Linux Command Line Hackery Series - Part 4

Welcome back to Linux Command Line Hackery, hope you have enjoyed this series so far. Today we are going to learn new Linux commands and get comfortable with reading text files on Linux.

Suppose that you wanted to view your /etc/passwd file. How will you do that? From what we have learned so far what you'll do is type:

cat /etc/passwd

And there you go, but really did you see all the output in one terminal? No, you just ended up with last few lines and you'll have to cheat (i,e use graphical scroll bar) in order to see all the contents of /etc/passwd file. So is there a command line tool in linux with which we can see all the contents of a file easily without cheating? Yes, there are actually a few of them and in this article we'll look at some common ones.

Command: more
Syntax:  more [options] file...
Function: more is a filter for paging through text one screenful at a time. With more we can parse a file one terminal at a time or line by line. We can also go backward and forward a number of lines using more.

So if we're to use more on /etc/passwd file how will we do that? We'll simply type

more /etc/passwd

now we'll get a screenful output of the file and have a prompt at the bottom of terminal. In order to move forward one line at a time press <Enter Key>. Using enter we can scroll through the file one line at a time. If you want to move one screen at a time, you can press <Space Key> to move one screen at a time. There are more functions of more program, you can know about them by pressing <h key>. To exit out of more program simply type <q key> and you'll get out of more program.

Command: less
Syntax: less [options] file...
Function: less is similar to more but less has more functionality than more. less is particularly useful when reading large files as less does not have to read the entire input file before starting, so it starts up quickly than many other editors.

less command is based on more so what you've done above with more can be done with less as well. Try it out yourself.

Command: head
Syntax: head [OPTION]... [FILE]...
Function: head command prints the head or first part of a file. By default head prints out first 10 lines of a file. If more than one file is specified, head prints first 10 lines of all files as a default behavior.

If we want to see only first 10 lines of /etc/passwd we can type:

head /etc/passwd

We can also specify to head how many lines we want to view by using the -n flag. Suppose you want to see first 15 lines of /etc/passwd file you've to type:

head -n 15 /etc/passwd

Ok you can view the first lines of a file what about last lines, is there a tool for that also? Exactly that's what our next command will be about.

Command: tail
Syntax: tail [OPTION]... [FILE]...
Function: tail is opposite of head. It prints the last 10 lines of a file by default. And if more than one file is specified, tail prints last 10 lines of all files by default.

To view last 10 lines of /etc/passwd file you'll type:

tail /etc/passwd

and as is the case with head -n flag can be used to specify the number of lines

tail -n 15 /etc/passwd

Now one more thing that we're going to learn today is grep.

Command: grep
Syntax: grep [OPTIONS] PATTERN [FILE...]
Function: grep is used to search a file for lines matching the pattern specified in the command.

A PATTERN can simply be a word like "hello" or it can be a regular expression (in geek speak regex). If you aren't familiar with regex, it's ok we'll not dive into that it's a very big topic but if you want to learn about it I'll add a link at the end of this article that will help you get started with regex.

Now back to grep say we want to find a line in /etc/passwd file which contains my user if we'll simply type:

grep myusername /etc/passwd

Wohoo! It gives out just that data that we're looking for. Remember here myusername is your username.
One cool flag of grep is -v which is used to look in file for every line except the line containing the PATTERN specified after -v [it's lowercase v].

Take your time practicing with these commands especially grep and more. We'll learn a lot more about grep in other upcoming articles.

