0x14009d100]
mov dword [rsp + 0x78], eax
movzx eax, word [0x14009d104]
mov word [rsp + 0x7c], ax
movzx eax, byte [0x14009d106]
mov byte [rsp + 0x7e], al
xor r9d, r9d
lea rax, [rsp + 0x40]
mov r10d, 1
sub r10, rax
lea rax, [rsp + 0x40]
mov r11d, 2
sub r11, rax
lea rax, [rsp + 0x40]
mov ebx, 3
sub rbx, rax
lea rax, [rsp + 0x40]
mov r14d, 4
sub r14, rax
lea rax, [rsp + 0x40]
mov r15d, 5
sub r15, rax
lea rax, [rsp + 0x40]
mov r12d, 6
sub r12, rax
lea rax, [rsp + 0x40]
mov r13d, 7
sub r13, rax
lea rcx, [rsp + 0x40]
mov eax, 8
sub rax, rcx
mov qword [rsp + 0x20], rax
lea rcx, [rsp + 0x40]
mov eax, 9
sub rax, rcx
mov qword [rbp - 0x80], rax
lea rcx, [rsp + 0x40]
mov eax, 0xa
sub rax, rcx
mov qword [rbp - 0x78], rax
lea rcx, [rsp + 0x40]
mov eax, 0xb
sub rax, rcx
mov qword [rbp - 0x70], rax
lea rcx, [rsp + 0x40]
mov eax, 0xc
sub rax, rcx
mov qword [rbp - 0x68], rax
lea rcx, [rsp + 0x40]
mov eax, 0xd
sub rax, rcx
mov qword [rbp - 0x60], rax
lea rcx, [rsp + 0x40]
mov eax, select
sub rax, rcx
mov qword [rbp - 0x58], rax
lea rcx, [rsp + 0x40]
mov eax, select
sub rax, rcx
mov qword [rbp - 0x50], rax
lea rcx, [rsp + 0x40]
mov eax, select
sub rax, rcx
mov qword [rbp - 0x48], rax
lea rcx, [rsp + 0x40]
mov eax, select
sub rax, rcx
mov qword [rbp - 0x40], rax
lea rcx, [rsp + 0x40]
mov eax, reloc.WS2_32.dll_select
sub rax, rcx
mov qword [rbp - 0x38], rax
lea rcx, [rsp + 0x40]
mov eax, setsockopt
sub rax, rcx
mov qword [rbp - 0x30], rax
lea rcx, [rsp + 0x40]
mov eax, setsockopt
sub rax, rcx
mov qword [rbp - 0x28], rax
movabs rax, 0x97b425ed097b425f
mov rsi, qword [rsp + 0x20]
mov rdi, qword [rbp - 0x80]
nop dword [rax + rax]
lea r8, [rsp + 0x40]
add r8, r9
mul r9
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x31
xor byte [r8], al
lea rcx, [r10 + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x32
xor byte [r8 + 1], al
lea rcx, [r11 + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x33
xor byte [r8 + 2], al
lea rcx, [rbx + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x34
xor byte [r8 + 3], al
lea rcx, [r14 + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x35
xor byte [r8 + 4], al
lea rcx, [r15 + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x36
xor byte [r8 + 5], al
lea rcx, [r12 + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x37
xor byte [r8 + 6], al
lea rcx, [r8 + r13]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x38
xor byte [r8 + 7], al
lea rcx, [rsi + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x39
xor byte [r8 + 8], al
lea rcx, [rdi + r8]
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x3a
xor byte [r8 + 9], al
mov rcx, qword [rbp - 0x78]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x3b
xor byte [r8 + 0xa], al
mov rcx, qword [rbp - 0x70]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x3c
xor byte [r8 + 0xb], al
mov rcx, qword [rbp - 0x68]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x3d
xor byte [r8 + 0xc], al
mov rcx, qword [rbp - 0x60]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x3e
xor byte [r8 + 0xd], al
mov rcx, qword [rbp - 0x58]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x3f
xor byte [r8 + 0xe], al
mov rcx, qword [rbp - 0x50]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x40
xor byte [r8 + 0xf], al
mov rcx, qword [rbp - 0x48]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x41
xor byte [r8 + 0x10], al
mov rcx, qword [rbp - 0x40]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x42
