Blue Team Cyber Defender

  Learn the different indicators of phishing attempts by examining actual phishing emails. Link- https://tryhackme.com/room/phishingemails1tryoe What phrase does the gibberish sender email start with? noreply What is the root domain for each URL? Defang the URL. devret[.]xyz This email sample used the names of a few major companies, their products, and logos such as OneDrive and Adobe. What other company name was used in this phishing email? Citrix What should users do if they receive a suspicious email or text message claiming to be from Netflix? forward the message to phishing@netflix.com What does BCC mean? Blind Carbon Copy What technique was used to persuade the victim to not ignore the email and act swiftly? Urgency What is the name of the executable that the Excel attachment attempts to run? regasms.exe That’s it! See you in the next Room :)

  Learn all the components that make up an email. Link- https://tryhackme.com/room/phishingemails1tryoe Email dates back to what time frame? 1970s What port is classified as Secure Transport for SMTP? 465 What port is classified as Secure Transport for IMAP? 993 What port is classified as Secure Transport for POP3? 995 What email header is the same as “Reply-to”? Return-Path Once you find the email sender’s IP address, where can you retrieve more information about the IP? http://www.arin.net/ In the above screenshots, what is the URI of the blocked image? https://i.imgur.com/lsw0tdi.png In the above screenshots, what is the name of the PDF attachment? payment-updateid.pdf In the attached virtual machine, view the information in email2.txt and reconstruct the PDF using the base64 data. What is the text within the PDF? Use Cyberchef from Base64 and save the output as a pdf file. Open the pdf. THM{BENIGN_PDF_ATTACHMENT} What trusted entity is this email masquerading as? Decode the sub...

Learn how to use DNS, advanced searching, Recon-ng, and Maltego to collect information about your target. Link - https://tryhackme.com/room/redteamrecon When was thmredteam.com created (registered)? (YYYY-MM-DD) 2021–09–24 To how many IPv4 addresses does clinic.thmredteam.com resolve? 2 To how many IPv6 addresses does clinic.thmredteam.com resolve? 2 How would you search using Google for xls indexed for http://clinic.thmredteam.com? filetype:xls site:clinic.thmredteam.com How would you search using Google for files with the word passwords for http://clinic.thmredteam.com? passwords site:clinic.thmredteam.com What is the shodan command to get your Internet-facing IP address? shodan myip How do you start recon-ng with the workspace clinicredteam? recon-ng -w clinicredteam How many modules with the name virustotal exist? 2 There is a single module under hosts-domains. What is its name? migrate_hosts censys_email_address is a module that “retrieves email addresses from the TLS certificates...

  You are involved in an incident response engagement and need to analyze an infected host using Redline. Link - https://tryhackme.com/room/revilcorp Upload the analysis file in Redline What is the compromised employee’s full name? John Coleman What is the operating system of the compromised host? Windows 7 Home Premium 7601 Service Pack 1 What is the name of the malicious executable that the user opened? WinRAR2021.exe What is the full URL that the user visited to download the malicious binary? (include the binary as well) http://192.168.75.129:4748/Documents/WinRAR2021.exe What is the MD5 hash of the binary? 890a58f200dfff23165df9e1b088e58f What is the size of the binary in kilobytes? 164 What is the extension to which the user’s files got renamed? .t48s39la What is the number of files that got renamed and changed to that extension? 48 What is the full path to the wallpaper that got changed by an attacker, including the image name? C:\Users\John Coleman\AppData\Local\Temp\hk8.bmp...

  Get started with Cyber Security in 25 Days — Learn the basics by doing a new, beginner friendly security challenge every day leading up to Christmas. Link - https://tryhackme.com/room/adventofcyber3 After finding Santa’s account, what is their position in the company? The Boss! After finding McStocker’s account, what is their position in the company? Build Manager After finding the account responsible for tampering, what is their position in the company? Mischief Manager What is the received flag when McSkidy fixes the Inventory Management System? Register an account, and verify the cookies using the Developer Tools in your browser. What is the name of the new cookie that was created for your account? user-auth What encoding type was used for the cookie value? hexadecimal What object format is the data of the cookie stored in? JSON Manipulate the cookie and bypass the login portal. What is the value of the administrator cookie? (username = admin) What team environment is not resp...

  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...