The outbreak of Incaseformat virus has affected many industries recently. It is critical because it has removed all non-system files and caused serious data loss. This virus appeared before, now it has come back and infected many hosts, especially in China. As of 14 Jan, 2:00 P.M.(GMT+8), NSFOCUS Labs and...
Category: DDoS Mitigation
Annual IoT Security Report 2019-16
The following sections analyze threats from the port mapping service based on UPnP port mapping tables collected from network-wide devices. Overview In the 2018 Annual IoT Security Report , we focused our attention on four types of malicious port mappings that had the most distinctive characteristics and the most extensive...
Annual IoT Security Report 2019-15
In the 2018 Annual IoT Security Report, we analyzed threats against UPnP and you can refer to the report for basics of UPnP. In this report, we updated UPnP-related data and added new findings. Viewpoint 6: Approximately 2.28 million IoT devices around the world had the UPnP/SSDP service (port 1900)...
A Global DTLS Amplification DDoS Attack Is Ongoing
Attackers are targeting Citrix ADC (Application Delivery Controller) and utilize it to launch amplification attacks. However, no official patch has been released yet. (more…)
Annual IoT Security Report 2019-13
Introduction This chapter analyzes IoT threats from the perspective of protocols. According to the data from NSFOCUS's threat hunting system, Telnet services (port 23) were targeted most frequently1. Therefore, we first analyze the attacks launched via Telnet. WS-Discovery reflection attacks are a new type of DDoS reflection attacks emerging in...
A Preliminary Investigation into the Worm Technique Affecting Schneider’s Programmable Logic Controllers
Background Some time ago, some researchers detected a code injection vulnerability (CVE-2020-7475), which could cause Schneider's Programmable Logic Controllers (PLCs) to operate like worms. If successfully exploited, this vulnerability could allow a PLC to act as a mini PC to carry out malicious network activities or as an intranet springboard...
