Attack Gang Size Gang Size Figure 3-27 shows the distribution of our identified IP gangs by size. Two gangs consist of over 10,000 members and the largest gang has 88,000 members. (mais…)
Categoria: DDoS Mitigation
IP Reputation Report-05032020
Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at May 3, 2020. Top 10 countries in attack percentage: The Belarus is in first place.The Cape Verde is in the second place.The country...
DDoS Attack Landscape 6
Activity of Attack Sources Ongoing monitoring of attack sources reveals that 90% of them were active for no longer than 10 days. There were two reasons behind this. For one thing, in order to keep attack sources freshand prevent them from being blacklisted by defenders, attackers tended to use the...
A Look Into WS-Discovery Reflection Attacks for 2020 Q1
Executive Summary Web Services Dynamic Discovery (WSD) is a multicast discovery protocol to locate services on a local area network (LAN). However, due to device vendors' design flaw in the implementation, when a normal IP address sends a service discovery packet, devices will also respond to the request. If exposed...
IP Reputation Report-04262020
1.Top 10 countries in attack counts: The above diagram shows the top 10 regions with the most malicious IP addresses from the NSFOCUS IP Reputation databases at April 26, 2020. 2.Top 10 countries in attack percentage: The Belarus is in first place.The Cape Verde is in the second place.The country...
How Does WannaRen Ransomware Spread?
Background Recently, a new strain of ransomware WannaRen came to the surface and began to spread between PCs. This ransomware encrypts files in the Windows system and uses .WannaRen as the extension of encrypted files. The attacker leaves a Bitcoin wallet address and demands 0.05 Bitcoin as ransom. Through tracking...
