immersive labs application security
28 TopicsDFIR CTF: LightNeuron DLL - Question 8
In relation towards finding the decrypted email. I am wondering about what I am getting wrong from the conditional breakpoint in order to expose all the decrypted strings after the return function After searching up the XOR key location I went to from Ghidra Through the RET function which I thought would expose the strings I ran going to the ret function then after following the process in order to go to the DLL malware and got into the ret function I set the breakpoint and debug restarted However, it kept saying memory address unavailable. such as this also includes setting the CF flag to 0 I am wondering about what I am doing wrong here and where should I dig deeper? Note: used Gemini to help look into possible solutions however, refered to https://www.youtube.com/watch?v=Tc8Wl37uwYc for aid14Views0likes1CommentImmersive Labs- Create a detection rule - Google SecOps
a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid #e6e6e6; } tr th { background-color: #f5f5f5; } Hello everyone, I hope you can help me. I am currently taking the "Google SecOps Fundamentals: Demonstrate Your Skills" course, and I am stuck on Task 12, where I need to create a detection rule. I have already created the rule, but the lab is not recognizing it or marking the task as completed. The instructions say that I need to create a rule that detects communication with one of the specified domains. I have configured the following rule, but I'm not sure if it is correct. I am not very experienced with Chronicle/Google SecOps, so I am having trouble understanding what I might be missing. Does anyone know what could be wrong or what additional configuration is required for the task to be validated? Any guidance would be greatly appreciated. Thank you! This is the rule I created: rule lumma_c2_iocs { meta: author = "Diana Quezadas" description = "Detect DNS queries to known Lumma C2 IOC domain." severity = "HIGH" events: $e.metadata.event_type = "NETWORK_DNS" $ioc_url = $e.network.dns.questions.name re.regex( $ioc_url, `(?i)^forbidstow\.site$` ) outcome: $domain = array_distinct($ioc_url) $risk_score = 85 condition: $e }39Views0likes1CommentModern Encryption Issue
I'm on the last training under Modern Encryption training. I'm getting this error: ─$ openssl enc -des-ede3-cbc -d -pbkdf2 -nosalt -in encrypted_file_3DES.enc -out DES3 enter des-ede3-cbc decryption password: bad decrypt 139655774025024:error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt:../crypto/evp/evp_enc.c:610: The key is in text file from previous steps. I'm on step #7. I used the same syntax for decryption as earlier in this series. I tried various things, but still getting this error. I added the -a switch as well.Solved172Views0likes11CommentsInvestigating IAM Incidents in AWS: Preparation - Question 7
For the question: The ‘MetrolioQA’ IAM role in your account grants write access to a ‘metrolio’ role from another account. What is the full name of the external principle? I can't seem to find insight onto the role. I am wondering about what is the location of the GUI I should be looking into more of. I have mostly been digging throughout the csv download for any possible insights as well as the IAM access analyzer but I cant seem to get any good leads. Done through the MetrolioIAMAnalyst AWS role account. Summary: I am wondering if there is any direction that can be provided in which I can look into more for finding external principles.Solved93Views0likes1CommentMobile Malware: Anubis Malware (Offensive) - Question 8,9
despite obtaining the encrypted value, seems like RC4 decryption doesn't work with zanubis as the password. I am wondering where should I pivot into? For question 9: where should I look into in order to get started?Solved48Views0likes1CommentNetwork Hardening Lab Recommendations
I've been looking for some good training resources for network hardening. I've been working through the Windows Hardening collection and found it really useful. Are there any other lab recommendations similar to this? In particular hardening things such as PfSense firewalls, Vyos routers, Linux endpoints etc.Solved104Views0likes3Comments