Function at 0x14000be90
Capabilities:
Create a process with modified i/o handles and window
Create pipe
Create process on windows
Read file on windows

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
lea rbp, [rsp - 0xd0]
sub rsp, 0x1d0
mov rax, qword [0x14005e0c0]
xor rax, rsp
mov qword [rbp + 0xc0], rax
mov rdi, rdx
mov rbx, rcx
mov qword [rsp + 0x60], rcx
xor esi, esi
xorps xmm0, xmm0
movups xmmword [rbp + 0x18], xmm0
movdqa xmm1, xmmword [0x1400568c0]
movdqu xmmword [rbp + 0x28], xmm1
mov byte [rbp + 0x18], sil
mov dword [rbp - 0x80], 0x18
mov qword [rbp - 0x78], rsi
mov dword [rbp - 0x70], 1
xor r9d, r9d
lea r8, [rbp - 0x80]
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x58]
call qword [sym.imp.KERNEL32.dll_CreatePipe]
xorps xmm0, xmm0
test eax, eax
jne 0x14000bf6f
movups xmmword [rbx], xmm0
mov qword [rbx + 0x10], rsi
mov qword [rbx + 0x18], rsi
xor r8d, r8d
lea rdx, [0x14005644d]
mov rcx, rbx
call fcn.14001b320
nop
mov rdx, qword [rbp + 0x30]
cmp rdx, 0xf
jbe 0x14000c129
inc rdx
mov rcx, qword [rbp + 0x18]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14000bf65
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x14000c154
call fcn.1400226d0
jmp 0x14000c129
mov dword [rbp - 0x60], 0x68
movups xmmword [rbp - 0x58], xmm0
movups xmmword [rbp - 0x48], xmm0
movups xmmword [rbp - 0x38], xmm0
movups xmmword [rbp - 0x28], xmm0
movups xmmword [rbp - 0x18], xmm0
movups xmmword [rbp - 8], xmm0
mov dword [rbp - 0x24], 0x101
mov word [rbp - 0x20], si
mov rax, qword [rsp + 0x60]
mov qword [rbp - 8], rax
mov qword [rbp], rax
xor eax, eax
movups xmmword [rsp + 0x68], xmm0
mov qword [rsp + 0x78], rax
cmp qword [rdi + 0x18], 0xf
jbe 0x14000bfbc
mov rdi, qword [rdi]
lea rax, [rsp + 0x68]
mov qword [rsp + 0x48], rax
lea rax, [rbp - 0x60]
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x38], rsi
mov qword [rsp + 0x30], rsi
mov dword [rsp + 0x28], 0x8000000
mov dword [rsp + 0x20], 1
xor r9d, r9d
xor r8d, r8d
mov rdx, rdi
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_CreateProcessA]
mov rcx, qword [rsp + 0x60]
test eax, eax
jne 0x14000c078
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x58]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
xorps xmm0, xmm0
movups xmmword [rbx], xmm0
mov qword [rbx + 0x10], rsi
mov qword [rbx + 0x18], rsi
xor r8d, r8d
lea rdx, [0x14005644d]
mov rcx, rbx
call fcn.14001b320
nop
mov rdx, qword [rbp + 0x30]
cmp rdx, 0xf
jbe 0x14000c129
inc rdx
mov rcx, qword [rbp + 0x18]
mov rax, rcx
cmp rdx, 0x1000
jb 0x14000bf65
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x14000c154
jmp 0x14000bf65
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov qword [rsp + 0x20], rsi
lea r9, [rbp + 0x10]
mov r8d, 0x7f
lea rdx, [rbp + 0x40]
mov rcx, qword [rsp + 0x58]
call qword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x14000c0f9
mov eax, dword [rbp + 0x10]
cmp rax, 0x80
jae 0x14000c14e
mov byte [rbp + rax + 0x40], 0
lea rax, [rbp + 0x40]
mov r8, 0xffffffffffffffff
nop
inc r8
cmp byte [rax + r8], 0
jne 0x14000c0c0
lea rdx, [rbp + 0x40]
lea rcx, [rbp + 0x18]
call fcn.140018f10
mov qword [rsp + 0x20], rsi
lea r9, [rbp + 0x10]
mov r8d, 0x7f
lea rdx, [rbp + 0x40]
mov rcx, qword [rsp + 0x58]
call qword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
jne 0x14000c0a0
mov rcx, qword [rsp + 0x58]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x68]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x70]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
movups xmm0, xmmword [rbp + 0x18]
movups xmmword [rbx], xmm0
movups xmm1, xmmword [rbp + 0x28]
movups xmmword [rbx + 0x10], xmm1
mov rax, rbx
mov rcx, qword [rbp + 0xc0]
xor rcx, rsp
call fcn.1400226b0
mov rbx, qword [rsp + 0x200]
add rsp, 0x1d0
pop rdi
pop rsi
pop rbp
ret
call fcn.1400227e0
nop
call fcn.140030640
int3