CVE-2017-8759 detection added

Updated to include a new OLE2Link signature from open sources, suppress Yara warnings and detect known CVE-2017-8759 variants.

Memory leak fixed

This release fixes an issue where embedded zip extraction leaked memory used by the Yara API.

Safety and performance enhancements

Removed all tempnam temporary file usage and converted the inflate, uncompress, and unzip functionality to use memory buffers instead of file pointers. Some RTF extraction enhancements imported from commercial version.

Initial Release of quicksand_lite

Detect exploits and active content in Office documents, detect embedded obfuscated executables.