Function at 0x14001e840
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.14009c8a0
sub rsp, rax
mov rax, qword [0x1400cd0c0]
xor rax, rsp
mov qword [rbp + 0x12e0], rax
mov r14, rcx
mov qword [rsp + 0x28], rcx
mov dword [rsp + 0x24], 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.0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ
lea rcx, [rsp + 0x30]
call fcn.14001c620
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 0x14001e8e0
mov edi, 0x270
mov dword [rsp + 0x50], edi
mov r13d, dword [rsp + 0x40]
dec r13d
xorps xmm0, xmm0
movups xmmword [r14], xmm0
mov qword [r14 + 0x10], 0
mov qword [r14 + 0x18], 0
xor r8d, r8d
lea rdx, [0x1400ad076]
mov rcx, r14
call fcn.14001c620
mov dword [rsp + 0x24], 1
mov r12d, reloc.WLDAP32.dll_Ordinal_30
mov r15, qword [rsp + 0x30]
movzx ebx, byte [rsp + 0x20]
cmp r13d, 0xffffffff
jne 0x14001eae2
cmp edi, 0x270
jne 0x14001e9b2
lea r8, [rsp + 0x58]
mov r9d, edi
nop dword [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 0x14001e970
mov edi, dword [rsp + 0x50]
jmp 0x14001eaa8
cmp edi, 0x4e0
jb 0x14001eaa8
xor r8d, r8d
lea r9, [rbp + 0x914]
lea r10, [rbp + 0xf48]
lea r11, [rsp + 0x54]
nop dword [rax]
nop dword [rax + rax]
mov edx, dword [r9 + r8*4]
xor edx, dword [rbp + r8*4 + 0x918]
btr edx, 0x1f
xor edx, dword [r9 + r8*4]
mov eax, edx
and al, 1
neg al
sbb ecx, ecx
and ecx, 0x9908b0df
xor ecx, dword [r10 + r8*4]
shr edx, 1
xor ecx, edx
mov dword [r11 + r8*4], ecx
inc r8
cmp r8, 0xe3
jb 0x14001e9e0
mov r8d, 0xe3
lea r9, [rbp + 0x918]
lea r10, [rsp + 0x54]
nop dword [rax]
mov eax, dword [rbp + r8*4 + 0x914]
mov edx, eax
xor edx, dword [r9 + r8*4]
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 [r10 + r8*4], ecx
inc r8
cmp r8, 0x26f
jb 0x14001ea30
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 edi, edi
mov dword [rsp + 0x50], edi
mov eax, edi
mov edx, dword [rsp + rax*4 + 0x54]
inc edi
mov dword [rsp + 0x50], edi
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 0x14001eb2c
lea edi, [r13 + 1]
lea rcx, [rsp + 0x50]
call fcn.14003f6b0
mov esi, edi
mov ecx, eax
imul rcx, rsi
cmp ecx, edi
jae 0x14001eb24
mov eax, edi
neg eax
xor edx, edx
div edi
mov edi, edx
cmp ecx, edx
jae 0x14001eb24
nop word [rax + rax]
lea rcx, [rsp + 0x50]
call fcn.14003f6b0
mov ecx, eax
imul rcx, rsi
cmp ecx, edi
jb 0x14001eb10
shr rcx, 0x20
mov edi, dword [rsp + 0x50]
lea rdx, [rsp + 0x30]
mov r8, qword [rsp + 0x48]
cmp r8, 0xf
cmova rdx, r15
movsxd rax, ecx
movzx r9d, byte [rax + rdx]
mov rcx, qword [r14 + 0x10]
mov rdx, qword [r14 + 0x18]
cmp rcx, rdx
jae 0x14001eb72
lea rax, [rcx + 1]
mov qword [r14 + 0x10], rax
mov rax, r14
cmp rdx, 0xf
jbe 0x14001eb67
mov rax, qword [r14]
mov byte [rax + rcx], r9b
mov byte [rax + rcx + 1], 0
jmp 0x14001eb88
movzx r8d, bl
mov edx, 1
mov rcx, r14
call fcn.14001c720
mov r8, qword [rsp + 0x48]
sub r12, 1
jne 0x14001e951
cmp r8, 0xf
jbe 0x14001ebcc
lea rdx, [r8 + 1]
mov rax, r15
cmp rdx, 0x1000
jb 0x14001ebc4
add rdx, 0x27
mov r15, qword [r15 - 8]
sub rax, r15
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x14001ebc4
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3
mov rcx, r15
call fcn.14009bff0
mov rax, r14
mov rcx, qword [rbp + 0x12e0]
xor rcx, rsp
call fcn.14009bba0
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