$krb5asrep$svc-alfresco@htb.local:... Bingo. No pre-auth required. You copy the hash to a file and feed it to john :
After a few blind attempts, you remember a trick. Sometimes, you can bind anonymously to LDAP without credentials. You craft: forest hackthebox walkthrough
Target IP: 10.10.10.161 Your Machine: 10.10.14.x Phase 1: The Lay of the Land You fire up nmap like a cartographer charting unknown territory. The scan breathes life into the silent IP. $krb5asrep$svc-alfresco@htb
ldapsearch -H ldap://10.10.10.161 -x -b "DC=htb,DC=local" The output is a firehose of objects—users, groups, computers. You grep for cn=users and find something delicious: . You filter for userAccountControl values that don’t require Kerberos pre-authentication. You copy the hash to a file and
ldapsearch -H ldap://10.10.10.161 -x -b "DC=htb,DC=local" "(userAccountControl:1.2.840.113556.1.4.803:=4194304)" dn No immediate hits. But you notice a service account: svc-alfresco . It stands out. No special flags, but it's a low-priv user with a known pattern—often reused passwords. You decide to try AS-REP Roasting anyway, just in case. Using GetNPUsers.py from Impacket:
The forest is dark, but the path is always there. You just have to know which trees to knock on.
echo "10.10.10.161 forest.htb.local htb.local" >> /etc/hosts First, you try enum4linux . It's polite but fruitless—null sessions are disabled. So you turn to the sharpest knife in the AD drawer: ldapsearch .