PointDNS Recovers from Massive DDoS Attack

PointDNS says most of its DNS servers are online again after a massive DDoS attack late last week took down the service provider. A post on the company’s Twitter account on Friday said the provider was adding nameservers and working with network providers to restore service to its customers. Many...

Anti-DDoS Services Abused to Carry Out DDoS Attack with 1.5 Billion Requests/Minute

Till Now the Internet was encountering the traditional Distributed Denial of Service DDoS attacks, where a large number of compromised systems use to flood servers with tremendous amount of bandwidth; but in past few months we have noticed massive change in the techniques of DDoS attack. Hackers...

UltraDNS Dealing with DDoS Attack

UPDATE – UltraDNS said it has mitigated a distributed denial of service DDoS attack for most of its customers after the service was held down for most of the day. “Currently, only customers utilizing a segment of UltraDNS Name Server addresses are experiencing resolution latency due to intermitte...

Volume of NTP Amplification Attacks Getting Louder

No security arena is better representative of the cat and mouse game between hackers and defenders than DDoS attacks and prevention/mitigation. Enterprises and service providers have invested heavily in DDoS mitigations in order to keep critical services available. That’s forced hackers to crank ...

NTP ntpd monlist Query Reflection - Denial of Service

Exploit for linux platform in category dos / poc / Exploit Title: CVE-2013-5211 PoC - NTP DDoS amplification Date: 28/04/2014 Code Author: Danilo PC - CVE : CVE-2013-5211 / / I coded this program to help other to understand how an DDoS attack amplified by NTP servers works CVE-2013-5211 I took of...

NTP ntpd monlist Query Reflection - Denial of Service

NTP ntpd monlist Query Reflection - Denial of Service / Exploit Title: CVE-2013-5211 PoC - NTP DDoS amplification Date: 28/04/2014 Code Author: Danilo PC - CVE : CVE-2013-5211 / / I coded this program to help other to understand how an DDoS attack amplified by NTP servers works CVE-2013-5211 I to...

NTP ntpd monlist Query Reflection - Denial of Service

/ Exploit Title: CVE-2013-5211 PoC - NTP DDoS amplification Date: 28/04/2014 Code Author: Danilo PC - CVE : CVE-2013-5211 / / I coded this program to help other to understand how an DDoS attack amplified by NTP servers works CVE-2013-5211 I took of the code that generates a DDoS, so this code onl...

DDoS Attacks a Cover for Financial Fraud, IP Theft

It’s difficult to imagine a noisier attack than a distributed denial-of-service attack. They’re an ever-present threat to banks and other businesses where the uptime of Web-based services is critical to customers and the well-being of an enterprise. And as a handful proved throughout 2013, they a...

Millions of Vulnerable Routers aiding Massive DNS Amplification DDoS Attacks

The Distributed Denial of Service DDoS attack is becoming more sophisticated and complex with the increase in the skills of attackers and so, has become one of favorite weapon for the cyber criminals to temporarily suspend or crash the services of a host connected to the Internet and till now...

Home Routers at Core of DNS-Based DDoS Amplification Attacks

DNS providers Nominum have published new data on DNS-based DDoS amplification attacks that are using home and small office routers as a jumping off point. The provider said that in February alone, more than five million home routers were used to generate attack traffic; that number represents mor...

Over 20Gbps DDoS attacks Now Become Common for Hackers

The Distributed Denial of Service DDoS attack has become more sophisticated and complex and therefore has become one of the favorite weapon for the cyber criminals to temporarily suspend the services of any host connected to the Internet and till now nearly every big site had been a victim of thi...

NTP Aplification, SYN Floods Drive Up DDoS Attack Volumes

There has been a steady but dramatic increase in the potency of distributed denial of service DDoS attacks from the beginning of 2013 through the first two months of this year. In large part, reason for this rise in volume has to do with the widespread adoption of two attack methods: large...

NTP Amplification DDoS Attacks Increasing

An ever-shrinking number of vulnerable network time protocol NTP servers are being used with customized distributed denial of service DDoS toolkits to perform increasingly potent NTP amplification attacks. According to the DDoS mitigation specialists at Prolexic, who issued a high alert DDoS atta...

quake1-info NSE Script

Extracts information from Quake game servers and other game servers which use the same protocol. Quake uses UDP packets, which because of source spoofing can be used to amplify a denial-of-service attack. For each request, the script reports the payload amplification as a ratio. The format used i...

Fedora 19 : chrony-1.29.1-1.fc19 (2014-1916)

This update fixes the following security vulnerability : - Modify chronyc protocol to prevent amplification attacks CVE-2014-0021 incompatible with previous protocol version, chronyc supports both Note that Tenable Network Security has extracted the preceding description block directly from the...

400 Gbps NTP Amplification DDoS Attack Alarmingly Simple

The largest distributed denial of service attack on public record was reported this week, and with it came many alarming numbers, not only in the volume of traffic generated 400 Gbps at its peak, but in the number of Network Time Protocol servers involved 4,592 on 1,298 networks as well as the...

MGASA-2014-0052 Updated chrony package fixes security vulnerability

Updated chrony package fixes security vulnerability: In the chrony control protocol some replies are significantly larger than their requests, which allows an attacker to use it in an amplification attack CVE-2014-0021. Note: in the default configuration, cmdallow is restricted to localhost, so...

Updated chrony package fixes security vulnerability

Updated chrony package fixes security vulnerability: In the chrony control protocol some replies are significantly larger than their requests, which allows an attacker to use it in an amplification attack CVE-2014-0021. Note: in the default configuration, cmdallow is restricted to localhost, so...

Largest Ever 400Gbps DDoS attack hits Europe uses NTP Amplification

The Distributed Denial of Service DDoS attack is the one of favourite weapon for the hackers to temporarily suspend services of a host connected to the Internet and till now nearly every big site had been a victim of this attack. Since 2013, Hackers have adopted new tactics to boost Distributed...

NTP Amplification Blamed for 400 Gbps DDoS Attack

For those of you who thought the infamous Spamhaus distributed denial-of-service attack set an ugly bar for the volume of spurious traffic sent at a target, gird yourself for worse. A massive DDoS attack, reaching at its peak 400 Gbps of bad traffic, was detected late yesterday against a number o...