ISC StormCast for Thursday, April 5th 2018

By Johannes B. Ullrich, Ph.D. Malware Uses Certutil to Download Files
https://isc.sans.edu/forums/diary/A+Suspicious+Use+of+certutilexe/23517/
Microsoft Patches Malware Detection Engine
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0986
Chrome Scans Local Files
https://www.blog.google/products/chrome/cleaner-safer-web-chrome-cleanup/
Privilege Escalation in Unix “Beep”
https://www.debian.org/security/2018/dsa-4163
Zero Width Characters Used to Watermark Copy/Paste Text
https://medium.com/@umpox/be-careful-what-you-copy-invisibly-inserting-usernames-into-text-with-zero-width-characters-18b4e6f17b66
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