3033 matches found
Hackers can compromise Memcached Servers for DDoS attacks
By Waqas Unsecured Implementation of UDP Protocol Put Memcached Servers at Risk This is a post from HackRead.com Read the original post: Hackers can compromise Memcached Servers for DDoS attacks...
New 10 Second SLA For Rapid DDoS Mitigation
Two months ago, we updated the Imperva Incapsula SLA service level agreement to guarantee network and application layer DDoS attack mitigation in under 10 seconds. This commitment sets a new standard for time to mitigation TTM, made possible by improvements to our DDoS mitigation technology and...
Blast from the past: stowaway Virut delivered with Chinese DDoS bot
Recently, we described an unusual Chinese drive-by attack that was delivering a variant of the Avzhan DDoS bot. The attack also contained multiple components that were not-so-new. Among the exploits, the newest was from 2016. Avzhan is also not a recent malware—the compilation timestamp of the...
Memcached-fueled 1.3 Tbps attacks
At 17:28 GMT, February 28th, Akamai experienced a 1.3 Tbps DDoS attack against one of our customers, a software development company, driven by memcached reflection. This attack was the largest attack seen to date by Akamai, more than twice the size of the September, 2016 attacks that announced th...
Memcached Amplification Attack (UDP, Memcrashed) - Active Check
A publicly accessible Memcached server can be exploited to participate in a Distributed Denial of Service DDoS attack. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...
Misconfigured Memcached Servers Abused to Amplify DDoS Attacks
Cybercriminals behind distributed denial of service attacks have added a new and highly effective technique to their arsenal to amplify attacks by as much as 51,200x by using misconfigured memcached servers accessible via the public internet. The technique was reported by Akamai, Arbor Networks a...
Memcached Servers Abused for Massive Amplification DDoS Attacks
Cybercriminals have figured out a way to abuse widely-used Memcached servers to launch over 51,000 times powerful DDoS attacks than their original strength, which could result in knocking down of major websites and Internet infrastructure. In recent days, security researchers at Cloudflare, Arbor...
Memcached Detection (UDP)
UDP based detection of Memcached. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only Note: Another product MemcacheDB http://memcachedb.org/ is...
Memcached UDP Reflection Attacks
Akamai is aware of a new DDoS reflection attack vector: UDP-based memcached traffic. Memcached is a tool meant to cache data and reduce strain on heavier data stores, like disk or databases. The protocol allows the server to be queried for information about key value stores and is only intended t...
Your Cache is Exposed
On February 28, Akamai recorded a 1.35 Tbps DDoS attack against one of our customers. The attack was driven by a relatively new vector, memcached reflection. Possibly the largest publicly disclosed DDoS attack to date, the memcached attack was more than twice the size of the largest DDoS attacks...
A week in security (February 19 – February 25)
Last week on Malwarebytes Labs, we gave readers a primer on encryption, took a stab at that Deepfakes tool Internet users seem to be interested in, and started a new series that talks about GDPR. We also looked at a drive-by download campaign that starts in booby-trapped Chinese websites that dro...
Avzhan DDoS bot dropped by Chinese drive-by attack
The Avzhan DDoS bot has been known since 2010, but recently we saw it in wild again, being dropped by a Chinese drive-by attack. In this post, we'll take a deep dive into its functionality and compare the sample we captured with the one described in the past. Analyzed sample...
NetRefer Chooses Imperva Incapsula WAF: A Case Study
Since 2005, companies have been using NetRefer’s performance marketing software to fully automate their affiliate programs. From enrollment through customer relationship management CRM, tracking, finance and rewards management and payments, NetRefer’s Unified Performance Marketing Platform...
DDoS Attacks in the Netherlands Reveal Teen Gamers on Troublesome Path
ARCHIVED STORY DDoS Attacks in the Netherlands Reveal Teen Gamers on Troublesome Path By John Fokker · Febraury 22, 2018 At the end of January, the Netherlands was plagued by distributed denial of service DDoS attacks targeting various financial institutions, tech sites, and the Dutch tax...
DDoS Attacks in the Netherlands Reveal Teen Gamers on Troublesome Path
ARCHIVED STORY DDoS Attacks in the Netherlands Reveal Teen Gamers on Troublesome Path By John Fokker · Febraury 22, 2018 At the end of January, the Netherlands was plagued by distributed denial of service DDoS attacks targeting various financial institutions, tech sites, and the Dutch tax...
New Research: Crypto-mining Drives Almost 90% of All Remote Code Execution Attacks
It’s early in 2018 and we have already witnessed one of the top contenders in this year’s web application attacks. Continuing the trend from the last months of 2017, crypto-mining malware is quickly becoming attackers’ favorite modus operandi. In December 2017, 88 percent of all remote code...
How to use NetScaler appliance to avoid Layer 7 DDoS attacks
This article describes how to use a NetScaler appliance to avoid layer 7 DDoS attacks when there is no dedicated device to protect from DDoS attacks...
Coalition, Inc.: Non-Cloudflare IPs allowed to access origin servers
Hello Security Team, Summary: Like report 255978 It is possible to access origin servers served by nginx and not cloudflare. Description: Even though these IP's don't serve a functional version of the app it is possible to enable DDoS attacks by bypassing cloudflare protections. Steps To Reproduc...
DDoS attacks in Q4 2017
News overview In terms of news about DDoS attacks, the last quarter of 2017 was livelier than the previous one. Some major botnets were discovered and destroyed. For instance, early December saw the FBI, Microsoft, and Europol team up to knock out the Andromeda botnet, in operation since 2011. In...
JenX Botnet Has Grand Theft Auto Hook
Researchers at Radware have discovered a new botnet that uses vulnerabilities linked with the Satori botnet and is leveraging the Grand Theft Auto videogame community to infect IoT devices. Satori is a derivative of Mirai, the notorious botnet that in 2016 infamously managed to take down Dyn, a D...