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Category — botnet malware
'Satori' IoT DDoS Botnet Operator Sentenced to 13 Months in Prison

'Satori' IoT DDoS Botnet Operator Sentenced to 13 Months in Prison

Jun 26, 2020
The United States Department of Justice yesterday sentenced a 22-year-old Washington-based hacker to 13 months in federal prison for his role in creating botnet malware, infecting a large number of systems with it, and then abusing those systems to carry out large scale distributed denial-of-service (DDoS) attacks against various online service and targets. According to court documents, Kenneth Currin Schuchman , a resident of Vancouver, and his criminal associates–Aaron Sterritt and Logan Shwydiuk–created multiple DDoS botnet malware since at least August 2017 and used them to enslave hundreds of thousands of home routers and other Internet-connected devices worldwide. Dubbed Satori, Okiru, Masuta, and Tsunami or Fbot, all these botnets were the successors of the infamous IoT malware Mirai , as they were created mainly using the source code of Mirai, with some additional features added to make them more sophisticated and effective against evolving targets. Even after the orig
Chinese Researchers Disrupt Malware Attack That Infected Thousands of PCs

Chinese Researchers Disrupt Malware Attack That Infected Thousands of PCs

May 27, 2020
Chinese security firm Qihoo 360 Netlab said it partnered with tech giant Baidu to disrupt a malware botnet infecting over hundreds of thousands of systems. The botnet was traced back to a group it calls ShuangQiang (also called Double Gun ), which has been behind several attacks since 2017 aimed at compromising Windows computers with MBR and VBR bootkits , and installing malicious drivers for financial gain and hijack web traffic to e-commerce sites. In addition to using images uploaded to Baidu Tieba to distribute configuration files and malware — a technique called steganography — the group has begun using Alibaba Cloud storage to host configuration files and Baidu's analytics platform Tongji to manage the activity of its infected hosts, the researchers said. The initial compromise relies on luring unsuspecting users to install game launching software from sketchy game portals that contain malicious code under the guise of a patch. Once the user downloads and inst
9 Steps to Get CTEM on Your 2025 Budgetary Radar

9 Steps to Get CTEM on Your 2025 Budgetary Radar

Nov 06, 2024Threat Management / Business Continuity
Budget season is upon us, and everyone in your organization is vying for their slice of the pie. Every year, every department has a pet project that they present as absolutely essential to profitability, business continuity, and quite possibly the future of humanity itself. And no doubt that some of these actually may be mission critical. But as cybersecurity professionals, we understand that the rollout of a viable CTEM ( Continuous Threat Exposure Management ) program actually is . In any year, cybersecurity investments are tough budgetary sells – they're hard to quantify and don't always clearly drive revenues or cut costs. In today's belt-tightening climate, all the more so. Even though cybersecurity budgets will likely grow this year according to Forrester, it's still important to make sure today that CTEM doesn't slip down the budget priority list.  In this article, we'll discuss how to keep CTEM on the budgetary radar. But First – Here are Some Reasons Why CTEM is Objectiv
Malicious USB Drives Infect 35,000 Computers With Crypto-Mining Botnet

Malicious USB Drives Infect 35,000 Computers With Crypto-Mining Botnet

Apr 24, 2020
Cybersecurity researchers from ESET on Thursday said they took down a portion of a malware botnet comprising at least 35,000 compromised Windows systems that attackers were secretly using to mine Monero cryptocurrency. The botnet, named "VictoryGate," has been active since May 2019, with infections mainly reported in Latin America, particularly Peru accounting for 90% of the compromised devices. "The main activity of the botnet is mining Monero cryptocurrency," ESET said . "The victims include organizations in both public and private sectors, including financial institutions." ESET said it worked with dynamic DNS provider No-IP to take down the malicious command-and-control (C2) servers and that it set up fake domains (aka sinkholes) to monitor the botnet's activity. The sinkhole data shows that between 2,000 and 3,500 infected computers connected to the C2 servers on a daily basis during February and March this year. According to ESET res
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Dark Nexus: A New Emerging IoT Botnet Malware Spotted in the Wild