References:
https://en.wikipedia.org/wiki/Regular_expression
http://www.regular-expressions.info/
Awesome website to learn Regular expressions - http://www.regexr.com/

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AutoNSE - Massive NSE (Nmap Scripting Engine) AutoSploit And AutoScanner

Massive NSE (Nmap Scripting Engine) AutoSploit and AutoScanner. The Nmap Scripting Engine (NSE) is one of Nmap's most powerful and flexible features. It allows users to write (and share) simple scripts (using the Lua programming language ) to automate a wide variety of networking tasks. Those scripts are executed in parallel with the speed and efficiency you expect from Nmap. Users can rely on the growing and diverse set of scripts distributed with Nmap, or write their own to meet custom needs. For more informations https://nmap.org/book/man-nse.html

Installation

$ git clone https://github.com/m4ll0k/AutoNSE.git
$ cd AutoNSE 
$ bash autonse.sh

Exmaples

$ bash autonse.sh

Download AutoNSE

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DOWNLOAD OCTOSNIFF 2.0.3 FULL VERSION – PLAYSTATION AND XBOX IP SNIFFER

OctoSniff is a network research tool that allows you to determine information about all the other players you're playing with. It is compatible with PS, XBox 360 and XBox One. It has many other features that make it a great sniffing tool. Some people think it might be a tool like Wireshark or Cain n Abel. No, it's not a tool like that. It simply sniffs players that let you know who's really playing. Download OctoSniff 2.0.3 full version. It's only for educational purposes to use.

FEATURES

• VPN Optimized
• Supports Wireless & Wired Spoofing
• Detects Geo IP and Complete Location
• Searches Usernames of Players in the Lobby
• Really easy to setup

DOWNLOAD OCTOSNIFF 2.0.3 FULL VERSION

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Social Engineering Pentest Professional(SEPP) Training Review

Intro:
I recently returned from the new Social Engineering training provided by Social-Engineer.org in the beautiful city of Seattle,WA, a state known for sparkly vampires, music and coffee shop culture.  As many of you reading this article, i also read the authors definitive book Social Engineering- The art of human hacking and routinely perform SE engagements for my clients. When i heard that the author of the aforementioned book was providing training i immediately signed up to get an in person glance at the content provided in the book. However, i was pleasantly surprised to find the course covered so much more then what was presented in the book.

Instructors:

• Chris Hadnagy the author of the book Social Engineering- The art of human hacking.
• Robin Dreeke the author of the book It's not all about me.

I wasn't aware that there would be more then one instructor and was extremely happy with the content provided by both instructors. Chris and Robin both have a vast amount of knowledge and experience in the realm of social engineering.  Each instructor brought a different angle and use case scenario to the course content. Robin is an FBI agent in charge of behavioral analysis and uses social engineering in his daily life and work to get the results needed to keep our country safe. Chris uses social engineering in his daily work to help keep his clients secure and provides all sorts of free learning material to the information security community through podcasts and online frameworks.



Course Material and Expectation: 
I originally thought that the material covered in class would be a live reiteration of the material covered in Chris's book. However, I couldn't have been more wrong !!  The whole first day was about reading yourself and other people, much of the material was what Robin uses to train FBI agents in eliciting information from possible terrorist threats. Each learning module was based on live demo's, nightly labs, and constant classroom interaction. Each module was in depth and the level of interaction between students was extremely useful and friendly. I would say the instructors had as much fun as the students learning and sharing social techniques and war stories.
The class was heavily made up of ways to elicit personal and confidential information in a way that left the individuatial "Happier for having met you".  Using language, body posture and social truisms as your weapon to gather information, not intended for your ears, but happily leaving the tongue of your target.
Other class activities and materials included an in depth look at micro expressions with labs and free extended learning material going beyond the allotted classroom days.  Also break out sessions which focused on creating Phone and Phishing scripts to effectively raise your rate of success. These sessions were invaluable at learning to use proper language techniques on the phone and in email to obtain your objectives.

Nightly Missions/Labs: 
If you think that you are going to relax at night with a beer. Think again!! You must ensure that your nights are free, as you will be going on missions to gain information from live targets at venues of your choice.  Each night you will have a partner and a mission to gain certain information while making that persons day better then it started.  The information  you are requested to obtain will change each night and if done properly you will notice all of the material in class starting to unfold.. When you get to body language training you will notice which targets are open and when its best to go in for the kill. You will see interactions change based on a persons change in posture and facial expressions. Each day you will take the new techniques you have learned and put them into practice. Each morning you have to report your findings to the class..
During my nightly labs i obtained information such as door codes to secured research facilities, information regarding secret yet to be released projects.  On the lighter side of things i obtained much personal information from my targets along with phone numbers and invitations for further hangouts and events. I made many new friends inside and outside of class.
There were also labs within the confines of the classroom such as games used to solidify your knowledge and tests to figure out what kind of learner you are. Technical labs on the use of information gathering tools and ways to use phone and phishing techniques to your advantage via linguistically and technologically. Essentially the class was about 60% interaction and labs.


Proof it works:
After class i immediately had a phishing and phone based contract at my current employment. I used the email and phone scripts that we created in class with 100% click rate and 100% success in phone elicitation techniques. Gaining full unfettered access to networks through phone and email elicitation and interaction. Although I do generally have a decent SE success rate, my rates on return are now much higher and an understanding of what works and what doesn't, and why are much more refined.


Conclusion and Certification:
I paid for this class out of pocket, including all expenses, hotels, rentals cars and planes etc etc. I would say that the class was worth every penny in which i paid for it. Many extras were given including black hat passes, extended training from notable sources and continued interaction from instructors after class ended. I would highly recommend this class to anyone looking for a solid foundation in social engineering or a non technical alternative to training.  You will learn a lot, push yourself in new ways and have a blast doing it. However I did not see any sparkly vampires while in seattle.... Twilight lied to me LOL
The certification is a 48 hour test in which you will utilize your knowledge gained technologically and socially to breach a company.I am not going to give away to much information about the certification as i haven't taken it yet and I do not want to misspeak on the subject. However I will say that social-engineer.org has done an excellent job at figuring out a way to include Real World Social Engineering into a test with verifiable proof of results. I am going to take my test in a couple weeks and it should be a blast!!!

Thanks and I hope this review is helpful to all those looking for SE training.  I had a blast :) :)Related articles

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Brutality: A Fuzzer For Any GET Entries

Brutalitys' Features

• Multi-threading on demand.
• Fuzzing, bruteforcing GET params.
• Find admin panels.
• Colored output.
• Hide results by return code, word numbers.
• Proxy support.
• Big wordlist.

Screenshots:

Brutality's Installtion

How to use Brutality?

Examples:
   Use default wordlist with 5 threads (-t 5) and hide 404 messages (–e 404) to fuzz the given URL (http://192.168.1.1/FUZZ):
python brutality.py -u 'http://192.168.1.1/FUZZ' -t 5 -e 404

   Use common_pass.txt wordlist (-f ./wordlist/common_pass.txt), remove response with 6969 length (-r 6969) and proxy at 127.0.0.1:8080 (-p http://127.0.0.1:8080) to fuzz the given URL (http://192.168.1.1/brute.php?username=admin&password=FUZZ&submit=submit#):
python brutality.py -u 'http://192.168.1.1/brute.php?username=admin&password=FUZZ&submit=submit#' -f ./wordlist/common_pass.txt -r 6969 -p http://127.0.0.1:8080

ToDo List:

• Smooth output.
• Export file report.
• Modularization.

Download Brutality

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RainbowCrack

"RainbowCrack is a general purpose implementation of Philippe Oechslin's faster time-memory trade-off technique. In short, the RainbowCrack tool is a hash cracker. A traditional brute force cracker try all possible plaintexts one by one in cracking time. It is time consuming to break complex password in this way. The idea of time-memory trade-off is to do all cracking time computation in advance and store the result in files so called "rainbow table". It does take a long time to precompute the tables. But once the one time precomputation is finished, a time-memory trade-off cracker can be hundreds of times faster than a brute force cracker, with the help of precomputed tables." read more...

Website: http://www.antsight.com/zsl/rainbowcrack

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DEFINATION OF HACKING

DEFINATION OF HACKING

Hacking is an attempt to exploit a  computer system vulnerabilities or a private network inside a computer to gain unauthorized acess.
Hacking is identifying and exploiting weakness in computer system and/ or computer networks for finding the vulnerability and loopholes.

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