October 10, 2023—KB5031364 (OS Build 20348.2031)

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NoFilter Attack: Sneaky Privilege Escalation Method Bypasses Windows Security

A previously undetected attack method called NoFilter has been found to abuse the Windows Filtering Platform WFP to achieve privilege escalation in the Windows operating system. "If an attacker has the ability to execute code with admin privilege and the target is to perform LSASS Shtinkering,...

Understanding Network Access in Windows AppContainers

Posted by James Forshaw, Project Zero Recently I've been delving into the inner workings of the Windows Firewall. This is interesting to me as it's used to enforce various restrictions such as whether AppContainer sandboxed applications can access the network. Being able to bypass network...

A bypass the majority of antivirus software method-vulnerability warning-the black bar safety net

Brief description: Affected manufacturers:including but not limited to Kaspersky, 3 6 0, Baidu, Tencent, Swiss Star, Jiang min, AVG, nod32 Detailed description: Antivirus in the Proactive Defense when relying too heavily on WFP, the drain-proof the system its own file, resulting in the malicious...

CVE-2002-2132

CVE-2002-2132 concerns Windows File Protection (WFP) in Windows 2000 and XP. The vulnerability arises because WFP does not remove old security catalog (.CAT) files, enabling local attackers to replace legitimate, updated files with older, vulnerable versions that still have valid hash codes. The ...