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New Phorpiex Botnet Variant Steals Half a Million Dollars in Cryptocurrency

New Phorpiex Botnet Variant Steals Half a Million Dollars in Cryptocurrency

Dec 17, 2021
Cryptocurrency users in Ethiopia, Nigeria, India, Guatemala, and the Philippines are being targeted by a new variant of the Phorpiex botnet called  Twizt  that has resulted in the theft of virtual coins amounting to $500,000 over the last one year. Israeli security firm Check Point Research, which detailed the attacks, said the latest evolutionary version "enables the botnet to operate successfully without active [command-and-control] servers," adding it supports no less than 35 wallets associated with different blockchains, including Bitcoin, Ethereum, Dash, Dogecoin, Litecoin, Monero, Ripple, and Zilliqa, to facilitate crypto theft. Phorpiex , otherwise known as Trik, is known for its sextortion spam and ransomware campaigns as well as cryptojacking, a scheme that leverages the targets' devices such as computers, smartphones, and servers to secretly mine cryptocurrency without their consent or knowledge. It's also infamous for its use of a technique called  cry
ALERT! Hackers targeting IoT devices with a new P2P botnet malware

ALERT! Hackers targeting IoT devices with a new P2P botnet malware

Oct 07, 2020
Cybersecurity researchers have taken the wraps off a new botnet hijacking Internet-connected smart devices in the wild to perform nefarious tasks, mostly DDoS attacks, and illicit cryptocurrency coin mining. Discovered by Qihoo 360's Netlab security team, the  HEH Botnet  — written in Go language and armed with a proprietary peer-to-peer (P2P) protocol, spreads via a brute-force attack of the Telnet service on ports 23/2323 and can execute arbitrary shell commands. The researchers said the HEH botnet samples discovered so far support a wide variety of CPU architectures, including x86(32/64), ARM(32/64), MIPS(MIPS32/MIPS-III), and PowerPC (PPC). The botnet, despite being in its early stages of development, comes with three functional modules: a propagation module, a local HTTP service module, and a P2P module. Initially downloaded and executed by a malicious Shell script named "wpqnbw.txt," the HEH sample then uses the Shell script to download rogue programs for all
Making Sense of Operational Technology Attacks: The Past, Present, and Future

Making Sense of Operational Technology Attacks: The Past, Present, and Future

Mar 21, 2024Operational Technology / SCADA Security
When you read reports about cyber-attacks affecting operational technology (OT), it's easy to get caught up in the hype and assume every single one is sophisticated. But are OT environments all over the world really besieged by a constant barrage of complex cyber-attacks? Answering that would require breaking down the different types of OT cyber-attacks and then looking back on all the historical attacks to see how those types compare.  The Types of OT Cyber-Attacks Over the past few decades, there has been a growing awareness of the need for improved cybersecurity practices in IT's lesser-known counterpart, OT. In fact, the lines of what constitutes a cyber-attack on OT have never been well defined, and if anything, they have further blurred over time. Therefore, we'd like to begin this post with a discussion around the ways in which cyber-attacks can either target or just simply impact OT, and why it might be important for us to make the distinction going forward. Figure 1 The Pu
Chinese Authorities Arrest Hackers Behind Mozi IoT Botnet Attacks

Chinese Authorities Arrest Hackers Behind Mozi IoT Botnet Attacks

Sep 02, 2021
The operators of the Mozi IoT botnet have been taken into custody by Chinese law enforcement authorities, nearly two years after the malware emerged on the threat landscape in September 2019. News of the arrest, which originally  happened  in June, was  disclosed  by researchers from Netlab, the network research division of Chinese internet security company Qihoo 360, earlier this Monday, detailing its involvement in the operation. "Mozi uses a P2P [peer-to-peer] network structure, and one of the 'advantages' of a P2P network is that it is robust, so even if some of the nodes go down, the whole network will carry on, and the remaining nodes will still infect other vulnerable devices, that is why we can still see Mozi spreading," said Netlab, which spotted the botnet for the first time in late 2019. The development also comes less than two weeks after Microsoft Security Threat Intelligence Center  revealed  the botnet's new capabilities that enable it to inter
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9 million PCs infected with ZeroAccess botnet

9 million PCs infected with ZeroAccess botnet

Sep 19, 2012
In recent months, we've seen the rootkit family Win32/Sirefef and Win64/Sirefef (also known as ZeroAccess Botnet ) update its command and control protocol and grow to infect more computers while connecting to over one million computers globally.  Before, disclosed that it creates its own hidden partition on the hard drive and uses hidden alternative data streams to hide and thrive. Then ZeroAccess developer changed infection tactics and stopped using kernel-mode components in the latest version Security firms tracked the growth of x64 version infections. But Recently uncovered by SophosLabs that ZeroAccess botnet took a major shift in strategy and operating entirely in user-mode memory. There are two distinct ZeroAccess botnets, and each has a 32-bit version and a 64-bit version, numbering four botnets in total. Each botnet is self-contained because it communicates exclusively on a particular port number hard-coded into the bot executable. The botnets can be categorised based o
Minecraft Servers Under Attack: Microsoft Warns About Cross-Platform DDoS Botnet

