1
Q
Linux command “echo”
A
Output any text we provide
2
Q
Linux command “whoami”
A
Find out what user we are currently logged in as
3
Q
Linux command “ls”
A
Listing
4
Q
Linux “cd”
A
Change directory
5
Q
Linux “pwd”
Print working directory
Password
Print winhex directory
Power dns
A
Print working directory
6
Q
Ctrl l
Intercepta message
Clears terminal
Copies terminal
Scans terminal
A
Clears terminal
7
Q
Linux command to locate a specific file
Find
Echo
Whoami
Grep
A
Find
8
Q
(*) would be used if we want to find a file that has every extension of “.text” or any extension of what we may look for
A
True
9
Q
Linux command that allows us to search the contents of files for specific values that we are looking for
Cat
Grep
(*)
Find
A
Grep
10
Q
What Linux command would you use if you wanted to see everything IP address “81.143.211.90” has visited from a web server’s access log?
Ls
Find
Grep
Cat
A
grep “81.143.211.90” access.log
11
Q
Operator that allows you to run commands in the background of your terminal
Cd
..
&
>
A
&
12
Q
Operator allows you to combine multiple commands together in one line of your terminal
Cd
..
&&
>
A
&&
13
Q
Operator that is a redirector that takes the out put from a command (like cat) and directing it elsewhere
Cd
&
&&
>
A
>
14
Q
> > does the same function of > operator but appends the output rather than replacing (meaning nothing is overwritten)
A
True
15
Q
SSH, username and ip address are the steps to what?
A
Log into a remote machine using ssh
SSH tryhackme@10.10.100.104
16
Q
Lists possible options that the command accepts and provides a brief example on how to use
- -help
-a
Cd
Echo
A
- -help
17
Q
Source of information for system commands and applications available on a Linux machine
Ls
Man
- -help
Echo
A
man (manual)
Man ls
18
Q
Flag to display output in a human readable way
man
Ls
-h
- -h
A
-h
19
Q
Create file
Touch
Mkdir
Cp
Mv
A
Touch
20
Q
Create a folder in Linux
Touch
Mkdir
Cp
Mv
A
Mkdir
21
Q
Copy a file or folder
Touch
Mkdir
Cp
Mv
A
Cp
22
Q
Move a file or folder Linux command
Touch
Mkdir
Cp
Mv
A
Mv
23
Q
Linux command to remove a file or folder
Rm
Mv
Mkdr
Ctrl l
A
Rm
24
Q
Determines the type of of file
Touch
Mkdir
Cp
File
A
File
25
How would you create a file named “note” in Linux?
Mkdr
Touch
Find
Grep
touch note
26
How would you remove a file named note in Linux?
rm note
rm -R mydirectory
To remove a specific directory
27
How would you copy note to note2 in Linux?
cp note note2
28
How do you rename a file or folder in Linux from note2 to note 3?
mv note2 note3
29
In Linux how would you switch to user?
Su
Wget
Nano
Ps
Su user2
30
Displays a list of files and directories with additional information for items like permissions, owner, links etc
-l
-cd
-pwd
-n
-l ls
31
Most important root directory, common place location to store system files used by os
Passwd
/etc
Shadow
/var
/etc
32
Main root folders found on Linux install. Stores data that is written by services or apps running on the system
Passwd
/var
/etc
/root
/var
Data not associated with a specific user is here
33
Home for root system user. Home directory for root user
/tmp
/etc
/root
/var
/root
34
Unique root directory found on Linux install. Volatile and used to store data only needed to be accessed a couple times. Similar to ram on a computer
/tmp
/etc
/root
/var
/tmp
35
Simple text editor in a Linux terminal
Nano
36
Linux text editor for a terminal with the following features: searching for text, copying/pasting, jumping to a line number, finding out what line number you are on
Nano
Apt
Display settings
Su
Nano
37
Ctrl X exits out of nano in Linux terminal
True
38
Advanced text editor:modify keyboard short cuts, syntax highlighting (writing code), universal
Nano
VIM
>
>>
VIM
39
Linux command that allows us to download files from the web via http
Nano
Wget
Scp
Curl
Wget
40
Linux command that allows transfer of files securely through ssh
Vim
Nano
Scp
Wget
Scp
Secure copy
41
Put in order with Scp for copying a file from our machine to a remote machine
