Web application penetration testing

Reconocimiento y recolección de información

Web Application Firewall (WAF)

wafw00f <target>
nuclei -u <target> -t dns/dns-waf-detect.yaml,http/technologies/secui-waf-detect.yaml,http/technologies/waf-detect.yaml -ts -silent

Domain Name System (DNS)

dig any <target> @<dns-server>
dnsrecon -d <target>
gobuster dns -d <target> -w /usr/share/seclists/Discovery/DNS/subdomains-top1million-110000.txt -i -o gobuster-dns-subdomains.txt
nuclei -u <target> -t dns -ts -silent

Subdominios y Virtual Host (VHost)

# Subdominios
ffuf -u http://FUZZ.<target>/ -w /usr/share/seclists/Discovery/DNS/subdomains-top1million-110000.txt:FUZZ -c -o ffuf-subdomains.html -of html
# Virtual Host (VHost)
ffuf -u http://<target>/ -w <path-wordlist>:FUZZ -H 'Host: FUZZ.<target>' -fs <size> -c -o ffuf-vhost.html -of html

SSL/TLS y algoritmos de cifrados

sslscan <target>
nuclei -u <target> -t ssl -ts -silent

Tecnologías web

whatweb -v -a 1 <target>
nuclei -u <target> -t http/technologies -ts --silent

Otros

• Revisión de archivo robots.txt.

curl <target>/robots.txt

• Revisión de código fuente.

  • Meta tags de HTML.

  • Titulo y pie de página (footer).

  • Comentarios.

  • Funciones y endpoints/APIs en archivos JavaScript.

• Google hacking / dorks.

Escaneo y enumeración

HTTP security headers

shcheck.py -i -k <target>
nuclei -u <target> -t http/misconfiguration/http-missing-security-headers.yaml -ts -silent

Redireccionamiento estricto de HTTP a HTTPS

nmap -sV -p 80,443 -n -Pn <host>
curl -I -l http://<target>
curl https://<target>

Crawling y spidering

echo 'http://<target>' | hakrawler | sort -u
cewl http://<target> -d 2 -m 5 -w wordlist-crawling-01.txt
cewl http://<target> -d 3 -m 3 -w wordlist-crawling-02.txt

Fuzzing

Fuzzing general.

# General
dirsearch -u http://<target>/ -o $(pwd)/dirsearch-fuzzing.txt
# Búsqueda recursiva
dirsearch -u http://<target>/ -o $(pwd)/dirsearch-fuzzing-recursive.txt -r

Fuzzing de directorios.

# Wordlist
ffuf -u http://<target>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/raft-large-directories.txt:FUZZ -c -mc all -fc 404 -o ffuf-fuzzing-directories.html -of html
# Wordlist crawling
ffuf -u http://<target>/FUZZ -w <wordlist-crawling.txt>:FUZZ -c -mc all -fc 404 -o ffuf-fuzzing-directories-crawling.html -of html

Fuzzing de archivos.

# Wordlist
ffuf -u http://<target>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/raft-large-files.txt:FUZZ -c -mc all -fc 404 -o ffuf-fuzzing-files.html -of html

Fuzzing por extensiones.

# Identificación de extensiones
ffuf -u http://<target>/indexFUZZ -w /usr/share/seclists/Discovery/Web-Content/web-extensions.txt:FUZZ -c -mc all -fc 404
# Wordlist + extensiones (.html, .js, .php, .jsp, .aspx)
ffuf -u http://<target>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/raft-large-words.txt:FUZZ -e .html,.js,.php,.jsp,.aspx -c -mc all -fc 404 -o ffuf-fuzzing-extensions.html -of html
# Wordlist + extensiones (ocultos / .txt, .config, .old, .bak, .inc)
ffuf -u http://<target>/FUZZ -w /usr/share/seclists/Discovery/Web-Content/raft-large-words.txt:FUZZ -e .txt,.config,.old,.bak,.inc -c -mc all -fc 404 -o ffuf-fuzzing-extensions-hidden.html -of html
# Wordlist crawling + extensiones
ffuf -u http://<target>/FUZZ -w <wordlist-crawling.txt>:FUZZ -e .html,.js,.php,.jsp,.aspx,.txt,.config,.old,.bak,.inc -c -mc all -fc 404 -o ffuf-fuzzing-crawling-extensions.html -of html

Escaneo automatizado

• Burp Suite Professional.

• Nuclei.

nuclei -u <target> -ts -silent

• OWASP Zed Attack Proxy (ZAP).

• Nessus.

Explotación

• API keys.
• Clickjacking.
• HTTP methods (verbs).
• Input data validation.
• HTTP Host header.
• Autenticación y autorización.
• Same-origin policy (SOP).
• Cross-site scripting (XSS).
• Cross-site request forgery (CSRF).
• File upload.
• Path traversal & file inclusion.
• Command injection.
• SQL injection (SQLi).
• NoSQL injection (NoSQLi).
• XML external entity (XXE) injection.
• CRLF injection.
• XPath injection.
• LDAP injection.
• PDF injection.
• Server-side template injection (SSTI).
• Server-side include (SSI) injection.
• Server-side request forgery (SSRF).
• Web cache poisoning.
• HTTP request smuggling.
• Web API.

  • GraphQL.
• Webservices.

  • Obtención de archivo WSDL.

  • Análisis de archivo WSDL para obtener información general sobre la estructura de cada operación y la existencia de métodos ocultos.

  • SOAPAction spoofing.

• Content Management System (CMS).

  • WordPress.
• Flash.