Function at 0x43c440
Capabilities:
Create a process with modified i/o handles and window
Create pipe
Create process on windows
Create process suspended
Create two anonymous pipes
Read file on windows
Read pipe

Disassembly:
mov qword [rsp + 0x20], rbx
push rbp
push rsi
push rdi
push r14
push r15
lea rbp, [rsp - 0x630]
sub rsp, 0x730
mov rax, qword [0x004fb010]
xor rax, rsp
mov qword [rbp + 0x620], rax
xor r15d, r15d
mov dword [rbp - 0x78], 0x18
mov rdi, r8
mov qword [rsp + 0x58], r15
mov r14, rdx
mov qword [rsp + 0x68], r15
mov rsi, rcx
mov qword [rsp + 0x50], r15
lea r8, [rbp - 0x78]
mov qword [rsp + 0x60], r15
lea rdx, [rsp + 0x68]
mov qword [rbp - 0x70], r15
lea rcx, [rsp + 0x58]
mov dword [rbp - 0x68], 1
xor r9d, r9d
mov ebx, r15d
call qword [sym.imp.api_ms_win_core_namedpipe_l1_1_0.dll_CreatePipe]
test eax, eax
jne 0x43c4ee
call qword [sym.imp.api_ms_win_core_errorhandling_l1_1_0.dll_GetLastError]
mov qword [rsp + 0x30], r15
xor r9d, r9d
mov r8d, eax
mov dword [rsp + 0x28], 0x400
xor edx, edx
mov qword [rsp + 0x20], rdi
mov ecx, 0x1000
mov ebx, eax
call qword [sym.imp.api_ms_win_core_localization_l1_2_0.dll_FormatMessageW]
jmp 0x43c767
mov rcx, qword [rsp + 0x58]
xor r8d, r8d
lea edx, [r8 + 1]
call qword [sym.imp.api_ms_win_core_handle_l1_1_0.dll_SetHandleInformation]
test eax, eax
je 0x43c4bc
xor r9d, r9d
lea r8, [rbp - 0x78]
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x50]
call qword [sym.imp.api_ms_win_core_namedpipe_l1_1_0.dll_CreatePipe]
test eax, eax
je 0x43c4bc
mov rcx, qword [rsp + 0x50]
xor r8d, r8d
lea edx, [r8 + 1]
call qword [sym.imp.api_ms_win_core_handle_l1_1_0.dll_SetHandleInformation]
test eax, eax
je 0x43c4bc
xor edx, edx
lea rcx, [rbp + 0x20]
mov r8d, 0x200
call fcn.004a2370
mov r9, rsi
mov qword [rsp + 0x20], r14
lea r8, str.__s____s_
mov edx, 0x100
lea rcx, [rbp + 0x20]
call fcn.00429370
mov edx, 0x7d
call fcn.0043c790
lea rcx, str.C:Usersjk_kanDesktopGerritSWMgrAsusSoftwareManagerAsusSoftwareManagerGiftBoxServiceGiftBoxServiceCommonMyHelper.cpp
mov r8d, 0x1e0
lea r9, str.CreateProcessAndWaitResult:__s
lea rdx, [rcx + rax*2]
mov ecx, 4
lea rax, [rbp + 0x20]
mov qword [rsp + 0x20], rax
call fcn.0044a600
xorps xmm1, xmm1
lea rdx, [rbp + 0x20]
xor eax, eax
movaps xmmword [rbp - 0x30], xmm1
mov qword [rbp - 0x80], rax
xorps xmm0, xmm0
movups xmmword [rbp - 0x60], xmm1
xor r9d, r9d
xor r8d, r8d
movups xmmword [rbp - 0x20], xmm1
xor ecx, ecx
mov dword [rbp - 0x60], 0x68
movups xmmword [rbp - 0x10], xmm1
mov word [rbp - 0x20], r15w
movups xmmword [rbp - 0x50], xmm1
movups xmmword [rbp - 0x40], xmm1
