Function at 0x140028b1c
Capabilities:
Create a process with modified i/o handles and window
Create pipe
Create process on windows

Disassembly:
mov qword [rsp + 8], rcx
push rbp
push rbx
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x98]
sub rsp, 0x198
xor edi, edi
mov r13, r8
mov rbx, rdx
lea esi, [rdi + 0x18]
lea rcx, [rsp + 0x78]
xor edx, edx
mov r8d, esi
mov r14d, r9d
lea r12d, [rdi + 0x20]
mov qword [rsp + 0x68], rdi
mov qword [rsp + 0x70], rdi
mov qword [rsp + 0x58], rdi
mov qword [rbp + 0xf0], rdi
mov qword [rsp + 0x50], rdi
mov qword [rsp + 0x60], rdi
mov dword [rbp + 0xf8], edi
call sub.msvcrt.dll_memset
mov dword [rsp + 0x78], esi
lea esi, [rdi + 0x68]
lea r15d, [rdi + 1]
lea rcx, [rbp - 0x50]
xor edx, edx
mov r8d, esi
mov qword [rbp - 0x80], rdi
mov dword [rbp - 0x78], r15d
call sub.msvcrt.dll_memset
mov dword [rbp - 0x50], esi
mov dword [rbp - 0x14], r15d
test r14b, 2
je 0x140028bbb
mov word [rbp - 0x10], di
lea r12d, [rdi + 0x30]
jmp 0x140028bc0
mov word [rbp - 0x10], r15w
mov esi, 0x100
test r14b, 0x40
je 0x140028bed
mov rax, qword [rbp + 0x100]
test rax, rax
je 0x140028bed
mov rcx, qword [rax + 0x18]
test rcx, rcx
je 0x140028bed
mov dword [rbp - 0x14], 0x101
mov qword [rbp], rcx
jmp 0x140028c2b
test r14b, 4
je 0x140028c36
test r14b, 0x10
je 0x140028c36
lea r8, [rsp + 0x78]
lea rdx, [rsp + 0x70]
lea rcx, [rsp + 0x68]
xor r9d, r9d
call qword [sym.imp.KERNEL32.dll_CreatePipe]
test eax, eax
je 0x140028c36
mov rax, qword [rsp + 0x68]
or dword [rbp - 0x14], esi
lea rcx, [rsp + 0x70]
mov qword [rbp], rax
call fcn.140028a68
mov dword [rbp + 0xf8], r15d
and r12d, 0xffffffef
mov eax, r14d
and eax, 4
mov dword [rbp + 0xe8], eax
je 0x140028cd2
test r14b, 8
je 0x140028c8f
lea r8, [rsp + 0x78]
lea rdx, [rbp + 0xf0]
lea rcx, [rsp + 0x58]
xor r9d, r9d
call qword [sym.imp.KERNEL32.dll_CreatePipe]
test eax, eax
je 0x140028c8f
mov rax, qword [rbp + 0xf0]
or dword [rbp - 0x14], esi
lea rcx, [rsp + 0x58]
mov qword [rbp + 8], rax
call fcn.140028a68
and r12d, 0xffffffef
mov dword [rbp + 0xf8], r15d
test r14b, 0x20
je 0x140028cd2
lea r8, [rsp + 0x78]
lea rdx, [rsp + 0x60]
lea rcx, [rsp + 0x50]
xor r9d, r9d
call qword [sym.imp.KERNEL32.dll_CreatePipe]
test eax, eax
je 0x140028cd2
mov rax, qword [rsp + 0x60]
or dword [rbp - 0x14], esi
lea rcx, [rsp + 0x50]
mov qword [rbp + 0x10], rax
call fcn.140028a68
and r12d, 0xffffffef
mov dword [rbp + 0xf8], r15d
test dword [rbp - 0x14], esi
je 0x140028d16
cmp qword [rbp], rdi
jne 0x140028cec
mov ecx, 0xfffffff6
call qword [sym.imp.KERNEL32.dll_GetStdHandle]
mov qword [rbp], rax
cmp qword [rbp + 8], rdi
jne 0x140028d01
mov ecx, 0xfffffff5
call qword [sym.imp.KERNEL32.dll_GetStdHandle]
mov qword [rbp + 8], rax
cmp qword [rbp + 0x10], rdi
jne 0x140028d16
mov ecx, 0xfffffff4
call qword [sym.imp.KERNEL32.dll_GetStdHandle]
mov qword [rbp + 0x10], rax
mov rax, qword [rbp + 0xe0]
lea r15, [0x1400ab7b0]
test rax, rax
mov rsi, r15
cmovne rsi, rax
test rbx, rbx
cmovne r15, rbx
mov rcx, rsi
mov qword [rbp + 0xe0], r15
call sub.msvcrt.dll_wcslen
mov rcx, r15
mov rbx, rax
call sub.msvcrt.dll_wcslen
mov rcx, qword [0x1400e8d80]
add rbx, rax
xor edx, edx
lea r8, [rbx*2 + 8]
call qword [sym.imp.KERNEL32.dll_HeapAlloc]
cmp word [rsi], 0x22
mov r15, rax
mov rcx, rax
je 0x140028d9d
lea rdx, [0x1400bf9ec]
call sub.msvcrt.dll_wcscpy
mov rdx, rsi
mov rcx, r15
call sub.msvcrt.dll_wcscat
lea rdx, [0x1400bf9ec]
mov rcx, r15
call sub.msvcrt.dll_wcscat
jmp 0x140028da5
mov rdx, rsi
call sub.msvcrt.dll_wcscpy
mov rbx, qword [rbp + 0xe0]
cmp word [rbx], di
je 0x140028dcb
lea rdx, [0x1400bf9f0]
mov rcx, r15
call sub.msvcrt.dll_wcscat
mov rdx, rbx
mov rcx, r15
call sub.msvcrt.dll_wcscat
test r13, r13
je 0x140028dde
movzx eax, word [r13]
neg ax
sbb rcx, rcx
and r13, rcx
lea rax, [rbp - 0x70]
