Vulnerabilities

CVSS

6.5 Medium

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Risk score

52.0

Published

2024-01-08

Status

Published

The wsftprm.sys kernel driver 2.0.0.0 in Topaz Antifraud allows low-privileged attackers to kill any (Protected Process Light) process via an IOCTL (which will be named at a later time).

Weaknesses

CWE-noinfo Not enough information

Coverage 2

ransomware

DragonForce Hackers Abuse Microsoft Teams Relays to Hide Backdoor.Turn C2 Traffic

A U.S. services firm was targeted by the DragonForce ransomware group, who utilized a custom Go-based RAT, Backdoor.Turn, to conceal C2 traffic within Microsoft Teams relay infrastructure. The attackers leveraged a BYOVD…

The Hacker News · Jun 18, 2026 High

CVE-2023-52271CVE-2025-61155CVE-2025-1055USturnbyovdghost calls

ransomware

Ransomware gang abuses Microsoft Teams relays to hide malicious traffic

DragonForce ransomware utilized a custom malware, Backdoor.Turn, to conceal command-and-control traffic by leveraging Microsoft Teams’ TURN protocol. This technique allowed the attackers to bypass traditional network def…

BleepingComputer · Jun 16, 2026 High

CVE-2023-52271CVE-2025-61155CVE-2025-1055USteamsturnrat

All articles mentioning it

Advisories and references

• topazevolution.com/en/antifraud/
• northwave-cybersecurity.com/vulnerability-notice-topaz-antifraud