Network Tools

Astsu – A Network Scanner Tool

June 7, 2020
2 Min Read
Astsu - A Network Scanner Tool

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How it works

  • Scan common ports

Send a TCP Syn packet to the destination on the defined port, if the port is open, use an nmap scan to check the service running on the port and prints all the ports found.

  • Discover hosts in network

Uses as a base the router’s ip to map all possible ips. It then sends an ICMP packet to each IP, and waits for a response, if it receives any response saved in an array the IP of the online host, and when it finishes checking all hosts, prints all hosts online.

  • OS Scan

Sends an ICMP packet to the destination and waits for a response. Then, extracts the TTL from the destination response and checks the possible OS in a list, if have founded, prints it.

How to install
Clone this repository git clone https://github.com/ReddyyZ/astsu.git

  • Install python 3.
    • Linux
      • apt-get install python3
      • chmod +x *
      • python3 -m pip install -r requirements.txt
      • python3 install.py
      • Done!
    • Windows

Arguments

  • -sC | Scan common ports
    • -p | Protocol to use in the scan
    • -i | Interface to use
    • -t | Timeout to each request
    • -st | Use stealth scan method (TCP)
  • -sA | Scan all ports
    • -p | Protocol to use in the scan
    • -i | Interface to use
    • -t | Timeout to each request
    • -st | Use stealth scan method (TCP)
  • -sP | Scan a range ports
    • -p | Protocol to use in the scan
    • -i | Interface to use
    • -t | Timeout to each request
    • -st | Use stealth scan method (TCP)
  • -sO | Scan OS of a target
  • -d | Discover hosts in the network
    • -p | Protocol to use in the scan
    • -i | Interface to use

OS Support

  • Windows
  • Linux
  • Mac


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