Know How... (MP3)
About This Show
Get the know how to make technology work for you. Fr. Robert Ballecer and Bryan Burnett show you tech projects that you can do yourself and explain everything from tech basics to advanced techniques. Send your questions and suggestions to firstname.lastname@example.org or leave a voicemail at 408-800-KNOW.
New episodes every Monday at 6:00pm Eastern / 3:00pm Pacific / 22:00 UTC and Thursday at 2:00pm Eastern / 11:00am Pacific / 18:00 UTC.
Most Recent Episode
KH 314: Networking 102 Part 3 - WannaCry 2
1 day ago
We answer community questions about how WannaCry works and what files are affected, along with WanaKiwi which can help if you've been infected, but it's not guaranteed.The original memory scrubbing, prime number searching WannaKey decryptor tool (for XP) was written by Adrien Guinet (@adriengnt) and then used as the base for Wanakiwi developed by Benjamin Delpy (@gentilkiwi).How it works:WanaKey was developed by Ardien Guinet (@adriengnt)WanaKey was used as a base for WanaKiwiWanaKey only works on XPWanaKiwi works on XP, Vista, 7, 8, 8.1They're "Memory Scrubbing" programs:The way that WannaCry works is that it generates a public and private key.The keys are generated using primesWannaCry then deletes the private key // you need to pay the ransom to get that key for decryptionWanaKey & WanaKiwi both take advantage of the fact that even though the program deletes the private key, the PRIMES that were used to generate that key is still in memoryHowever, this is VERY time sensitiveWK scans the address space of the WannaCry process (This is why the PID is important)We need to find the keys BEFORE the process reuses that memory spaceThis is why you can't reboot or kill the process
Hosts: Fr. Robert Ballecer, SJ and Bryan Burnett
Connect with us!Don't forget to check out our large library of projects at https://twit.tv/shows/know-how.Join our Google+ Community.Tweet at us at @PadreSJ, @Cranky_Hippo, and @Anelf3.Thanks to CacheFly for the bandwidth for this show.
Episodes of This Show
4 days ago