Blue Team Cyber Defender

  Apply your analytical skills to analyze the malicious network traffic using Wireshark. Link - https://tryhackme.com/room/c2carnage After loading the pcap file in wireshark. Change the time display preferences. What was the date and time for the first HTTP connection to the malicious IP? (answer format: yyyy-mm-dd hh:mm:ss) check the HTTP traffic 2021–09–24 16:44:38 What is the name of the zip file that was downloaded? Check the contents of the packet documents.zip What was the domain hosting the malicious zip file? attirenepal.com Without downloading the file, what is the name of the file in the zip file? Right click the packet and follow HTTP stream chart-1530076591.xls What is the name of the webserver of the malicious IP from which the zip file was downloaded? LiteSpeed What is the version of the webserver from the previous question? PHP/7.2.34 Malicious files were downloaded to the victim host from multiple domains. What were the three domains involved with this activity? fin...

  This room explains the technical details behind the Meltdown vulnerability. Link - https://tryhackme.com/room/meltdownexplained what is it called when a program accesses a cache and finds the correct value? hit what is it called when a program accesses a cache and doesn’t find the correct value? miss What kind of memory does the virtual address contain(apart from user memory) kernel memory That’s it! See you in the next Room :)

Find out what happened by analysing a .pcap file and hack your way back into the machine Link - https://tryhackme.com/room/h4cked Download the Task file The attacker is trying to log into a specific service. What service is this? FTP There is a very popular tool by Van Hauser which can be used to brute force a series of services. What is the name of this tool? Hydra The attacker is trying to log on with a specific username. What is the username? jenny What is the user’s password? password123 What is the current FTP working directory after the attacker logged in? /var/www/html The attacker uploaded a backdoor. What is the backdoor’s filename? shell.php The backdoor can be downloaded from a specific URL, as it is located inside the uploaded file. What is the full URL? Follow tcp stream http://pentestmonkey.net/tools/php-reverse-shell Which command did the attacker manually execute after getting a reverse shell? Follow tcp stream whoami What is the computer’s hostname? Follow tcp stre...