rule Contains_UserForm_Object_2 { meta: author = "Martin Willing (https://evild3ad.com)" description = "Detect UserForm object in MS Office document. Attackers use UserForm objects to obfuscate their scripts and malicious code." alert = "May used to store malicious code in a UserForm object embedded in a form object" reference = "https://msdn.microsoft.com/en-us/library/office/gg264663.aspx" hash = "3c013125ffe34b81e39f92b59ca26b6c" date = "2016-03-11" filetype = "Office documents" strings: $a = "Microsoft Forms 2.0" // Forms $b = "UserForm1" // UserForm condition: all of them }