Please download and/or install the following tools for your malware lab (VM system):
Meld (download and install the .msi for Windows)
VBindiff (download "VBinDiff 3.0 beta 5 (exe & source)")
AnalysePESig (download AnalyzePESig_V0_0_0_8.zip)
One lecture discusses signature validation, create a bookmark of the link below.
Customer guidance on CVE-2013-3900, enforce strict signature validation: WinVerifyTrust Signature Validation Vulnerability