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CVE-2023-52271 is a local vulnerability in the Topaz Antifraud kernel driver wsftprm.sys version 2.0.0.0. The driver exposes an IOCTL reachable by low-privileged users that can be abused to terminate arbitrary processes, including Protected Process Light (PPL) processes. Because the vulnerable functionality is implemented in a signed kernel-mode driver and does not properly restrict which caller may request process termination or which target processes may be affected, an unprivileged attacker can invoke the driver to perform privileged kernel-assisted process killing that should normally be blocked by Windows process protection mechanisms.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository contains a small Windows C++ proof-of-concept exploit for CVE-2023-52271 targeting the Warsaw driver wsftprm.sys (noted in README as version 2.0.0.0). Structure is minimal: README.md (description/links) and main.cpp (the exploit). main.cpp implements a local, driver-based process-killing tool: it enumerates running processes via Toolhelp32 APIs, matches against a hardcoded list of Microsoft Defender/Windows security process names, and for each match opens the device \\.\Warsaw_PM and sends DeviceIoControl with IOCTL 0x22201C. The input buffer is 1036 bytes with the target PID placed in the first 4 bytes, which is intended to trigger the vulnerable driver behavior to terminate even PPL-protected processes. The program loops once per second until interrupted (CTRL+C), making it suitable for repeatedly killing respawning security services. No network communication is present; the key fingerprintable artifacts are the driver device path (\\.\Warsaw_PM), the IOCTL code (0x22201C), and the targeted process name list.
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18 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability in affected versions of the wsftprm.sys driver that can be abused for kernel-mode process termination, enabling defense evasion via BYOVD.
A specific vulnerable driver referenced as being used in BYOVD activity to help silence security software and support post-compromise operations.
A documented driver vulnerability in Topaz Antifraud that DragonForce attackers exploited as part of BYOVD-based defense evasion to disable security tools.
A specific vulnerable driver issue referenced as being abused in a BYOVD defense-evasion chain to disable security tools at the kernel level during the intrusion.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.