ISC StormCast for Tuesday, April 16th 2019

By Johannes B. Ullrich, Ph.D. Common “False Positives” in DNS Query Logs
https://isc.sans.edu/forums/diary/Odd+DNS+Requests+that+are+Normal/24844/

Adblock Plus Allows Filter List Providers to Inject Code in Pages
https://armin.dev/blog/2019/04/adblock-plus-code-injection/
Executables in Polyglot DICOM Images
https://github.com/d00rt/pedicom/blob/master/doc/Attacking_Digital_Imaging_and_Communication_in_Medicine_(DICOM)_file_format_standard_-_Markel_Picado_Ortiz_(d00rt).pdf
Malicious/Misleading VPN Ads
https://www.bleepingcomputer.com/news/security/mobile-vpns-promoted-by-you-are-infected-or-hacked-ads/
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