Ip of remote system
User on remote system
Name of file on local system
Name we wish to store file as
Name of file on local system
User on remote system
Ip of remote system
Name we wish to store file as
42
Provides list of running processor as our users session and additional information such as status code, session of code, cpu usage, name of program or command executed
Ps
Wget
Http server
Python3
Ps
43
Sigterm kills process without cleanup tasks before hand
False, Sigkill
Sigterm does with cleanup before
44
Manages a users processes and sits in between the os and user
Kill
Systemd
Ps
/vim
Systemd
45
Command that allows to interact with the systemd process/daemon
Ps
Ls
Systemctl
[option]
Systemctl
46
What are the 4 options of Systemctl
Start, stop, enable, disable
47
Force a process to background
Ctrl z
Wget
Ps
Ctrl l
Ctrl z
48
How to put something from background into fore ground
Ps
Fg
Sigterm
Sigkill
Fg
49
Confirms what process is running
Fg
Rm
Ps aux
Touch
Ps aux
50
Special file with formatting by Cron process to execute each line step by step
Ps aux
File
Touch
crontab
Crontab
51
Min, hour, dom (day of month), mon (month of year), Dow (day of week), cmd are specific values for what?
Crontab
Ps aux
Ps
Touch
Crontab
52
Crontab * is used if we do not wish to provide a value for a specific field
True
53
Edit a crontab with nano
Crontab -x
Crontab -e
Ps aux
Mv
Crontab -e
54
Command used to install software on Ubuntu system. Whole suite of tools to manage packages of software
Apt
Sudo
Wget
Echo
Apt
55
In windows you click here to change the screens resolution in case you have multiple computer screens
Wget
Crontab
Display settings
Ctrl z
Display settings
56
In windows you click here to change the screens resolution in case you have multiple computer screens
Display settings
Mv
Crontab -e
Apt
Display settings
57
Change wallpaper in windows is personalize
Trye
58
Holds important files that are critical for os
System32
Appv
C drive
C:\Windows
System32
59
Environment variables, system variables for windows directory
Appv
%windir%
System32
Identityctrl
%windir%
60
Utility user for advanced troubleshooting and purpose is to help diagnose start up issues
Msconfig
Apt
Ps aux
Ls
Msconfig
61
Switch that keys you change the interval of ping requests
-h
-i
Nano
Apt
-i
62
Where would you go to see ping commands and what each does?
Ls help
-h
Man ping
Pwd
Man ping
63
How would you do a syn scan with Nmap?
Pwd
Nano
Systemctrl32
Nmap -sS
Nmap -sS
Nmap -h or man nmap to learn different nmap scans
64
The 3 below are associated with what tool?
TCP Connect Scans (-sT)
Syn “Half-open” Scans
UDP Scans (-sU)
Basic nmap scans
65
What does it mean if nmap sends a tcp syn and receives nothing back?
The port is being protected by a firewall and is considered “filtered”
66
What will nmap receive back from a port to know that the port is closed?
RST (Reset)
67
True or false? syn scans (stealth scans) send back a rst tcp packet after receiving a syn/ack from the server
True
68
Name an advantage of a stealth scan (-sS)
Check to see if a port is open without establishing a connection so it can remain invisible from logs
69
Switch for an nmap UDP scan is what?
-su
-sn
-st
-sx
-sU
70
How would you run an nmap scan for the top 20 most commonly used UDP ports?
nmap -s - - top ports 20
71
This nmap scan is used when the tcp request is sent with no flags set at all
sN
sT
sU
-h
NULL scan (-sN)
72
This nmap scan works in similar fashion to bill scan but instead of sending an empty packet, a request is sent with the FIN flag (to close an active connection)
sU
sF
sN
sT
Fin scan (-sF)
73
This nmap scan sends a malformed tcp packet and expects a rst response for closed ports. The flags it sets (psh, urg and fin) blink when looked at in wire shark
sF
sN
sT
sX
Xmas scan (-sX)
74
Seeing which ip addresses contain active hosts and which don’t for a map of network structures you would use what?
Enumerator
Ping sweep
Nano
Apt
Ping sweep
75
How would you ping sweep on 172.16.x.x using nmap?
