Create APT_RemSec

Update Maldoc_PDF.yar

Change weight = 0 to 1 since 0 is not a valid weight for rule file. 
"Reason(3): Invalid weight for rule file."

indicators for remsec from Symantec white paper

Create MALW_XHide.yar

Added Maldoc_CVE_2017_11882.yar

Create MALW_FALLCHILL

PR for issue #275

This should reduce the number of FP when scanning non-PE files

Dridex V4 Yara Rule Added

New linux malware rules

Create Maldoc_DDE.yar

A lot of false positives.
https://github.com/Yara-Rules/rules/issues/252

It's a rule with a lot of false positives. We have to find a solution for this rule. By now this rule is commented.