Function at 0x140002380
Capabilities:
Encode data using xor
Generate random numbers using a mersenne twister

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push rbp
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x12f0]
mov eax, 0x13f0
call fcn.1400052b0
sub rsp, rax
mov rax, qword [section..data]
xor rax, rsp
mov qword [rbp + 0x12e0], rax
mov rsi, rcx
mov qword [rsp + 0x28], rcx
mov dword [rsp + 0x20], 0
xorps xmm0, xmm0
movups xmmword [rsp + 0x30], xmm0
mov qword [rsp + 0x40], 0
mov qword [rsp + 0x48], 0
mov r8d, 0x3e
lea rdx, str.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789
lea rcx, [rsp + 0x30]
call fcn.140003600
nop
call qword [sym.imp.MSVCP140.dll_unsigned_int___cdecl_std::_Random_device_void_]
mov edx, eax
mov dword [rbp + 0x12d4], 0xffffffff
mov dword [rsp + 0x54], eax
mov ecx, 1
nop dword [rax + rax]
mov eax, edx
shr eax, 0x1e
xor eax, edx
imul edx, eax, 0x6c078965
add edx, ecx
mov dword [rsp + rcx*4 + 0x54], edx
inc rcx
cmp rcx, 0x270
jb 0x140002420
mov ebx, 0x270
mov dword [rsp + 0x50], ebx
mov r13d, dword [rsp + 0x40]
dec r13d
xorps xmm0, xmm0
movups xmmword [rsi], xmm0
mov qword [rsi + 0x10], 0
mov qword [rsi + 0x18], 0
xor r8d, r8d
lea rdx, [0x1400065e7]
mov rcx, rsi
call fcn.140003600
mov dword [rsp + 0x20], 1
xor r14d, r14d
mov r12, qword [rsp + 0x48]
mov r15, qword [rsp + 0x30]
nop dword [rax]
cmp r13d, 0xffffffff
jne 0x140002607
cmp ebx, 0x270
jne 0x1400024f2
lea r8, [rsp + 0x58]
mov r9d, ebx
nop word [rax + rax]
mov edx, dword [r8 - 4]
xor edx, dword [r8]
btr edx, 0x1f
xor edx, dword [r8 - 4]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [r8 + 0x630]
shr edx, 1
xor ecx, edx
mov dword [r8 + 0x9bc], ecx
lea r8, [r8 + 4]
sub r9, 1
jne 0x1400024b0
mov ebx, dword [rsp + 0x50]
jmp 0x1400025cd
cmp ebx, 0x4e0
jb 0x1400025cd
xor r8d, r8d
mov eax, dword [rbp + r8*4 + 0x914]
mov edx, eax
xor edx, dword [rbp + r8*4 + 0x918]
btr edx, 0x1f
xor edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 + 0xf48]
shr edx, 1
xor ecx, edx
mov dword [rsp + r8*4 + 0x54], ecx
inc r8
cmp r8, 0xe3
jb 0x140002501
mov r8d, 0xe3
nop word [rax + rax]
mov eax, dword [rbp + r8*4 + 0x914]
mov edx, eax
xor edx, dword [rbp + r8*4 + 0x918]
btr edx, 0x1f
xor edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [rbp + r8*4 - 0x438]
shr edx, 1
xor ecx, edx
mov dword [rsp + r8*4 + 0x54], ecx
inc r8
cmp r8, 0x26f
jb 0x140002550
mov edx, dword [rbp + 0x12d0]
and edx, 0x80000000
mov eax, dword [rsp + 0x54]
btr eax, 0x1f
or edx, eax
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
shr edx, 1
xor ecx, edx
xor ecx, dword [rbp + 0x584]
mov dword [rbp + 0x910], ecx
xor ebx, ebx
mov dword [rsp + 0x50], ebx
mov eax, ebx
mov edx, dword [rsp + rax*4 + 0x54]
inc ebx
mov dword [rsp + 0x50], ebx
mov eax, edx
shr eax, 0xb
and eax, dword [rbp + 0x12d4]
xor edx, eax
mov eax, edx
and eax, 0xff3a58ad
shl eax, 7
xor edx, eax
mov eax, edx
and eax, 0xffffdf8c
shl eax, 0xf
xor edx, eax
mov ecx, edx
shr ecx, 0x12
xor ecx, edx
jmp 0x14000264c
lea ebx, [r13 + 1]
lea rcx, [rsp + 0x50]
call fcn.140003d60
mov edi, ebx
mov ecx, eax
imul rcx, rdi
cmp ecx, ebx
jae 0x140002644
mov eax, ebx
neg eax
xor edx, edx
div ebx
mov ebx, edx
cmp ecx, edx
jae 0x140002644
nop
lea rcx, [rsp + 0x50]
call fcn.140003d60
mov ecx, eax
imul rcx, rdi
cmp ecx, ebx
jb 0x140002630
shr rcx, 0x20
mov ebx, dword [rsp + 0x50]
lea rdx, [rsp + 0x30]
cmp r12, 0xf
cmova rdx, r15
movsxd rax, ecx
movzx r9d, byte [rax + rdx]
mov rcx, qword [rsi + 0x10]
mov rdx, qword [rsi + 0x18]
cmp rcx, rdx
jae 0x14000268d
lea rax, [rcx + 1]
mov qword [rsi + 0x10], rax
mov rax, rsi
cmp rdx, 0xf
jbe 0x140002682
mov rax, qword [rsi]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x140002695
mov rcx, rsi
call fcn.1400038d0
inc r14d
cmp r14d, 8
jb 0x140002490
cmp r12, 0xf
jbe 0x1400026dd
lea rdx, [r12 + 1]
mov rax, r15
cmp rdx, 0x1000
jb 0x1400026d5
add rdx, 0x27
mov r15, qword [r15 - 8]
sub rax, r15
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400026d5
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r15
call fcn.1400044c4
mov rax, rsi
mov rcx, qword [rbp + 0x12e0]
xor rcx, rsp
call fcn.140004460
lea r11, [rsp + 0x13f0]
mov rbx, qword [r11 + 0x38]
mov rsi, qword [r11 + 0x40]
mov rdi, qword [r11 + 0x48]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret