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+# Passive
+
+### Introduction
+
+Information gathering is one of the most important steps during a pentest, it can be considered the longest step.
+
+### Objective
+
+The goal of this project is for you to become more comfortable with open source investigative methods
+
+### Advice
+
+Before asking help, ask yourself if you have really thought about all the possibilities.  
+https://en.kali.tools/all/?category=recon  
+https://github.com/topics/osint-tools  
+https://en.wikipedia.org/wiki/Open-source_intelligence  
+https://en.wikipedia.org/wiki/Doxing
+
+### Guidelines
+
+You are going here to create your first passive recognition tool, you have the choice of language, however your program will have to recognize the information entered (FULL NAME, IP, @login).
+
+For the case of the full name, it will have to recognize the entry: "Last name" and "First name", and then look in the directories for the telephone number and the address.
+
+If it is the IP address, your tool should display at least the city and the name of the internet service provider.
+
+If it is a username, your tool will have to check if this username is used in at least 5 known social networks.
+
+The result should be stored in a result.txt file (result2.txt if the file already exists)
+
+### Bonus
+
+You can add more API features
+
+### Usage
+
+```
+$> passive --help
+
+Welcome to passive v1.0.0
+
+OPTIONS:
+    -fn         Search with full-name
+    -ip         Search with ip address
+    -u          Search with username
+
+$> passive -fn "Jean Dupont"
+First name: Jean
+Last name: Dupont
+Address: 7 rue du Progrès
+75016 Paris
+Number: +33601010101
+Saved in result.txt
+
+$> passive -ip 127.0.0.1
+ISP: FSociety, S.A.
+City Lat/Lon:	(13.731) / (-1.1373)
+Saved in result2.txt
+
+$> passive -u "@user01"
+Facebook : yes
+Twitter : yes
+Linkedin : yes
+Instagram : no
+Skype : yes
+Saved in result3.txt
+```
+
+### Submission and audit
+
+Files that must be inside your repository:
+
+- Your program source code.
+- A README.md file, which clearly explains how to use the program.
+
+Don’t hesitate to double-check the names of your folders and files to ensure they are correct!
+
+> ⚠️ These methods and tools are for educational purposes only, so that you have a better understanding of how to protect against similar vulnerabilities. You must ensure that you do not attempt any exploit-type activity without the explicit permission of the owner of the machine, system or application. Failure to obtain permission risks breaking the law.
diff --git a/subjects/cybersecurity/passive/audit/README.md b/subjects/cybersecurity/passive/audit/README.md
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+#### General
+
+###### Is the student able to explain clearly the used investigative methods?
+
+###### Is the student able to explain clearly what OSINT means?
+
+###### Is the student able to explain clearly how his program works?
+
+##### Check the Repo content
+
+Files that must be inside your repository:
+
+- Your program source code.
+
+- A README.md file, which clearly explains how to use the program.
+
+###### Are the required files present?
+
+##### Ask the student to present his program to you by doing 3 tests
+
+###### Is the information entered as an argument a full name, an IP address, and a username?
+
+##### Try flag "-fn" with the following command `passive -fn "Jean Dupont"`
+
+###### Does the program display the address, and the telephone number for the full name entered?
+
+##### Try flag "-ip" with the following command `passive -ip 127.0.0.1`
+
+###### Does the program display the ISP, and position for the entered IP address?
+
+##### Try flag "-u" with the following command `passive -u "@user01"`
+
+###### Does the program check if the user entered is present in is present in at least 5 social networks?
+
+###### Does the program retrieve this information from a public source?
+
+###### Does the program save the result of each command in a result.txt file?
+
+###### If the result.txt file already exists is a new file created?