SPOOLSS -V, --version Print version, Connection options: rpcclient $> netshareenum As from the previous commands, we saw that it is possible to create a user through rpcclient. Some of these commands are based on those executed by the Autorecon tool. Allow connecting to the service without using a password? Server Comment See the below example gif. getdispname Get the privilege name If proper privileges are assigned it also possible to delete a user using the rpcclient. | smb-vuln-ms06-025: remark: PSC 2170 Series SYSVOL READ ONLY, Enter WORKGROUP\root's password: result was NT_STATUS_NONE_MAPPED Metasploit SMB auxiliary scanners. Common share names for windows targets are, You can try to connect to them by using the following command, # null session to connect to a windows share, # authenticated session to connect to a windows share (you will be prompted for a password), "[+] creating a null session is possible for, # no output if command goes through, thus assuming that a session was created, # echo error message (e.g. rpcclient -U "" 192.168.1.100 rpcclient $> querydominfo . queryuseraliases Query user aliases shutdowninit Remote Shutdown (over shutdown pipe) During our previous demonstrations, we were able to enumerate the permissions and privileges of users and groups based on the RID of that particular user. rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-500 SegFault:~ cg$rpcclient -U "" 192.168.182.36 I tend to check: nbtscan. rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1012 S-1-5-21-1835020781-2383529660-3657267081-501 LEWISFAMILY\unknown (1) March 8, 2021 by Raj Chandel. The TTL drops 1 each time it passes through a router. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Example output is long, but some highlights to look for: ngrep is a neat tool to grep on network data. Obviously the SIDS are different but you can still pull down the usernames and start bruteforcing those other open services . rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1004 rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1005 rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1010 (MS)RPC - OSCP Playbook Nice! OSCP notes: ACTIVE INFORMATION GATHERING. Are you sure you want to create this branch? getdata Get print driver data At last, it can be verified using the enumdomusers command. | A buffer overflow vulnerability in the Routing and Remote Access service (RRAS) in Microsoft Windows 2000 SP4, XP SP1 It may be possible that you are restricted to display any shares of the host machine and when you try to list them it appears as if there aren't any shares to connect to. 445/tcp open microsoft-ds samlookuprids Look up names Which script should be executed when the script gets closed? Connect to wwwroot share (try blank password), Nmap scans for SMB vulnerabilities (NB: can cause DoS), Enumerate SNMP device (places info in readable format), Enumerate file privileges (see here for discussion of file_priv), Check if current user superuser (on = yes, off = no), Check users privileges over table (pg_shadow). getdriver Get print driver information guest access disabled, uses encryption. Enumerating Active Directory Using RPCClientInformation about password levels can be found using this MSDN article.https://docs.microsoft.com/en-us/openspecs. We have enumerated the users and groups on the domain but not enumerated the domain itself. SaAddUsers 0:65281 (0x0:0xff01) | Anonymous access: It is a software protocol that allows applications, PCs, and Desktops on a local area network (LAN) to communicate with network hardware and to transmit data across the network. enumdomgroups Enumerate domain groups rpcclient $> lookupnames lewis netname: ADMIN$ RID is a suffix of the long SID in a hexadecimal format. | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2370 NETLOGON NO ACCESS Since the user and password-related information is stored inside the SAM file of the Server. lsaquerysecobj Query LSA security object May need to run a second time for success. However, for this particular demonstration, we are using rpcclient. lsaaddacctrights Add rights to an account Nmap done: 1 IP address (1 host up) scanned in 10.93 seconds. object in the NAME_DOMAIN.LOCAL domain and you will never see this paired value tied to another object in this domain or any other. 