Category Archives: DDoS Vendors

Federal DDoS Warnings Are Outdated

It’s always the same: Government cybersecurity experts learn of pending distributed denial of service attacks, especially around the anniversary of Sept. 11, and issue warning after warning after warning, as though security is something we can do on a “per-warning” basis. I really don’t understand this way of approaching security or why government agencies believe such warnings are helpful. I’m not saying we shouldn’t be warned — not at all. What I’m saying is that we shouldn’t wait for a warning before we do something about security. On Aug. 5, for instance, the FBI and the Financial Services and Information Sharing and Analysis Center issued a warning that the same groups behind the unsuccessful Operations USA and Operation Israel attacks in May were planning a new DDoS attack. Their recommendations leave me perplexed. For instance, they suggest: – Implement backup and recovery plans. Really? We’re supposed to wait for a warning on a 9/11 DDoS threat to know that we need to do this? We’re in serious trouble if that’s the case. – Scan and monitor emails for malware. Again, really? This is a recommendation? Is there truly anyone out there who still doesn’t do this? And, if there is, they deserve whatever happens to their network, I say. – Outline DDoS mitigation strategies. Finally, something a bit more relevant. I know for a fact that most companies aren’t putting much thought into DDoS defense strategy. Unfortunately, if you’re hosting a server with public access, you’ve no choice but to consider this with the utmost seriousness. Just how seriously, you ask? Well, that all depends on how much of your company’s livelihood hinges on that server. It’s an undeniable fact of our Internet life that these things will keep happening. No matter if it’s 9/11 or OpUSA or a private single hacker from Russia or China. They’ll continue to happen, and we all understand the need to be prepared. DDoS preparedness is accomplished as a strategy. It involves hardware, large bandwidth, ISP collaboration, remote redundancy and other possible strategies for defense and elusion. This isn’t anti-malware. You can’t create a signature or heuristic against DDoS. This is sheer brute force in that you win if you’re stronger, or if you’re the more elusive, so they can’t really get you. And that’s precisely why you need a strategy, and you need to plan it now. You can also purchase hardware — but make it part of a strategy. Don’t expect it to be the one and only thing you need to do to fend off a DDoS attack. Source: http://www.informationweek.com/government/security/federal-ddos-warnings-are-outdated/240161165

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Federal DDoS Warnings Are Outdated

Multiplayer games and DoS attacks

Prolexic, detailed the rampant problem of denial of service attacks within and from online gaming communities. The DDoS attacks, which can pack a powerful punch by the use of reflection and amplificat…

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Multiplayer games and DoS attacks

C&C PHP script for staging DDoS attacks sold on underground forums

Earlier this year, US-CERT has deemed it important to release an alert about publicly accessible open recursive DNS servers that are increasingly being used in DNS amplification attacks – a very effec…

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C&C PHP script for staging DDoS attacks sold on underground forums

