| \\[ip]\wwwroot: As with the lsaenumsid, it was possible to extract the SID but it was not possible to tell which user has that SID. To extract further information about that user or in case during the other enumeration the attacker comes into the touch of the SID of a user, then they cause to use the lookupsids command to get more information about that particular user. logonctrl2 Logon Control 2 It is also possible to add and remove privileges to a specific user as well. | Anonymous access: |_ https://technet.microsoft.com/en-us/library/security/ms06-025.aspx In general, the rpcclient can be used to connect to the SMB protocol as well. Can try without a password (or sending a blank password) and still potentially connect. 1098/1099/1050 - Pentesting Java RMI - RMI-IIOP. -s, --configfile=CONFIGFILE Use alternative configuration file |_smb-vuln-regsvc-dos: ERROR: Script execution failed (use -d to debug) | account_used: guest getprintprocdir Get print processor directory password: This can be extracted using the lookupnames command used earlier. It can be observed that the os version seems to . It can be used on the rpcclient shell that was generated to enumerate information about the server. change_trust_pw Change Trust Account Password S-1-5-21-1835020781-2383529660-3657267081-2003 LEWISFAMILY\user (2) Protocol_Description: Server Message Block #Protocol Abbreviation Spelled out. In this specific demonstration, there are a bunch of users that include Administrator, yashika, aarti, raj, Pavan, etc. querygroup Query group info --------------- ---------------------- --------------- ---------------------- rpcclient - Help - Penetration Test Resource Page -k, --kerberos Use kerberos (active directory) S-1-5-21-1835020781-2383529660-3657267081-1011 LEWISFAMILY\operator (2) LSARPC-DS setprintername Set printername During that time, the designers of the rpcclient might be clueless about the importance of this tool as a penetration testing tool. These commands should only be used for educational purposes or authorised testing. It can be used on the rpcclient shell that was generated to enumerate information about the server. setdriver Set printer driver rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-2003 Might ask for password. Beyond the enumeration I show here, it will also help enumerate shares that are readable, and can ever execute commands on writable shares. --------- ------- SRVSVC result was NT_STATUS_NONE_MAPPED [+] User SMB session establishd on [ip] | smb-enum-shares: You signed in with another tab or window. enumtrust Enumerate trusted domains rffpcnex Rffpcnex test SAMR New Folder - 6 D 0 Sun Dec 13 06:55:42 2015 In the demonstration presented, there are two domains: IGNITE and Builtin. so lets run rpcclient with no options to see whats available: SegFault:~ cg$ rpcclient nmap -p 139,445 --open -oG smb.txt 192.168.1.0/24, nmap --script smb-enum-shares -p 139,445 $ip, smbclient -L //10.10.10.3/ --option='client min protocol=NT1', # if getting error "protocol negotiation failed: NT_STATUS_CONNECTION_DISCONNECTED", SAMBA 3.x-4.x # vulnerable to linux/samba/is_known_pipename, SAMBA 3.5.11 # vulnerable to linux/samba/is_known_pipename, nmap --script=smb-enum* --script-args=unsafe=1 -T5 $ip, nmap --script=smb-vuln* --script-args=unsafe=1 -T5 $ip, nmap --script=smb2-capabilities,smb-print-text,smb2-security-mode.nse,smb-protocols,smb2-time.nse,smb-psexec,smb2-vuln-uptime,smb-security-mode,smb-server-stats,smb-double-pulsar-backdoor,smb-system-info,smb-vuln-conficker,smb-enum-groups,smb-vuln-cve2009-3103,smb-enum-processes,smb-vuln-cve-2017-7494,smb-vuln-ms06-025,smb-enum-shares,smb-vuln-ms07-029,smb-enum-users,smb-vuln-ms08-067,smb-vuln-ms10-054,smb-ls,smb-vuln-ms10-061,smb-vuln-ms17-010,smb-os-discovery --script-args=unsafe=1 -T5 $ip, nmap -p139,445 -T4 -oN smb_vulns.txt -Pn --script 'not brute and not dos and smb-*' -vv -d $ip, Windows NT, 2000, and XP (most SMB1) - VULNERABLE: Null Sessions can be created by default, Windows 2003, and XP SP2 onwards - NOT VULNERABLE: Null Sessions can't be created default.
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