139/tcp open netbios-ssn Thus it might be worth a short to try to manually connect to a share. S-1-5-21-1835020781-2383529660-3657267081-2003 LEWISFAMILY\user (2) This lab shows how it is possible to bypass commandline argument logging when enumerating Windows environments, using Cobalt Strike and its socks proxy (or any other post exploitation tool that supports socks proxying). Wordlist dictionary. rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1006 Cheatsheet. getprinter Get printer info ADMIN$ Disk Remote Admin Microsoft Remote Procedure Call, also known as a function call or a subroutine call, is a protocol that uses the client-server model in order to allow one program to request service from a program on another computer without having to understand the details of that computer's network. change_trust_pw Change Trust Account Password To do this first, the attacker needs a SID. The article is focused on Red Teamers but Blue Teamers and Purple Teamers can also use these commands to test the security configurations they deployed. | Disclosure date: 2017-03-14 Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. A tag already exists with the provided branch name. Usage: rpcclient [OPTION] | account_used: guest sinkdata Sink data Disk Permissions To enumerate these shares the attacker can use netshareenum on the rpcclient. yet another reason to adjust your file & printer sharing configurations when you take your computer on the road (especially if you share your My Documents folder), Yeah so i was bored on the hotel wirelesserrr laband started seeing who had ports 135, 139, 445 open. Hydra (http://www.thc.org) starting at 2007-07-27 21:51:46 Forbid the creation and modification of files? getdompwinfo Retrieve domain password info PWK Notes: SMB Enumeration Checklist [Updated] - 0xdf hacks stuff deldriver Delete a printer driver Checklist - Local Windows Privilege Escalation, Pentesting JDWP - Java Debug Wire Protocol, 161,162,10161,10162/udp - Pentesting SNMP, 515 - Pentesting Line Printer Daemon (LPD), 548 - Pentesting Apple Filing Protocol (AFP), 1098/1099/1050 - Pentesting Java RMI - RMI-IIOP, 1433 - Pentesting MSSQL - Microsoft SQL Server, 1521,1522-1529 - Pentesting Oracle TNS Listener, 2301,2381 - Pentesting Compaq/HP Insight Manager, 3690 - Pentesting Subversion (svn server), 4369 - Pentesting Erlang Port Mapper Daemon (epmd), 8009 - Pentesting Apache JServ Protocol (AJP), 8333,18333,38333,18444 - Pentesting Bitcoin, 9100 - Pentesting Raw Printing (JetDirect, AppSocket, PDL-datastream), 10000 - Pentesting Network Data Management Protocol (ndmp), 24007,24008,24009,49152 - Pentesting GlusterFS, 50030,50060,50070,50075,50090 - Pentesting Hadoop, Reflecting Techniques - PoCs and Polygloths CheatSheet, Dangling Markup - HTML scriptless injection, HTTP Request Smuggling / HTTP Desync Attack, Regular expression Denial of Service - ReDoS, Server Side Inclusion/Edge Side Inclusion Injection, XSLT Server Side Injection (Extensible Stylesheet Languaje Transformations), Pentesting CI/CD (Github, Jenkins, Terraform), Windows Exploiting (Basic Guide - OSCP lvl), INE Courses and eLearnSecurity Certifications Reviews, Stealing Sensitive Information Disclosure from a Web, (represented in hexadecimal format) utilized by Windows to. exit Exit program Shortcut to New Folder (2).lnk A 420 Sun Dec 13 05:24:51 2015 Enumeration - Adithyan's Blog help Get help on commands result was NT_STATUS_NONE_MAPPED Can try without a password (or sending a blank password) and still potentially connect. The tool that we will be using for all the enumerations and manipulations will be rpcclient. rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1015 rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1008 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. Custom wordlist. Copyright 2017 pentest.tonyng.net. OSCP Guide | Rikunj Sindhwad - Xmind rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-2003 135, 593 - Pentesting MSRPC - HackTricks {% code-tabs-item title="attacker@kali" %}. Running something like ngrep -i -d tap0 's.?a.?m.?b.?a. deldriverex Delete a printer driver with files RPC/SMB/NetBios exploiting tutorials : r/oscp - Reddit Next, we have two query-oriented commands. -s, --configfile=CONFIGFILE Use alternative configuration file password: Protocol_Name: SMB #Protocol Abbreviation if there is one. It contains contents from other blogs for my quick reference, * nmap -sV --script=vulscan/vulscan.nse (https://securitytrails.com/blog/nmap-vulnerability-scan), masscan -p1-65535,U:1-65535 --rate=1000 