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x48], rax
lea rax, [rbp - 0x50]
mov rdx, r15
mov qword [rsp + 0x40], rax
mov eax, dword [rbp + 0xf8]
mov qword [rsp + 0x38], r13
mov qword [rsp + 0x30], rdi
xor ecx, ecx
mov dword [rsp + 0x28], r12d
mov dword [rsp + 0x20], eax
call qword [sym.imp.KERNEL32.dll_CreateProcessW]
mov rcx, qword [rbp + 0xf0]
test eax, eax
je 0x140028ee1
test rcx, rcx
je 0x140028e34
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x68]
test rcx, rcx
je 0x140028e44
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x60]
test rcx, rcx
je 0x140028e54
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rbp - 0x68]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
test r14b, 1
je 0x140028e71
mov rcx, qword [rbp - 0x70]
or edx, 0xffffffff
call qword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [rbp + 0xe8], edi
je 0x140028ed8
lea rcx, [0x1400e9ac0]
call qword [sym.imp.KERNEL32.dll_EnterCriticalSection]
lea rcx, [0x1400e8f58]
mov edx, 0x40
call fcn.14003c324
lea rcx, [0x1400e9ac0]
mov rdi, rax
call qword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov rax, qword [rbp - 0x70]
mov qword [rdi], rax
mov eax, dword [rbp - 0x60]
mov dword [rdi + 8], eax
mov rax, qword [rsp + 0x58]
mov qword [rdi + 0x18], rax
mov rax, qword [rsp + 0x70]
mov qword [rdi + 0x10], rax
mov rax, qword [rsp + 0x50]
mov dword [rdi + 0x28], r14d
mov qword [rdi + 0x20], rax
jmp 0x14002905c
mov rcx, qword [rbp - 0x70]
jmp 0x140029051
test rcx, rcx
je 0x140028eec
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x58]
test rcx, rcx
je 0x140028efc
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x70]
test rcx, rcx
je 0x140028f0c
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x68]
test rcx, rcx
je 0x140028f1c
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x60]
test rcx, rcx
je 0x140028f2c
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, qword [rsp + 0x50]
test rcx, rcx
je 0x140028f3c
call qword [sym.imp.KERNEL32.dll_CloseHandle]
test r14b, 0x78
jne 0x14002905c
test r13, r13
jne 0x140028f8e
mov rcx, rsi
call sub.msvcrt.dll_wcslen
lea rbx, [rsi - 2]
lea rbx, [rbx + rax*2]
cmp rbx, rsi
jbe 0x140028f8e
cmp word [rbx], 0x5c
je 0x140028f6f
sub rbx, 2
cmp rbx, rsi
ja 0x140028f60
cmp rbx, rsi
jbe 0x140028f8e
mov rdx, rsi
mov rcx, r15
call sub.msvcrt.dll_wcscpy
sub rbx, rsi
mov r13, r15
sar rbx, 1
mov word [r15 + rbx*2 + 2], di
mov ebx, reloc.WS2_32.dll_WSASetLastError
lea rcx, [rbp + 0x20]
xor edx, edx
mov r8d, ebx
call sub.msvcrt.dll_memset
movzx eax, word [rbp - 0x10]
lea rcx, [rbp + 0x20]
mov dword [rbp + 0x50], eax
mov rax, qword [rbp + 0xe0]
mov dword [rbp + 0x20], ebx
mov dword [rbp + 0x24], 0x540
mov qword [rbp + 0x30], rdi
mov qword [rbp + 0x48], r13
mov qword [rbp + 0x40], rax
mov qword [rbp + 0x38], rsi
call qword [sym.imp.SHELL32.dll_ShellExecuteExW]
test eax, eax
je 0x14002905c
test r14b, 1
je 0x140028ff1
mov rcx, qword [rbp + 0x88]
or edx, 0xffffffff
call qword [sym.imp.KERNEL32.dll_WaitForSingleObject]
cmp dword [rbp + 0xe8], edi
je 0x14002904a
lea rcx, [0x1400e9ac0]
call qword [sym.imp.KERNEL32.dll_EnterCriticalSection]
lea rcx, [0x1400e8f58]
mov edx, 0x40
call fcn.14003c324
lea rcx, [0x1400e9ac0]
mov rbx, rax
call qword [sym.imp.KERNEL32.dll_LeaveCriticalSection]
mov rcx, qword [rbp + 0x88]
or dword [rbx + 8], 0xffffffff
mov qword [rbx + 0x18], rdi
mov qword [rbx + 0x10], rdi
mov qword [rbx + 0x20], rdi
mov qword [rbx], rcx
mov dword [rbx + 0x28], r14d
mov rdi, rbx
jmp 0x14002905c
mov rcx, qword [rbp + 0x88]
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, 1
mov rcx, qword [0x1400e8d80]
mov r8, r15
xor edx, edx
call qword [sym.imp.KERNEL32.dll_HeapFree]
mov rax, rdi
add rsp, 0x198
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbx
pop rbp
ret