ISC StormCast for Friday, May 1st 2015

By Johannes Ullrich Dalexis/CTB-Locker Malspam Campaign
https://isc.sans.edu/forums/diary/DalexisCTBLocker+malspam+campaign/19641/
Knock Knock OS X Malware Scanner
http://www.downloadcrew.com/article/33275-knockknock_ui
Ryan Air Victim in 5 Million USD Fund Transfer Scam
http://www.irishtimes.com/news/crime-and-law/ryanair-falls-victim-to-4-6m-hacking-scam-via-chinese-bank-1.2192444
old(?) sudo bug coming back in Ubuntu
https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/1219337 More Here