psrldq xmm1, 0xc
movd eax, xmm1
movups xmmword [rsp + 0x70], xmm0
or eax, 0x101
mov dword [rbp - 0x24], eax
mov rax, qword [rsp + 0x60]
mov qword [rbp], rax
mov rax, qword [rsp + 0x68]
mov qword [rbp - 8], rax
lea rax, [rsp + 0x70]
mov qword [rsp + 0x48], rax
lea rax, [rbp - 0x60]
mov qword [rsp + 0x40], rax
mov qword [rsp + 0x38], r15
mov qword [rsp + 0x30], r15
mov dword [rsp + 0x28], r15d
mov dword [rsp + 0x20], 1
call qword [sym.imp.api_ms_win_core_processthreads_l1_1_0.dll_CreateProcessW]
test eax, eax
je 0x43c4bc
mov rcx, qword [rsp + 0x70]
mov edx, 0xffffffff
call qword [sym.imp.api_ms_win_core_synch_l1_1_0.dll_WaitForSingleObject]
mov rcx, qword [rsp + 0x70]
call qword [sym.imp.api_ms_win_core_handle_l1_1_0.dll_CloseHandle]
mov rcx, qword [rsp + 0x78]
call qword [sym.imp.api_ms_win_core_handle_l1_1_0.dll_CloseHandle]
xor edx, edx
lea rcx, [rbp + 0x220]
mov r8d, 0x400
call fcn.004a2370
mov ecx, 0xfffffff5
call qword [sym.imp.api_ms_win_core_processenvironment_l1_1_0.dll_GetStdHandle]
mov rcx, qword [rsp + 0x50]
lea rax, [rbp + 0x10]
mov qword [rsp + 0x28], r15
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rax
xor edx, edx
mov dword [rbp + 0x10], r15d
call qword [sym.imp.api_ms_win_core_namedpipe_l1_1_0.dll_PeekNamedPipe]
cmp dword [rbp + 0x10], ebx
jbe 0x43c6cb
mov rcx, qword [rsp + 0x50]
lea r9, [rbp + 0x14]
mov r8d, 0x400
mov qword [rsp + 0x20], r15
lea rdx, [rbp + 0x220]
call qword [sym.imp.api_ms_win_core_file_l1_1_0.dll_ReadFile]
mov ebx, 0xffff
jmp 0x43c712
mov rcx, qword [rsp + 0x58]
lea rax, [rbp + 0x10]
mov qword [rsp + 0x28], r15
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rax
xor edx, edx
call qword [sym.imp.api_ms_win_core_namedpipe_l1_1_0.dll_PeekNamedPipe]
cmp dword [rbp + 0x10], ebx
jbe 0x43c712
mov rcx, qword [rsp + 0x58]
lea r9, [rbp + 0x14]
mov r8d, 0x400
mov qword [rsp + 0x20], r15
lea rdx, [rbp + 0x220]
call qword [sym.imp.api_ms_win_core_file_l1_1_0.dll_ReadFile]
mov dword [rsp + 0x28], r15d
lea r8, [rbp + 0x220]
mov r9d, 0xffffffff
mov qword [rsp + 0x20], r15
xor edx, edx
xor ecx, ecx
call qword [sym.imp.api_ms_win_core_string_l1_1_0.dll_MultiByteToWideChar]
lfence
xor edx, edx
lea r8, [rbp + 0x220]
xor ecx, ecx
mov r9d, 0xffffffff
cmp eax, 0x400
jbe 0x43c758
mov dword [rsp + 0x28], 0x400
jmp 0x43c75c
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rdi
call qword [sym.imp.api_ms_win_core_string_l1_1_0.dll_MultiByteToWideChar]
mov eax, ebx
mov rcx, qword [rbp + 0x620]
xor rcx, rsp
call fcn.00479310
mov rbx, qword [rsp + 0x778]
add rsp, 0x730
pop r15
pop r14
pop rdi
pop rsi
pop rbp
ret