Nmap -sn 172.16.0.0/16
76
Nmap Scripting Engine NSEto scan for vulnerabilities
Vuln
Vism
Auth
Ps
vuln
77
Nmap Scripting Engine NSE to attempt to bypass authentication for running services
Auth
Wget
Ps
Http server
Auth
78
Nmap Scripting Engine NSE attempt to query running services for further information about the network
Auth
Discovery
Wget
Ps
Discovery
79
Nmap Scripting Engine NSE that is not safe and will likely affect the target
Discovery
Auth
Ps
Intrusive
Intrusive
80
How would you run a script on http-fileupload-exploiter
- - script=http-fileupload-exploiter
81
How would you run a script for both smb-enum-users and smb-enum-shares?
- - script=smb-enum-users, smb-enum-shares
82
Where would you find installed scripts?
/usr/share/nmap/scripts/script.db
83
Windows default firewall will block all ICMP packets. T or False
True
84
How would you tell Nmap not to ping the host before scanning?
Nano
-Pn
Su
Ps aux
-Pn
85
This tool is used to enumerate SMB shares on both Wi does and Linux systems. Quickly extracts from target SMB
Smb
-Pn
Enum4linux
Nano
Enum4Linux
86
What command would you use if you wanted a full basic enumeration? Use 10.10.157.121
Enum4linux -a 10.10.157.121
87
enum4linux get user list is -M
False, -U
-M is get machine list
88
-S I’d get sharelist for enum4linux
True,
-N I’d get name list dump
89
Enum4linux get group and member list is -P
False, -G
-P is password policy information
90
Smbclient //[IP]/[SHARE] -U [name]
Specify user
Finds file
Ip name
Port number
Specify user
91
Smbclient //[IP]/[SHARE] -p [port]
Specify the port
92
What is telnet 10.10.10.3 23
Telnet command
Telnet ip port#
93
Type of shell in which a target machine communicates back to the attacking machine. Attack machine has a listening port
Reverse shell
94
In active ftp the client opens a port and listens. The server is required to actively connect to it
True
In passive ftp the server opens a port and listens and the client connects to it
95
How would you tell nmap to scan only port 80?
-p 80
96
How would you tell which user logged in last?
Event viewer-windows log-security
97
Net user does what?
Shows what users are on
98
Allows a system to share directories and files with others over a network to access remote systems like local files
NFS
/etc
Mkdr
/var
Network file system
99
Process allows an NFS client to interact with a remote directory like it’s a physical device
NFS
Mounting
Touch
Enum4linux
Mounting
100
Process which establishes an active connection to the target hosts to discover potential attack vectors in the system and to learn exploiting a system
NFS
Mounting
Touch
Enumeration
Enumeration
101
Key to interacting with any nfs is
NFS-approval
Mounting
Touch
NFS-common
nfs-common
102
Most useful nfs commands to extracting information from nfs?
Mkdr
Enum4linux
Showmount
Mount.nfs
Showmount and Mount.nfs
103
On nfs shares this prevents anyone connecting to the nfs share from having root access to the nfs volume
Mounting
Enum4linux
Root squashing
/var
Root squashing
104
Files can be run with the permissions of the files owner/group. Super user
Mounting
Root squashing
Su
SUID
SUID
105
Upload files to nfs share and control permissions of files. We set permissions
Mounting
Root squashing
Method
SUID
Method
106
Actions to gain what?
NFS access-gain low privilege shell-upload bash executable to nfs share-set SUID permissions for root squash-login SSH-execute SUID but bash-root access
Mounting
Root key
Root shell
SUID
Root shell
107
Scan a range of ip addresses and determine version of any mail servers it encounters
Smtp_version
Smtp_ip
Smtp_key
Smtp_root
Smtp_version
108
VRFY
EXPN
Confirm names of valid users
Actual address if users aliases and lists of email
109
What command replaces Netstat?
Ss
110
Omit search results that contain particular word or phrase
-
111
Search engine for devices connected to internet
Shodan
112
Censys focuses internet connected hosts, websites, certificates and other internet assets.
True
113
Allows user to upload files or urls to scan against antivirus engines or web scanners
Virustotal
Tryhackme
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