[SANS ISC] Microsoft Office VBA Macro Obfuscation via Metadata

I published the following diary on isc.sans.org: “Microsoft Office VBA Macro Obfuscation via Metadata“:

Often, malicious macros make use of the same functions to infect the victim’s computer. If a macro contains these strings, it can be flagged as malicious or, at least, considered as suspicious. Some examples of suspicious functions are:

• Microsoft.XMLHTTP (used to fetch web data)
• WScript.Shell (used to execute other scripts or commands)

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from Xavier