Blue Team Cyber Defender

  Learn about the four core features of the Diamond Model of Intrusion Analysis: adversary, infrastructure, capability, and victim. Link - https://tryhackme.com/room/diamondmodelrmuwwg42 What is the term for a person/group that has the intention to perform malicious actions against cyber resources? Adversary Operator What is the term of the person or a group that will receive the benefits from the cyberattacks? Adversary Customer What is the term that applies to the Diamond Model for organizations or people that are being targeted? Victim Personae Provide the term for the set of tools or capabilities that belong to an adversary. Adversary Arsenal To which type of infrastructure do malicious domains and compromised email accounts belong? Type 2 Infrastructure What type of infrastructure is most likely owned by an adversary? Type 1 Infrastructure What meta-feature does the axiom “Every malicious activity contains two or more phases which must be successfully executed in succession to ach

  Introducing cyber threat intelligence and related topics, such as relevant standards and frameworks. Link - https://tryhackme.com/room/cyberthreatintel What does CTI stand for? Cyber Threat Intelligence IP addresses, Hashes and other threat artefacts would be found under which Threat Intelligence classification? Technical Intel At which phase of the lifecycle is data made usable through sorting, organising, correlation and presentation? processing During which phase do security analysts get the chance to define the questions to investigate incidents? direction What sharing models are supported by TAXII? collection and channel When an adversary has obtained access to a network and is extracting data, what phase of the kill chain are they on? action on objectives What was the source email address? vipivillain@badbank.com What was the name of the file downloaded? flbpfuh.exe After building the threat profile, what message do you receive? After solving below you get code That’s it! See y

  Learn about fundamentals, methodology, and tooling for endpoint security monitoring. Link - https://tryhackme.com/room/introtoendpointsecurity What is the normal parent process of services.exe? wininit.exe What is the name of the network utility tool introduced in this task? tcpview What is the PowerShell cmdlet for viewing Windows Event Logs? get-winevent Provide the command used to enter OSQuery CLI. osqueryi What does EDR mean? Provide the answer in lowercase. Endpoint detection and response Provide the flag for the simulated investigation activity. That’s it! See you in the next Room :)

  Learn how to interact with the win32 API and understand its wide range of use cases Link- https://tryhackme.com/room/windowsapi Does a process in the user mode have direct hardware access? (Y/N) n Does launching an application as an administrator open the process in kernel mode? (Y/N) n What header file imports and defines the User32 DLL and structure? winuser.h What parent header file contains all other required child and core header files? windows.h What overarching namespace provides P/Invoke to .NET? system What memory protection solution obscures the process of importing API calls? aslr Which character appended to an API call represents an ANSI encoding? a Which character appended to an API call represents extended functionality? ex What is the memory allocation type of 0x00080000 in the VirtualAlloc API call? MEM_RESET Do you need to define a structure to use API calls in C? (Y/N) n What method is used to import a required DLL? dllimport What type of method is used to reference

  Learn the basics of Wireshark and how to analyse protocols and PCAPs. Link- https://tryhackme.com/room/wiresharkthebasics Which file is used to simulate the screenshots? http1.pcapng Which file is used to answer the questions? Exercise.pcapng Use the “Exercise.pcapng” file to answer the questions. Read the “capture file comments”. What is the flag? TryHackMe_Wireshark_Demo What is the total number of packets? 58620 What is the SHA256 hash value of the capture file? f446de335565fb0b0ee5e5a3266703c778b2f3dfad7efeaeccb2da5641a6d6eb Use the “Exercise.pcapng” file to answer the questions. View packet number 38. Which markup language is used under the HTTP protocol? extensible markup language What is the arrival date of the packet? (Answer format: Month/Day/Year) 05/13/2004 What is the TTL value? 47 What is the TCP payload size? 424 What is the e-tag value? Follow HTTP Stream 9a01a-4696–7e354b00 Use the “Exercise.pcapng” file to answer the questions. Search the “r4w” string in packet detai

  Understand how antivirus software works and what detection techniques are used to bypass malicious files checks. Link - https://tryhackme.com/room/introtoav What was the virus name that infected John McAfee’s PC? brain Which PC Antivirus vendor implemented the first AV software on the market? mcafee Antivirus software is a _____-based security solution. host Which AV feature analyzes malware in a safe and isolated environment? emulator An _______ feature is a process of restoring or decrypting the compressed executable files to the original. unpacker What is the sigtool tool output to generate an MD5 of the AV-Check.exe binary? f4a974b0cf25dca7fbce8701b7ab3a88:6144:AV-Check.exe Use the strings tool to list all human-readable strings of the AV-Check binary. What is the flag? THM{Y0uC4nC-5tr16s} Which detection method is used to analyze malicious software inside virtual environments? dynamic detection That’s it! See you in the next Room :)