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Cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*

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high advisory

Microsoft Windows: http.sys use-after-free remote code execution (CVE-2021-31166)

A public proof-of-concept exploit for CVE-2021-31166, a use-after-free vulnerability in the Windows http.sys driver, demonstrates remote code execution via a malformed Accept-Encoding header.

Windows 10 2004 +3 windows rce vulnerability http-protocol-stack
1r 1t 1c
high advisory

Suspicious Microsoft Office Child Process Activity

Microsoft Office applications are frequently abused to spawn system processes to execute malicious code, download payloads, or facilitate privilege escalation.

Microsoft Office
1r 3t 1c
high advisory

Potential Privilege Escalation via InstallerFileTakeOver (CVE-2021-41379)

This rule detects potential exploitation of the InstallerTakeOver vulnerability (CVE-2021-41379), where successful exploitation allows an unprivileged user to escalate privileges to SYSTEM.

Edge privilege-escalation cve-2021-41379 windows
2r 1t 1c
high advisory

Suspicious Rundll32 Execution Without Command-Line Arguments

The execution of rundll32.exe without command-line arguments is detected via endpoint telemetry, a behavior indicative of potential malicious activity such as Cobalt Strike, leading to arbitrary code execution and system compromise.

PoC Windows Print Spooler defense-evasion windows rundll32
2r 1t 1c updated
high advisory

Detection of Vulnerable Driver Loading on Windows Systems

Detection of loading known vulnerable Windows drivers that may indicate persistence or privilege escalation attempts via exploitation.

vulnerable-driver privilege-escalation persistence windows
2r 1t 2c updated