Windows Policy Loophole: Old Certificate, New Signature [Windows Kernel Cyber Threat
Cisco Talos discovered a troubling revelation. Threat actors have seized upon a cunning Windows policy loophole, exploiting it to their advantage. This loophole allows them to sign and load cross-signed kernel mode drivers with signature timestamps. These malicious actors have cunningly embraced open-source tools’ power, manipulating kernel mode drivers’ signing date. They aim to introduce a horde of unverified and malevolent drivers with expired certificates.