10.10.10.x -e tun0 > ports, ports=$(cat ports | awk -F " " '{print $4}' | awk -F "/" '{print $1}' | sort -n | tr '\n' ',' | sed 's/,$//'), nmap -Pn -sC -sV --script=vuln*.nse -p$ports 10.10.10.x -T5 -A, (performs full scan instead of syn-scan to prevent getting flagged by firewalls), From Apache Version to finding Ubuntu version -> ubuntu httpd versions, : Private key that is used for login. RPC or Remote Procedure Call is a service that helps establish and maintain communication between different Windows Applications. There are multiple methods to connect to a remote RPC service. It is possible to perform enumeration regarding the privileges for a group or a user based on their SID as well. PORT STATE SERVICE | Risk factor: HIGH It is also possible to manipulate the privileges of that SID to make them either vulnerable to a particular privilege or remove the privilege of a user altogether. 3. setprinter Set printer comment Password: SeSecurityPrivilege 0:8 (0x0:0x8) [+] IP: [ip]:445 Name: [ip] Curious to see if there are any "guides" out there that delve into SMB . C$ NO ACCESS This can be obtained by running the lsaenumsid command. --------------- ---------------------- Use `proxychains + command" to use the socks proxy. {% code-tabs-item title="attacker@cobaltstrike" %}, {% endcode-tabs-item %} There was a Forced Logging off on the Server and other important information. After enumerating groups, it is possible to extract details about a particular group from the list. smbclient (null session) enum4linux. schannelsign Force RPC pipe connections to be signed (not sealed) with 'schannel' (NETSEC). *[0-9a-z]' | tr -d '\n' & echo -n "$rhost: " &, echo "exit" | smbclient -L $rhost 1>/dev/null 2>/dev/null. You can indicate which option you prefer to use with the parameter, # Using --exec-method {mmcexec,smbexec,atexec,wmiexec}, via SMB) in the victim machine and use it to, it is located on /usr/share/doc/python3-impacket/examples/, #If no password is provided, it will be prompted, Stealthily execute a command shell without touching the disk or running a new service using DCOM via, #You can append to the end of the command a CMD command to be executed, if you dont do that a semi-interactive shell will be prompted, Execute commands via the Task Scheduler (using, https://www.hackingarticles.in/beginners-guide-to-impacket-tool-kit-part-1/, #Get usernames bruteforcing that rids and then try to bruteforce each user name, This attack uses the Responder toolkit to. . dsroledominfo Get Primary Domain Information | Comment: Remote Admin I create my own checklist for the first but very important step: Enumeration. Created with Xmind. This will extend the amount of information about the users and their descriptions. # lines. A NetBIOS name is up to 16 characters long and usually, separate from the computer name. GENERAL OPTIONS These may indicate whether the share exists and you do not have access to it or the share does not exist at all. OSCP Enumeration Cheat Sheet. Nmap scan report for [ip] S-1-5-21-1835020781-2383529660-3657267081-2002 LEWISFAMILY\user (1) 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. | Remote Code Execution vulnerability in Microsoft SMBv1 servers (ms17-010) | References: wwwroot Disk NETLOGON result was NT_STATUS_NONE_MAPPED Nmap scan report for [ip] First one - two Cobalt Strike sessions: Second - attacker opens a socks4 proxy on port 7777 on his local kali machine (10.0.0.5) by issuing: {% code-tabs %} rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1004 Adding it to the original post. can be cracked with, For passwordless login, add id_rsa.pub to target's authorized_keys, Add the extracted domain to /etc/hosts and dig again, rpcclient --user="" --command=enumprivs -N 10.10.10.10, rpcdump.py 10.11.1.121 -p 135 | grep ncacn_np // get pipe names, smbclient -L //10.10.10.10 -N // No password (SMB Null session), crackmapexec smb 10.10.10.10 -u '' -p '' --shares, crackmapexec smb 10.10.10.10 -u 'sa' -p '' --shares, crackmapexec smb 10.10.10.10 -u 'sa' -p 'sa' --shares, crackmapexec smb 10.10.10.10 -u '' -p '' --share share_name, crackmapexec smb 192.168.0.115 -u '' -p '' --shares --pass-pol, ncrack -u username -P rockyou.txt -T 5 10.10.10.10 -p smb -v, mount -t cifs "//10.1.1.1/share/" /mnt/wins, mount -t cifs "//10.1.1.1/share/" /mnt/wins -o vers=1.0,user=root,uid=0,gid=0.
Best Wide Receiver Coaches In College Football,
Articles R
rpcclient enumeration oscp