Items tagged with botnet

No one in computer security can catch a break lately, it seems, as yet another two major cybersecurity flaws have been found related to web servers. Named Sysrv-K by security researchers on Microsoft's Security Intelligence Twitter, te vulnerabilities install botnets, which will run a crypto-coin miner on infected... Read more...
Distributed Denial of Service (DDoS) attacks can be debilitating, shutting down websites and services for hours or even days on end. Last month, a DDoS attack took down the servers running the popular online multiplayer game Among Us for almost three days. DDoS attacks attempt to overwhelm a system by flooding it with... Read more...
Generally when we talk about "botnets" we're talking about networks of devices infected with malware that serve an unintended (and usually malicious) purpose for an unknown external agent, one who controls the network with a centralized "command and control" service. An example would be the Srizbi botnet, formed by... Read more...
If you are an AT&T enterprise customer with some older technology on the edge of your network, your infrastructure may be under attack by a Russian botnet dubbed EwDoor. In late October this year, researchers at 360 Netlab discovered a threat actor attacking Edgewater Networks' devices using the four-year-old... Read more...
Network Attached Storage (NAS) devices from Synology are being targeted by the StealthWorker Botnet in an ongoing brute-force attack that could lead to ransomware infections. Perhaps we should just drop the “network attached” of NAS portion for now. According to an August 4th report, Synology’s Product Security... Read more...
Earlier in the month, Tenable security researchers discovered a vulnerability allowing attackers to bypass authentication on millions of routers from 17 different vendors. However, it now appears that threat actors are actively exploiting this to deploy malicious Mirai botnet payloads.  Evan Grant of Tenable... Read more...
Last week, hundreds if not thousands of My Book Live customers awoke to their devices being wiped and, in some cases, unrecoverable. At that time, it was simply thought that Western Digital had not patched a critical vulnerability from 2018 that allowed attackers to do this, but it seems there is more to the story... Read more...
How many times have you seen a horror movie where the villain and/or monster is defeated, only to rise back up after the heroes let their guard down? It is the blueprint for a boilerplate horror film, and it also describes what seems to be happening with Trickbot, a dastardly botnet that Microsoft and the US Military... Read more...
Approximately two weeks ago, the U.S. military’s Cyber Command, under the National Security Agency (NSA), executed a coordinated attack on the Trickbot botnet. This attack included sending disconnect commands to computers infected with the Trickbot malware, and spoofing records, so the collection of target data has... Read more...
The sheer number of malware campaigns operating online targeting users, in an attempt to steal information or extort money, is staggering. One of the recently revived botnets targeting users is called Emotet, which typically loads various types of malware and spreads via Wi-Fi networks. A vigilante hacker, however... Read more...
Check Point Research has discovered a significant increase in attacks using the Phorpiex Botnet in June 2020. The research firm found that the botnet has had a resurgence delivering the Avaddon Ransomware, which is a Ransomware-as-a-Service (RaaS) variant that first surfaced in early June. Delivery during the month... Read more...
D-Link is finally coming to terms with a Federal Trade Commission (FTC) lawsuit that was brought against it for serious lapses in security in its networking products. The FTC alleged in its lawsuit that D-Link had left its customers vulnerable to hacks by improperly securing its hardware, not following best practices... Read more...
In recent years, we've seen a number of garden variety consumer electronics devices -- including routers and webcams among others -- that have been sucked into zombie botnets to wreak havoc around the globe. Many of those devices were accessible due to extremely weak passwords that were enacted by default by their... Read more...
Just when we thought things had cooled down a bit in the botnet space, we're getting word of a new outbreak that it affecting PC users in the United States. Virobot has multi-pronged attack vector, and can not only place a victim's computer into a zombie botnet, but it also has a ransomware component. According to... Read more...
Hauwei is far and away best known for its smartphones and, to some extent, it's line of laptops like the Matebook X Pro. However, it also manufacturers routers and gateways, and one of its older models, the HG532, contains a vulnerability that a malware author exploited to create a fairly large botnet. What's... Read more...
Malware is a huge problem for computer users today as the threat posed by malicious software continues to increase. A new botnet was recently detected in a live environment for an unnamed client of Deep Instinct, a security firm. The security firm says that the botnet, dubbed Mylobot, uses three different layers of... Read more...
It's not often that the US Justice Department or FBI pleads with the public to do something, so when this happens, it's worth paying attention. This past week, the agency managed to thwart a botnet called VPNFilter by deactivating a domain that would have sent further instructions to routers belonging to ordinary folk... Read more...
The United States Federal Bureau of Investigation and Department of Justice dealt a blow to a sophisticated Russian botnet that security researchers referred to as VPNFilter. They did it  by seizing a key domain used to perpetuate the attacks. In doing so, the agencies effectively disrupted a malicious effort that was... Read more...
With Monero being relatively easy to mine compared to other cryptocurrencies, legitimate users and a bunch of nefarious users are working hard to mine the valuable digital currency. The value of Monero means that some of those nefarious users are rolling out massive botnets to shackle PCs into working for... Read more...
The largest spam botnet in the world has a new trick up its sleeve, prompting security outfit Check Point to place it back in its list of the top ten most prevalent malwares. Called Necurs, the botnet dished up more than 12 million emails in a single morning during the Thanksgiving holiday. What makes it even more... Read more...
A security firm is warning of a new botnet targeting IoT (Internet of Things) devices that is on the move. Dubbed IoT_reaper, the new botnet borrows some of the source code from Mirai, which took down the popular security blog KrebsOnSecurity with a massive DDoS attack, ultimately forcing Brian Krebs, the security... Read more...
Symantec has issued a warning that it found at least eight different apps on Google Play that were infected with a malware called Android.Sockbot. The apps all posed as add-ons for Minecraft: Pocket Edition and claimed to change the way characters look in the game with new skins. The infection from these apps was... Read more...
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