Minecraft Servers Under Attack: Microsoft Warns About Cross-Platform DDoS Botnet

Dec 16, 2022 Server Security / Botnet
Microsoft on Thursday flagged a cross-platform botnet that's primarily designed to launch distributed denial-of-service (DDoS) attacks against private Minecraft servers. Called  MCCrash , the botnet is characterized by a unique spreading mechanism that allows it to propagate to Linux-based devices despite originating from malicious software downloads on Windows hosts. "The botnet spreads by enumerating default credentials on internet-exposed Secure Shell (SSH)-enabled devices," the company  said  in a report. "Because IoT devices are commonly enabled for remote configuration with potentially insecure settings, these devices could be at risk to attacks like this botnet." This also means that the malware could persist on IoT devices even after removing it from the infected source PC. The tech giant's cybersecurity division is tracking the activity cluster under its emerging moniker DEV-1028. A majority of the infections have been reported in Russia, and
An Army of Thousands of Hacked Servers Found Mining Cryptocurrencies

An Army of Thousands of Hacked Servers Found Mining Cryptocurrencies

May 05, 2017
A new botnet consisting of more than 15,000 compromised servers has been used to mine various cryptocurrencies, earning its master around $25,000 per month. Mining cryptocurrencies can be a costly investment, as it requires an enormous amount of computing power, but cybercriminals have found an easy money-making solution. Dubbed BondNet, the botnet was first spotted in December 2016 by GuardiCore researchers, who traced back the botnet malware developer, using online handle Bond007.01, to China. According to the GuardiCore researchers, Bond007.01 is currently using BondNet for mining cryptocurrencies — primarily Monero, but also ByteCoin, RieCoin, and ZCash — but they warn that the hacker could easily take full control of compromised servers for malicious purposes, like mounting Mirai-style DDoS attacks. BondNet Attacks only Windows Server Machines Since mining cryptocurrencies require large amounts of CPU/GPU power, the botnet master goes after Windows Server machin
Alleged Skynet Botnet creator arrested in Germany

Alleged Skynet Botnet creator arrested in Germany

Dec 09, 2013
The German Federal Criminal Police Office (BKA) has arrested a gang of cyber criminals believed to be responsible for creating the Skynet Botnet. Skynet was first detected by Security Firm G DATA in December 2012. It is a variant of the famous Zeus malware to steal banking credentials with DDoS attack and Bitcoin mining capabilities. The Botnet was controlled from an Internet Relay Chat (IRC) server hidden behind Tor network in order to evade sinkholing. According to a press release from German police, they arrested two people suspected of illegally generating Bitcoins worth nearly $1 million using a modified version of existing malware i.e. Skynet Botnet. German police conducted raids earlier this week on 3rd December and found evidence of other hacking activities i.e. Fraud and distribution of copyrighted pornographic material. A third person is under suspicion but has not been arrested. However, Police didn't mention Skynet Botnet in their press release, but just a day
Smominru Botnet Indiscriminately Hacked Over 90,000 Computers Just Last Month

Smominru Botnet Indiscriminately Hacked Over 90,000 Computers Just Last Month

Sep 18, 2019
Insecure Internet-connected devices have aided different types of cybercrime for years, most common being DDoS and spam campaigns. But cybercriminals have now shifted toward a profitable scheme where botnets do not just launch DDoS or spam—they mine cryptocurrencies as well. Smominru, an infamous cryptocurrency-mining and credential-stealing botnet, has become one of the rapidly spreading computer viruses that is now infecting over 90,000 machines each month around the world. Though the campaigns that are hacking computers with the Smominru botnet have not been designed to go after targets with any specific interest, the latest report from Guardicore Labs researchers shed light on the nature of the victims and the attack infrastructure. According to the researchers, just last month, more than 4,900 networks were infected by the worm without any discrimination, and many of these networks had dozens of internal machines infected. Infected networks include US-based higher-educ
Tor Anonymizing network overload caused by Mevade Botnet

Tor Anonymizing network overload caused by Mevade Botnet

Sep 08, 2013
Recently, Tor Project Director - Roger Dingledine described a sudden increase in Tor users on the Tor Network after the events related to disclosure of the PRISM surveillance program, Since August 19, 2013, there has been an impressive growth in the number of Tor users. At first, No one knew who or what is responsible for this spontaneous growth of Tor users, but Security researchers at Fox-IT firm found evidence that the spike in Tor traffic is caused by a Mevade Botnet, that hides its Command-and-Control server in the anonymizing network. The security firm documented the presence of the Mevade malware architecture based on the anonymizing network, " The malware uses a command and control connectivity via Tor .Onion links using HTTP. While some bots continue to operate using the standard HTTP connectivity, some versions of the malware use a peer-to-peer network to communicate (KAD based). " " Typically, it is fairly clear what the purpose of malw
Facebook Takes Down Bitcoin Stealing Botnet that Infected 250,000 Computers