9/11 DDoS Alert for Banks, Agencies

U.S. and Israeli government agencies and banking institutions should be on alert for a potential Sept. 11 wave of distributed-denial-of-service attacks launched by the same groups behind the unsuccessful Operation USA and Operation Israel attacks in May. That warning comes from cybersecurity experts and alerts issued by the Federal Bureau of Investigation and the Financial Services Information Sharing and Analysis Center. While OpUSA and OpIsrael, which were designed to take down websites operated by globally recognized brands and governmental agencies, were not successful, cybersecurity experts say the threat this time is genuine. The groups behind these attacks are now more organized, better equipped and trained, and more determined than they were the first time around, they say. The FBI, however, notes that the attacks are not expected to have a serious or significant impact. “It is thought that due to the fact that hackers will be relying on commercial tools to exploit known vulnerabilities, and not developing custom tools or exploits, that the skill levels are, at best rudimentary, and capable of causing only temporary disruptions of any of the targeted organizations,” the FBI alert states. Attack Alerts On Aug. 5, the FS-ISAC issued a warning to its membership about a new wave of DDoS attacks that could target U.S. banks. David Floreen, senior vice president of the Massachusetts Bankers Association , says the FBI, which issued a separate alert on Aug. 30, and the FS-ISAC asked banking associations to spread the word about the possibility of attacks. “The attacks are expected to occur in two phases,” notes the FBI alert. “Phase I will take place over a period of 10 days and target several commercial and government sites with DDoS attacks. … “Phase II is scheduled to take place on September 11, with a more widespread attack threatened, along with Web defacements.” The FBI recommends organizations: Implement data backup and recovery plans; Outline DDoS mitigation strategies; Scan and monitor e-mail attachments for malicious links or code; and Mirror and maintain images of critical systems files The FBI did not release its alert to the public, an FBI spokeswoman acknowledges. But in an effort to get the word out, the Massachusetts Bankers Association posted the FBI and FS-ISAC warnings on its site, Floreen says. The FS-ISAC alert names top-tier banks that are likely to be targeted during an upcoming attack. The list of potential attack targets includes the same 133 U.S. banking institutions named in the April 24 Anonymous post that appeared on Pastebin during the first OpUSA campaign, says financial fraud expert Al Pascual, an analyst with consultancy Javelin Strategy & Research. The FS-ISAC alert does not reference OpIsrael, but experts say OpUSA and OpIsrael are connected. Planning Attacks Gary Warner, a cyberthreat researcher at the University of Alabama at Birmingham who also works for the anti- phishing and anti- malware firm Malcovery, claims the hacktivist groups’ main focus, for now, is Israel. If attacks against Israeli targets are successful, then U.S. targets will be next, he warns. Since June, two hacktivist groups, AnonGhost and Mauritanian Attacker, have been building plans for OpIsrael Reborn, according to Warner’s research. So far, these groups have not been linked to new attacks planned for a sequel to OpUSA, Warner says. Both groups, however, were involved in OpIsrael and OpUSA, he notes. “As part of our process of watching the phishers who create counterfeit bank websites, we track where many of those criminals hang out and what sorts of things they are discussing,” he says. “We became aware of OpIsrael Reborn while reviewing posts made by criminals who have been phishing U.S. banks and Internet companies.” Announcements for the new campaign began Sept. 2. But more posts were added on Facebook and in underground forums within the last week to recruit additional attackers, he says. “AnonGhost and Mauritanian Attacker have taken the time to build a strong coalition of hackers,” Warner says. “In that June release, there were no dates, no members and no targets announced.” Since that time, attackers have honed their targets, and they claim to have already compromised several government and banking sites in Israel, he says. On Sept. 11, they plan to publish information they’ve compromised from during those attacks, Warner adds. “They claim [on YouTube ] they are going to begin publishing the internal government documents of Israel,” he says. “The video also makes reference to the recent FBI claim that they have dismantled Anonymous.” Attackers are uniting this time out of anger over those claims made by the FBI as well as recent attacks waged against Islamic businesses believed to be backed by an Israeli hacktivist group, Warner explains. So why is this wave of attacks being taken more seriously than the first OpIsrael? The sheer number of attackers, their tools and the way the hacktivist groups have been building momentum through social networking sites such as Facebook has raised serious concern, Warner says. “They’ve been gathering tools since June 9, and training attackers on how do SQL and DDoS attacks,” he says. “It’s a SANS-quality training for hackers, and they’re prepping for wiping Israel off the [online] map.” On Sept. 9, two Israeli government websites were successfully taken offline for a period of time, Warner adds. “We did not see that success in OpIsrael or OpUSA,” he says. “If they pull this thing off against Israel, they will keep hitting others,” he says. No Attack Link to Al-Qassam Experts, including Warner, say Izz ad-Din al-Qassam Cyber Fighters , the self-proclaimed hacktivist group that’s been targeting U.S. banks since September 2012, does not appear to be involved in these most recent campaigns. And although U.S. banking institutions have built up strong online defenses over the last year to mitigate cyber-threats such as DDoS attacks, other sectors are far less prepared, Javelin’s Pascual says. “The lack of success that Izz ad-Din al-Qassam achieved during the fourth round of DDoS attacks was indicative of how well fortified U.S. banks have become,” Pascual says. But Rodney Joffe , senior technologist at DDoS-mitigation provider Neustar, says security professionals should be concerned that other attackers have learned lessons from al-Qassam’s strikes. “I don’t believe there is any connection between OpUSA and AQCF [al-Qassam Cyber Fighters],” he says. “However, the reason I think it is more worrying this time is because, as I have said over and over, the underground learned a lot of groundbreaking lessons from AQCF. … And this time around, they may be more successful.” Source: http://www.bankinfosecurity.com/911-ddos-alert-for-banks-agencies-a-6054

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9/11 DDoS Alert for Banks, Agencies

Android malware spotted hitching a ride on mobile botnet

Obad boy enlists an ally for Google spam splurge Kaspersky Lab has reported the first sighting of mobile malware (Android, of course) that piggybacks on the back of a separate mobile botnet and uses the resources of other malware once it’s installed.…

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Android malware spotted hitching a ride on mobile botnet

SatoshiDice hit by DDoS attack, but bets continue

Bitcoin gambling site SatoshiDice has recovered after being felled for several days by a DDoS attack. The site went down several days ago, and was inaccessible from the Internet. Erik Voorhees, who created the site and sold it for $11.5 million in July, no longer runs the site, but naturally still has insights into how it operates. DDoS attacks happen a lot to bitcoin gambling sites, he said. “They largely wasted their money,” he said of the attackers, pointing out that the website isn’t needed for the placing of bets. It simply provides information about bet statistics, and bitcoin addresses to send to. These addresses are constant, available outside of the main site, and can easily be retained by regular gamblers even when the site goes down, meaning that bets can still be processed. “They’d have to launch an attack against the whole bitcoin network,” Voorhees said. There is a back-end computer processing the bets, but this isn’t the same computer that hosts the website. Attackers could potentially disrupt betting if they were able to find that machine, but Voorhees points out that it could easily be moved. The attack didn’t seem to affect the site’s popularity in the long term. SatoshiDice vanity addresses made up eight of the most popular bitcoin addresses used on the network overnight. Source: http://www.coindesk.com/satoshidice-hit-by-ddos-attack-but-bets-continue/

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SatoshiDice hit by DDoS attack, but bets continue

Massive spike of Tor users caused by Mevade botnet

When Project Tor director Roger Dingledine recently drew the public's attention to the unusual and considerable rise in the number of Tor users, he invited people to speculate and share plausible expl…

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Massive spike of Tor users caused by Mevade botnet

Understanding and defending against Denial of Service attacks

Denial of Service (DoS) attacks continue to be on the rise, which is no surprise given our ever-growing dependency on Web-based services, coupled with the fact that these attacks are relatively cheap …

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Understanding and defending against Denial of Service attacks

Obad Android Trojan distributed via mobile botnets

When first unearthed three months ago, the Obad Android Trojan has fascinated researchers with its sophistication. Difficult to analyze, using a bug in the Android OS to extend Device Administrato…

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Obad Android Trojan distributed via mobile botnets

Chinese authorities say massive DDoS attack took down .cn domain

Middle Kingdom pledges immediate action The China Internet Network Information Center (CINIC) has reported that on Sunday it suffered the largest ever DDoS attack it has ever experienced against the .cn domain, an assault that took ten hours to knock down.…

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Chinese authorities say massive DDoS attack took down .cn domain