Tuesday, December 7, 2021

ZipExec: A unique technique to execute binaries from a password protected zip

ZipExec

ZipExec is a Proof-of-Concept (POC) tool to wrap binary-based tools into a password-protected zip file. This zip file is then base64 encoded into a string that is rebuilt on disk. This encoded string is then loaded into a JScript file that when executed, would rebuild the password-protected zip file on disk and execute it. This is done programmatically by using COM objects to access the GUI-based functions in Windows via the generated JScript loader, executing the loader inside the pass…

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