The adversary is attempting to keep their foothold. Persistence refers to strategies used by adversaries to maintain access to systems despite restarts, changing credentials, and other disruptions that may terminate their access.
Blind SQL injection vulnerability in the cookie header. Able to retrieve the contents of the table to obtain the username and password of administrator.
In order to gain root shell, we need to escalate our privilege from local user to root to have best permission on the current system. Privilege escalation could be exploit by different techniques depending on how the linux system is configured by system admin. Here, we can learn different techniques to obtain root shell.
Tabby is a linux box rate as easy. We need to get /etc/tomcat9/tomcat-users.xml file to collect credential through LFI. Then, we could upload WAR file to victim to gain initial shell. To move into ash shell, we have to crack the backup zip file. To escalate into root, we could abusing lxd group membership to obtain root privilege.
Blunder is a linux box rate as easy. We need to obtain credential of Bludit v3.9.2 by bruteforce login in order to get a shell. Then, enumerate Bludit files to get user password to switch user into hugo. From there, we could abuse sudo vulnerability to gain root shell.
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Monteverde was an Active Directory box that requires enumerating user accounts via smb then bruteforce smb login via msf module to log in as user shell. Then we find more credentials by enumerating the machine and abusing Azure Admin to retrieve plain text credential in order to gain Admin shell.