Dark Nexus: A New Emerging IoT Botnet Malware Spotted in the Wild

Apr 08, 2020
Cybersecurity researchers have discovered a new emerging IoT botnet threat that leverages compromised smart devices to stage ' distributed denial-of-service ' attacks, potentially triggered on-demand through platforms offering DDoS-for-hire services. The botnet, named "dark_nexus" by Bitdefender researchers, works by employing credential stuffing attacks against a variety of devices, such as routers (from Dasan Zhone, Dlink, and ASUS), video recorders, and thermal cameras, to co-opt them into the botnet. So far, dark_nexus comprises at least 1,372 bots, acting as a reverse proxy, spanning across various locations in China, South Korea, Thailand, Brazil, and Russia. "While it might share some features with previously known IoT botnets, the way some of its modules have been developed makes it significantly more potent and robust," the researchers said . "For example, payloads are compiled for 12 different CPU architectures and dynamically deliver
Microsoft Hijacks Necurs Botnet that Infected 9 Million PCs Worldwide

Microsoft Hijacks Necurs Botnet that Infected 9 Million PCs Worldwide

Mar 10, 2020
Microsoft today announced that it has successfully disrupted the botnet network of the Necurs malware, which has infected more than 9 million computers globally, and also hijacked the majority of its infrastructure. The latest botnet takedown was the result of a coordinated operation involving international police and private tech companies across 35 countries. The operation was conducted successfully after researchers successfully broke the domain generation algorithm (DGA) implemented by the Necurs malware, which helped it remain resilient for a long time. DGA is basically a technique to unpredictably generate new domain names at regular intervals, helping malware authors to continuously switch the location of C&C servers and maintain undisrupted digital communication with the infected machines. "We were then able to accurately predict over six million unique domains that would be created in the next 25 months. Microsoft reported these domains to their respective r
14 Ways to Evade Botnet Malware Attacks On Your Computers

14 Ways to Evade Botnet Malware Attacks On Your Computers

Dec 18, 2019
Cybercriminals are busy innovators, adapting their weapons and attack strategies, and ruthlessly roaming the web in search of their next big score. Every manner of sensitive information, such as confidential employee records, customers' financial data, protected medical documents, and government files, are all subject to their relentless threats to cybersecurity . Solutions span a broad spectrum, from training email users to ensuring a VPN kill switch is in place, to adding extensive advanced layers of network protection. To successfully guard against severe threats from hackers, worm viruses to malware, such as botnet attacks, network managers need to use all tools and methods that fit well into a comprehensive cyber defense strategy. Of all the menaces mentioned above to a website owner's peace of mind, botnets arguably present the most unsettling form of security risk. They're not the mere achievements of malicious amateur cybercriminals. They're state
French Police Remotely Removed RETADUP Malware from 850,000 Infected PCs

French Police Remotely Removed RETADUP Malware from 850,000 Infected PCs

Aug 28, 2019
The French law enforcement agency, National Gendarmerie, today announced the successful takedown of one of the largest wide-spread RETADUP botnet malware and how it remotely disinfected more than 850,000 computers worldwide with the help of researchers. Earlier this year, security researchers at Avast antivirus firm, who were actively monitoring the activities of RETADUP botnet, discovered a design flaw in the malware's C&C protocol that could have been exploited to remove the malware from victims' computer without executing any extra code. However, to do that, the plan required researchers to have control over the malware's C&C server, which was hosted with a hosting provider located in the Ile-de-France region in north-central France. Therefore, the researchers contacted the Cybercrime Fighting Center (C3N) of the French National Gendarmerie at the end of March this year, shared their findings, and proposed a secret plan to put an end to the RETADUP vir
Linux Botnet Adding BlueKeep-Flawed Windows RDP Servers to Its Target List

Linux Botnet Adding BlueKeep-Flawed Windows RDP Servers to Its Target List

Jul 25, 2019
Cybersecurity researchers have discovered a new variant of WatchBog , a Linux-based cryptocurrency mining malware botnet, which now also includes a module to scan the Internet for Windows RDP servers vulnerable to the Bluekeep flaw . BlueKeep is a highly-critical, wormable, remote code execution vulnerability in the Windows Remote Desktop Services that could allow an unauthenticated remote attacker to take full control over vulnerable systems just by sending specially crafted requests over RDP protocol. Though the patches for the BlueKeep vulnerability (CVE–2019-0708) was already released by Microsoft in May this year, more than 800,000 Windows machines accessible over the Internet are still vulnerable to the critical flaw. Fortunately, even after many individuals in the security community developed working remote code exploits for BlueKeep, there is no public proof-of-concept (PoC) exploit available till the date, potentially preventing opportunistic hackers from wreaking h
New Malware Combines Ransomware, Coin Mining and Botnet Features in One