xor byte [r8 + 0x11], al
mov rcx, qword [rbp - 0x38]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x43
xor byte [r8 + 0x12], al
mov rcx, qword [rbp - 0x30]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x44
xor byte [r8 + 0x13], al
mov rcx, qword [rbp - 0x28]
add rcx, r8
movabs rax, 0x97b425ed097b425f
mul rcx
shr rdx, 5
movsx eax, dl
imul ecx, eax, 0x36
movzx eax, r9b
sub al, cl
add al, 0x45
xor byte [r8 + 0x14], al
add r9, 0x15
cmp r9, 0x3f
movabs rax, 0x97b425ed097b425f
jb 0x140060d10
xorps xmm0, xmm0
movups xmmword [rbp - 0x18], xmm0
xor ebx, ebx
mov qword [rbp - 8], rbx
mov qword [rbp], rbx
lea rax, [rsp + 0x40]
mov r8, 0xffffffffffffffff
mov rdi, qword [rsp + 0x30]
mov rsi, qword [rsp + 0x38]
nop dword [rax]
inc r8
cmp byte [rax + r8], bl
jne 0x1400610a0
lea rdx, [rsp + 0x40]
lea rcx, [rbp - 0x18]
call fcn.14005b280
nop
mov rax, qword gs:[0x58]
mov r15, qword [rax]
mov qword [rsp + 0x30], r15
mov r14d, 0x13a8
mov eax, dword [r14 + r15]
mov ecx, 0x20
test al, 1
jne 0x14006113a
or eax, 1
mov dword [r14 + r15], eax
mov ebx, ecx
add rbx, r15
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov ecx, eax
mov dword [rbx + 0x1384], 0xffffffff
mov dword [rbx + 4], eax
mov edx, 1
lea r8, [rbx + 8]
nop word [rax + rax]
mov eax, ecx
shr eax, 0x1e
xor eax, ecx
imul ecx, eax, 0x6c078965
add ecx, edx
mov dword [r8], ecx
inc rdx
lea r8, [r8 + 4]
cmp rdx, 0x270
jb 0x140061110
mov dword [rbx], 0x270
xor ebx, ebx
mov ecx, dword [r14 + r15]
mov eax, 0x13b0
mov qword [rsp + 0x20], rax
test cl, 2
jne 0x140061163
or ecx, 2
mov dword [r14 + r15], ecx
mov qword [rax + r15], rbx
mov qword [rax + r15 + 8], 0x1e
jmp 0x140061168
mov qword [rsp + 0x20], rax
xorps xmm0, xmm0
movups xmmword [rdi], xmm0
mov qword [rdi + 0x10], rbx
mov qword [rdi + 0x18], select
mov byte [rdi], 0
mov dword [rsp + 0x28], 1
mov r13, qword [rbp]
mov r12, qword [rbp - 0x18]
cmp rsi, 0xf
jbe 0x1400611a9
mov rdx, rsi
mov rcx, rdi
call fcn.140079ee0
mov qword [rdi + 0x10], rbx
mov rax, qword [rsp + 0x20]
jmp 0x1400611b2
test rsi, rsi
je 0x140061262
mov r14d, 0x20
add r14, r15
nop dword [rax + rax]
dec rsi
mov rdx, qword [r15 + rax + 8]
mov r15, qword [r15 + rax]
mov qword [rsp + 0x38], r14
sub rdx, r15
cmp rdx, 0xffffffffffffffff
jne 0x1400611f7
mov rcx, r14
call fcn.14007d3d0
mov ebx, eax
shl rbx, 0x20
mov rcx, r14
call fcn.14007d3d0
mov eax, eax
or rbx, rax
jmp 0x140061207
inc rdx
lea rcx, [rsp + 0x38]
call fcn.14007c400
mov rbx, rax
lea rax, [rbp - 0x18]
cmp r13, 0xf
cmova rax, r12
add rax, rbx
movzx r9d, byte [rax + r15]
mov rcx, qword [rdi + 0x10]
mov rdx, qword [rdi + 0x18]
cmp rcx, rdx
jae 0x140061247
lea rax, [rcx + 1]
mov qword [rdi + 0x10], rax
mov rax, rdi
cmp rdx, 0xf
jbe 0x14006123c
mov rax, qword [rdi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x14006124f
mov rcx, rdi
call fcn.14005b380
test rsi, rsi
mov r15, qword [rsp + 0x30]
mov rax, qword [rsp + 0x20]
jne 0x1400611c0
cmp r13, 0xf
jbe 0x14006129d
lea rdx, [r13 + 1]
mov rax, r12
cmp rdx, 0x1000
jb 0x140061295
add rdx, 0x27
mov r12, qword [r12 - 8]
sub rax, r12
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x140061295
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r12
call fcn.14007fc40
mov rax, rdi
mov rcx, qword [rbp + 8]
xor rcx, rsp
call fcn.14007f7f0
mov rbx, qword [rsp + 0x160]
add rsp, 0x110
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret