MujereSec101

Nmap Live Host Discovery - Notes The following shows steps that  Nmap  carries out to discover the systems that are online before port-scanning. This stage is crucial because trying to port-scan offline systems will only waste time and create unnecessary noise on the network. The ff. presents the different approaches that  Nmap  uses to discover live hosts. In particular: ARP  scan: This scan uses ARP requests to discover live hosts ICMP scan: This scan uses ICMP requests to identify live hosts TCP /UDP ping scan: This scan sends packets to TCP ports and UDP ports to determine live hosts. Let's also introduce two scanners,  arp-scan  and  masscan , and explain how they overlap with part of Nmap’s host discovery. We will use  Nmap  to discover systems and services actively. Nmap was created by Gordon Lyon (Fyodor), a network security expert and open source programmer. It was released in 1997. Nmap, short for Network Mapper, is free, open-...

  OhSINT — TryHackMe Walkthrough First of, we need to download the picture given in the above option. After that download exiftool, in my case I've downloaded the Windows executable version Exiftool: is a free and open-source program for reading, writing, and manipulating images, audio, video, and PDF metadata. To run the tool, simply drag and drop the image file you wish to examine in Windows. Note I'm using the portable exiftool version. The tool spits out a bunch of information about the image we downloaded like filetype, filename, GPS Position, copyright, etc. Here, we get to know about the copyright which is in the name of OWoodflint. Let’s now search it on google and see whether we can find anything. google search result of OWoodflint accounts: Twitter, blog, GitHub profile Here, we go through each site and check whether we can find something useful. Twitter: 1. What is this users avatar of? cat 2. What city is this person in? London From the Twitter page, we find the BSS...