New Malware Combines Ransomware, Coin Mining and Botnet Features in One

Sep 19, 2018
Windows and Linux users need to beware, as an all-in-one, destructive malware strain has been discovered in the wild that features multiple malware capabilities including ransomware, cryptocurrency miner, botnet, and self-propagating worm targeting Linux and Windows systems. Dubbed XBash, the new malware, believed to be tied to the Iron Group, a.k.a. Rocke—the Chinese speaking APT threat actors group known for previous cyber attacks involving ransomware and cryptocurrency miners . According to the researchers from security vendor Palo Alto Networks, who uncovered the malware, XBash is an all-in-one malware that features ransomware and cryptocurrency mining capabilities, as well as worm-like ability similar to WannaCry or Petya/ NotPetya . In addition to self-propagating capabilities, XBash also contains a functionality, which is not yet implemented, that could allow the malware to spread quickly within an organization's network. Developed in Python, XBash hunts for vul
Russian Hacker Pleads Guilty to Operating Kelihos Botnet

Russian Hacker Pleads Guilty to Operating Kelihos Botnet

Sep 13, 2018
The Russian man who was accused of operating the infamous Kelihos botnet has finally pleaded guilty in a U.S. federal court. Peter Yuryevich Levashov , 38, of St. Petersburg, Russia, pleaded guilty on Wednesday in U.S. federal court in Connecticut to computer crime, wire fraud, conspiracy and identity theft charges. Levashov, also known by many online aliases including Peter Severa, Petr Levashov, Petr Severa and Sergey Astakhov, has admitted of operating several botnets, including the Storm, Waledac and Kelihos botnets, since the late 1990s until he was arrested in April 2017 . Kelihos botnet, dated back to 2010, was a global network of tens of thousands of infected computers that were used to steal login credentials, send bulk spam emails, and infect computers with ransomware and other malware. Russian Hacker Infects 50,000 Computers With Kelihos Botnet Storm and Waledac botnets also shared Kelihos code, but kelihos was the most notorious botnet of all that alone infect
Prowli Malware Targeting Servers, Routers, and IoT Devices

Prowli Malware Targeting Servers, Routers, and IoT Devices

Jun 07, 2018
After the discovery of massive VPNFilter malware botnet , security researchers have now uncovered another giant botnet that has already compromised more than 40,000 servers, modems and internet-connected devices belonging to a wide number of organizations across the world. Dubbed Operation Prowli , the campaign has been spreading malware and injecting malicious code to take over servers and websites around the world using various attack techniques including use of exploits, password brute-forcing and abusing weak configurations. Discovered by researchers at the GuardiCore security team, Operation Prowli has already hit more than 40,000 victim machines from over 9,000 businesses in various domains, including finance, education and government organisations. Here's the list devices and services infected by the Prowli malware: Drupal and WordPress CMS servers hosting popular websites Joomla! servers running the K2 extension Backup servers running HP Data Protector softw
Destructive and MiTM Capabilities of VPNFilter Malware Revealed

Destructive and MiTM Capabilities of VPNFilter Malware Revealed

Jun 06, 2018
It turns out that the threat of the massive VPNFilter botnet malware that was discovered late last month is beyond what we initially thought. Security researchers from Cisco's Talos cyber intelligence have today uncovered more details about VPNFilter malware, an advanced piece of IoT botnet malware that infected more than 500,000 routers in at least 54 countries, allowing attackers to spy on users, as well as conduct destructive cyber operations. Initially, it was believed that the malware targets routers and network-attached storage from Linksys, MikroTik, NETGEAR, and TP-Link, but a more in-depth analysis conducted by researchers reveals that the VPNFilter also hacks devices manufactured by ASUS, D-Link, Huawei, Ubiquiti, QNAP, UPVEL, and ZTE. "First, we have determined that are being targeted by this actor, including some from vendors that are new to the target list. These new vendors are. New devices were also discovered from Linksys, MikroTik, Netgear, and TP-L
5 Powerful Botnets Found Exploiting Unpatched GPON Router Flaws

