Function at 0x140064b00
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x1530]
mov eax, 0x1630
call fcn.14034dec0
sub rsp, rax
mov qword [rsp + 0x38], 0xfffffffffffffffe
mov qword [rsp + 0x1688], rbx
mov rax, qword [0x140735840]
xor rax, rsp
mov qword [rbp + 0x1520], rax
mov r12d, r9d
mov dword [rsp + 0x30], r8d
mov rsi, rdx
mov r13, rcx
mov qword [rbp + 0xd8], 0xf
xor edi, edi
mov qword [rbp + 0xd0], rdi
mov byte [rbp + 0xc0], dil
xor r8d, r8d
lea rdx, [0x1403ce738]
lea rcx, [rbp + 0xc0]
call fcn.14001f040
nop
call fcn.14032dec4
nop
mov rax, qword [rbp + 0xd8]
cmp rax, 0x10
jb 0x140064be5
inc rax
mov rcx, qword [rbp + 0xc0]
cmp rax, 0x1000
jb 0x140064be0
test cl, 0x1f
je 0x140064bb3
call fcn.140376968
int3
mov rax, qword [rcx - 8]
cmp rax, rcx
jb 0x140064bc2
call fcn.140376968
int3
sub rcx, rax
cmp rcx, 8
jae 0x140064bd1
call fcn.140376968
int3
cmp rcx, 0x27
jbe 0x140064bdd
call fcn.140376968
int3
mov rcx, rax
call fcn.14034da94
call fcn.14032dec4
mov dword [rbp + 0x1514], 0xffffffff
mov dword [rbp + 0x194], eax
mov r8d, 1
mov edx, r8d
nop dword [rax]
nop word [rax + rax]
mov ecx, eax
shr ecx, 0x1e
xor ecx, eax
imul eax, ecx, 0x6c078965
add eax, r8d
mov dword [rbp + rdx*4 + 0x194], eax
inc r8d
inc rdx
cmp rdx, 0x270
jl 0x140064c10
mov dword [rbp + 0x190], 0x270
lea rax, [rbp + 0x190]
mov qword [rbp + 0xc0], rax
mov qword [rbp + 0xc8], 0x20
mov dword [rbp + 0xd0], 0xffffffff
mov edx, 0x3e9
lea rcx, [rbp + 0xc0]
call fcn.14004c640
mov r15d, eax
mov ebx, edi
lea r14d, [r12*4]
test r14d, r14d
jle 0x140064e23
nop word [rax + rax]
mov r9d, dword [r13 + 0x133c]
mov r8d, r15d
mov edx, dword [rsp + 0x30]
lea rcx, [rbp]
call fcn.14009a790
nop
movsxd rcx, ebx
movabs rax, 0xea0ea0ea0ea0ea0f
mul rcx
shr rdx, 5
imul rax, rdx, 0x23
sub rcx, rax
lea rax, str.___5_CGIOSYaegkmq
add r15d, dword [rax + rcx*4]
cmp qword [rbp + 0x10], 0
je 0x140064d7a
lea rdx, [rbp]
mov rcx, rsi
call fcn.140054e70
test al, al
je 0x140064d7a
lea rdx, [rbp]
lea rcx, [rsp + 0x48]
call fcn.14004acc0
mov ecx, dword [rbp + 0xb0]
mov dword [rsp + 0x20], ecx
mov r9, rax
mov r8d, dword [rsp + 0x30]
lea rdx, [rbp + 0xe0]
mov rcx, r13
call fcn.140051f90
nop
cmp qword [rbp + 0xf0], 0
je 0x140064d3d
lea rdx, [rbp + 0xe0]
mov rcx, rsi
call fcn.14005fe30
inc edi
cmp edi, r12d
jge 0x140064db6
lea rcx, [rbp + 0x160]
call fcn.14001c970
lea rcx, [rbp + 0x140]
call fcn.14001c970
lea rcx, [rbp + 0x120]
call fcn.14001c970
lea rcx, [rbp + 0x100]
call fcn.14001c970
lea rcx, [rbp + 0xe0]
call fcn.14001c970
nop
lea rcx, [rbp + 0x80]
call fcn.14001c970
lea rcx, [rbp + 0x60]
call fcn.14001c970
lea rcx, [rbp + 0x40]
call fcn.14001c970
lea rcx, [rbp + 0x20]
call fcn.14001c970
lea rcx, [rbp]
call fcn.14001c970
inc ebx
cmp ebx, r14d
jge 0x140064e23
jmp 0x140064c90
lea rcx, [rbp + 0x160]
call fcn.14001c970
lea rcx, [rbp + 0x140]
call fcn.14001c970
lea rcx, [rbp + 0x120]
call fcn.14001c970
lea rcx, [rbp + 0x100]
call fcn.14001c970
lea rcx, [rbp + 0xe0]
call fcn.14001c970
nop
lea rcx, [rbp + 0x80]
call fcn.14001c970
lea rcx, [rbp + 0x60]
call fcn.14001c970
lea rcx, [rbp + 0x40]
call fcn.14001c970
lea rcx, [rbp + 0x20]
call fcn.14001c970
lea rcx, [rbp]
call fcn.14001c970
mov rcx, qword [rbp + 0x1520]
xor rcx, rsp
call fcn.14034de80
mov rbx, qword [rsp + 0x1688]
add rsp, 0x1630
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret