Function at 0x4073ba
Capabilities:
Create pipe
Create process on windows
Create reverse shell
Create two anonymous pipes
Read file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x404]
sub esp, 0x484
mov eax, dword [0x428934]
xor eax, ebp
mov dword [ebp + 0x400], eax
mov eax, dword [ebp + 0x414]
mov dword [ebp - 0x14], eax
mov eax, dword [ebp + 0x418]
mov dword [ebp - 0x20], eax
mov eax, dword [ebp + 0x41c]
mov ecx, dword [eax]
push ebx
push esi
push edi
mov dword [ebp - 0x18], eax
mov esi, dword [sym.imp.KERNEL32.dll_CreatePipe]
xor ebx, ebx
mov dword [eax], ebx
xor eax, eax
lea edi, [ebp - 8]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
xor eax, eax
lea edi, [ebp - 0x10]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
mov edi, 0x200
push edi
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x10]
push eax
lea eax, [ebp - 8]
push eax
mov dword [ebp - 0x1c], ecx
mov dword [ebp - 0x2c], 0xc
mov dword [ebp - 0x28], ebx
mov dword [ebp - 0x24], 1
call esi
test eax, eax
je 0x4075d1
push edi
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0xc]
push eax
lea eax, [ebp - 4]
push eax
call esi
test eax, eax
je 0x4075d1
push 0x44
pop esi
push esi
lea eax, [ebp - 0x80]
push ebx
push eax
call fcn.0040a760
mov eax, dword [ebp - 8]
add esp, 0xc
push ebx
push 1
push dword [ebp - 0x10]
mov dword [ebp - 0x48], eax
mov eax, dword [ebp - 0xc]
mov dword [ebp - 0x80], esi
mov esi, dword [sym.imp.KERNEL32.dll_SetHandleInformation]
mov dword [ebp - 0x54], 0x100
mov dword [ebp - 0x44], eax
mov dword [ebp - 0x40], eax
call esi
push ebx
push 1
push dword [ebp - 4]
call esi
mov ax, word [0x427b14]
mov word [ebp], ax
mov eax, dword [ebp - 0x14]
mov eax, dword [eax]
mov esi, eax
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x4074a5
lea edi, [ebp]
sub eax, esi
dec edi
mov cl, byte [edi + 1]
inc edi
cmp cl, bl
jne 0x4074b2
mov ecx, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
mov eax, 0x427b18
rep movsb byte es:[edi], byte [esi]
mov esi, eax
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x4074cf
lea edi, [ebp]
sub eax, esi
dec edi
mov cl, byte [edi + 1]
inc edi
cmp cl, bl
jne 0x4074dc
mov ecx, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
xor edx, edx
mov ecx, eax
and ecx, 3
inc edx
rep movsb byte es:[edi], byte [esi]
cmp dword [ebp + 0x410], edx
jle 0x40755b
mov eax, 0x427b1c
mov esi, eax
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x407504
lea edi, [ebp]
sub eax, esi
dec edi
mov cl, byte [edi + 1]
inc edi
cmp cl, bl
jne 0x407511
mov ecx, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
mov eax, dword [ebp - 0x14]
mov eax, dword [eax + edx*4]
and ecx, 3
rep movsb byte es:[edi], byte [esi]
mov esi, eax
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x40752f
lea edi, [ebp]
sub eax, esi
dec edi
mov cl, byte [edi + 1]
inc edi
cmp cl, bl
jne 0x40753c
mov ecx, eax
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
inc edx
rep movsb byte es:[edi], byte [esi]
cmp edx, dword [ebp + 0x410]
jl 0x4074fd
lea eax, [ebp - 0x3c]
push eax
lea eax, [ebp - 0x80]
push eax
push ebx
push ebx
push ebx
push 1
push ebx
push ebx
lea eax, [ebp]
push eax
push ebx
call dword [sym.imp.KERNEL32.dll_CreateProcessA]
mov edi, eax
cmp edi, ebx
je 0x40758b
cmp dword [ebp - 0x3c], ebx
je 0x40758b
push 0xffffffffffffffff
push dword [ebp - 0x3c]
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push dword [ebp - 8]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0xc]
call esi
cmp edi, ebx
jne 0x4075a9
push dword [ebp - 0x10]
call esi
push dword [ebp - 4]
jmp 0x4075e9
push dword [ebp - 0x38]
call esi
push dword [ebp - 0x3c]
call esi
mov edi, dword [ebp - 0x20]
push ebx
push dword [ebp - 0x18]
push dword [ebp - 0x1c]
push edi
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_ReadFile]
mov eax, dword [ebp - 0x18]
mov eax, dword [eax]
mov byte [edi + eax], bl
jmp 0x40759f
push dword [ebp - 8]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 4]
call esi
push dword [ebp - 0x10]
call esi
push dword [ebp - 0xc]
call esi
mov ecx, dword [ebp + 0x400]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.00409e73
add ebp, 0x404
leave
ret