5 Powerful Botnets Found Exploiting Unpatched GPON Router Flaws

May 10, 2018
Well, that did not take long. Within just 10 days of the disclosure of two critical vulnerabilities in GPON router at least 5 botnet families have been found exploiting the flaws to build an army of million devices. Security researchers from Chinese-based cybersecurity firm Qihoo 360 Netlab have spotted 5 botnet families, including Mettle, Muhstik, Mirai, Hajime, and Satori, making use of the GPON exploit in the wild. As detailed in our previous post, Gigabit-capable Passive Optical Network (GPON) routers manufacturer by South Korea-based DASAN Zhone Solutions have been found vulnerable to an authentication bypass ( CVE-2018-10561 ) and a root-RCE ( CVE-2018-10562 ) flaws that eventually allow remote attackers to take full control of the device. Shortly after the details of the vulnerabilities went public, 360 Netlab researchers warned of threat actors exploiting both the flaws to hijack and add the vulnerable routers into their botnet malware networks. Now, the researche
Pre-Installed Malware Found On 5 Million Popular Android Phones

Pre-Installed Malware Found On 5 Million Popular Android Phones

Mar 15, 2018
Security researchers have discovered a massive continuously growing malware campaign that has already infected nearly 5 million mobile devices worldwide. Dubbed RottenSys , the malware that disguised as a 'System Wi-Fi service' app came pre-installed on millions of brand new smartphones manufactured by Honor, Huawei, Xiaomi, OPPO, Vivo, Samsung and GIONEE—added somewhere along the supply chain. All these affected devices were shipped through Tian Pai, a Hangzhou-based mobile phone distributor, but researchers are not sure if the company has direct involvement in this campaign. According to Check Point Mobile Security Team, who uncovered this campaign, RottenSys is an advanced piece of malware that doesn't provide any secure Wi-Fi related service but takes almost all sensitive Android permissions to enable its malicious activities. "According to our findings, the RottenSys malware began propagating in September 2016. By March 12, 2018, 4,964,460 devices were
Hackers Exploiting Three Microsoft Office Flaws to Spread Zyklon Malware

Hackers Exploiting Three Microsoft Office Flaws to Spread Zyklon Malware

Jan 17, 2018
Security researchers have spotted a new malware campaign in the wild that spreads an advanced botnet malware by leveraging at least three recently disclosed vulnerabilities in Microsoft Office. Dubbed Zyklon , the fully-featured malware has resurfaced after almost two years and primarily found targeting telecommunications, insurance and financial services. Active since early 2016, Zyklon is an HTTP botnet malware that communicates with its command-and-control servers over Tor anonymising network and allows attackers to remotely steal keylogs, sensitive data, like passwords stored in web browsers and email clients. Zyklon malware is also capable of executing additional plugins, including secretly using infected systems for DDoS attacks and cryptocurrency mining. Different versions of the Zyklon malware has previously been found being advertised on a popular underground marketplace for $75 (normal build) and $125 ( Tor-enabled build). According to a recently published report
Satori IoT Botnet Exploits Zero-Day to Zombify Huawei Routers

Satori IoT Botnet Exploits Zero-Day to Zombify Huawei Routers

Dec 23, 2017
Although the original creators of the infamous IoT malware Mirai have already been arrested and sent to jail, the variants of the notorious botnet are still in the game due to the availability of its source code on the Internet. Hackers have widely used the infamous IoT malware to quietly amass an army of unsecured internet-of-things devices , including home and office routers, that could be used at any time by hackers to launch Internet-paralyzing DDoS attacks . Another variant of Mirai has hit once again, propagating rapidly by exploiting a zero-day vulnerability in a Huawei home router model. Dubbed Satori (also known as Okiru), the Mirai variant has been targeting Huawei's router model HG532, as Check Point security researchers said they tracked hundreds of thousands of attempts to exploit a vulnerability in the router model in the wild. Identified initially by Check Point researchers late November, Satori was found infecting more than 200,000 IP addresses in just
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