Interrupt 0x80

" Help detect this kind of malicious activity in the future by writing some Suricata rules. Work with Dusty Giftwrap in the Tolkien Ring to get some hints." Challenge Difficulty: 3/5   Progressing further with the challenge after completing Windows Event Logs , we speak to Fitzy shortstacks and we are being asked to write sruicatta rules which will alert on specific traffic. If this is your first introduction to suricatta rules, below is a quick primer before we get to the solutions. Based on the learning from the suricatta site , below is the rule schema <action> alert, pass, reject…… - defines the action you would like the system to take when you rule hits the condition <protocol> dns, snmp…… - defines on which protocol you would like this rule to be active on <source> can be a specific source IP or any <port> can be a specific source Port or any <direction>   -> -< <>    -defines the direction of the traffic <desti...

"Investigate the Windows event log mystery in the terminal or offline. Get hints for this challenge by typing hint in the upper panel of the Windows Event Logs terminal." Difficulty Rating: 2/5 Advancing to the next stage of the challenge after wireshark practice challenge, we talk to Dusty Giftwrap and we access a terminal called “Windows Event Logs”, We are provided with powershell.evtx.log file that contains all the logs captured between 13-12-2022 23:12:29.956579 till 24-12-2022 18:44:53.874228, within which claims to be an attack happened and we will analyse. For ease of analysis, have personally converted the log file into xml  1.  What is the date of when the attack took place ? 24/12/2022 PowerShell strict mode has been turned off as a first activity and more activities are seen on the 24th, which can be identified as your perform a visual grep through the logs or even a head command on the powershell.evtx.log file, given windows logs are in reverse chronological or...

By now we should be ready to start out first challenge as part of the Tolkien Ring, which is in relation to Wireshark Difficulty Rating: 1/5 Hints Just have to follow thorough the questions asked in terminal, by analysing the suspicious.pcap file in Wireshark   Solutions 1. What kinds of objects can be exported in the pcap file ?  HTTP Open up suspicious.pcap file in Wireshark, using the export objects option available in Wireshark. Now we can export different types of objects depending on what’s been captured in this pcap. When you choose to export HTTP objects you get to see 3 files, while the export options will be empty.   2. Name of the biggest file you can export ?  app.php (808kB) Within Wireshark in the object export tab for HTTP, you get to see 3 files, among which the biggest file by size 808kb is app.php     3. Packet number where app.php starts ?   687 In the object export tab within Wireshark, first column indicated the starting packet ...