Merge pull request #201 from microsoft/mjmelone-patch-37

Create WastedLocker.csl

Author: tali-ash

Campaigns/WastedLocker.csl

@@ -0,0 +1,7 @@
+///////////////////////////////////////////////////////
+// This query identifies the launch pattern associated 
+// with wastedlocker ransomware.
+// reference writeup: https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/wastedlocker-ransomware-us
+///////////////////////////////////////////////////////
+DeviceProcessEvents
+| where InitiatingProcessFileName =~ 'wscript.exe' and FileName =~ 'powershell.exe' and InitiatingProcessCommandLine matches regex @"(?i)\\chrome\.update\..+?\.js"