Facebook Takes Down Bitcoin Stealing Botnet that Infected 250,000 Computers

Jul 09, 2014
Once again Facebook is on The Hacker News ! This time not for any scam or surveillance, but for a different reason.  The social networking giant has managed to take down a Greek botnet that used Facebook to spread malware and infected 250,000 computers to mine crypto-currencies, steal bitcoins, email passwords and banking details. Facebook is always one of the favourite weapon of cyber criminals, cyber thieves and scammers due to its popularity among other social media platforms. This social networking platform, with more than one billion active users, provides special opportunities for people to connect and share information, as well as also serves a great platform for malware developers and scammers. The botnet, dubbed as Lecpetex , was around from December 2013 to last month and compromised around 50,000 Facebook accounts at its peak, under which users would receive spam Facebook messages that would typically like "lol" with a zip archive attachment . O
U.S. Takes Down Kelihos Botnet After Its Russian Operator Arrested in Spain

U.S. Takes Down Kelihos Botnet After Its Russian Operator Arrested in Spain

Apr 11, 2017
A Russian computer hacker arrested over the weekend in Barcelona was apparently detained for his role in a massive computer botnet, and not for last year's US presidential election hack as reported by the Russian media. Peter Yuryevich Levashov, 32-years-old Russian computer programmer, suspected of operating the Kelihos botnet — a global network of over 100,000 infected computers that was used to deliver spam, steal login passwords, and infect computers with ransomware and other types of malware since approximately 2010, the U.S. Justice Department announced Monday. As suspected earlier, Levashov, also known as Peter Severa, is the same man who has also been listed in the World's Top 10 Worst Spammers maintained by anti-spam group Spamhaus , which has given him the 7th position in the list. The arrest was made possible after the FBI learned just last month that Levashov was traveling with his family to Spain from his home in Russia, a country without any extraditi
Source Code for IoT botnet responsible for World's largest DDoS Attack released Online

Source Code for IoT botnet responsible for World's largest DDoS Attack released Online

Oct 03, 2016
With rapidly growing Internet of Thing (IoT) devices, they have become a much more attractive target for cybercriminals. Just recently we saw a record-breaking Distributed Denial of Service (DDoS) attacks against the France-based hosting provider OVH that reached over one Terabit per second (1 Tbps), which was carried out via a botnet of infected IoT devices. Now, such attacks are expected to grow more rapidly as someone has just released the source code for IoT botnet, which was 'apparently' used to carry out world's largest DDoS attacks. Internet of Things-Botnet 'Mirai' Released Online Dubbed Mirai , the malware is a DDoS Trojan that targets BusyBox systems , a collection of Unix utilities specifically designed for embedded devices like routers. The malware is programmed to hijack connected IoT devices that are using the default usernames and passwords set by the factory before devices are first shipped to customers. Spotted by Brian Krebs , the
After Takedown, GameOver Zeus Banking Trojan Returns Again

After Takedown, GameOver Zeus Banking Trojan Returns Again

Jul 12, 2014
A month after the FBI and Europol took down the GameOver Zeus botnet by seizing servers and disrupting the botnet's operation, security researchers have unearthed a new variant of malware based explicitly on the same Gameover ZeuS that compromised users' computers and collectively formed a massive botnet. GAMEOVER ZEUS TROJAN The massive botnet, essentially a collection of zombie computers, specifically was designed to steal banking passwords with the capability to perform Denial of Service (DoS) attacks on banks and other financial institutions in order to deny legitimate users access to the site, so that the thefts kept hidden from the users. As a result of it, Gameover ZeuS' developers have stolen more than $100 million from banks, businesses and consumers worldwide. NEW GAMEOVER ZEUS TROJAN On Thursday, security researchers at the security firm Malcovery came across a series of new spam campaigns that were distributing a piece of malware based on the Gameover Zeus code which
IoT Botnets Found Using Default Credentials for C&C Server Databases

IoT Botnets Found Using Default Credentials for C&C Server Databases

Jun 05, 2018
Not following cybersecurity best practices could not only cost online users but also cost cybercriminals. Yes, sometimes hackers don't take best security measures to keep their infrastructure safe. A variant of IoT botnet, called Owari , that relies on default or weak credentials to hack insecure IoT devices was found itself using default credentials in its MySQL server integrated with command and control (C&C) server, allowing anyone to read/write their database. Ankit Anubhav, the principal security researcher at IoT security firm NewSky Security, who found the botnets, published a blog post about his findings earlier today, detailing how the botnet authors themselves kept an incredibly week username and password combination for their C&C server's database. Guess what the credentials could be? Username: root Password: root These login credentials helped Anubhav gain access to the botnet and fetch details about infected devices, the botnet authors who
FBI — Botnets Infecting 18 Computers per Second. But How Many of Them NSA Holds?

FBI — Botnets Infecting 18 Computers per Second. But How Many of Them NSA Holds?

Jul 17, 2014
Botnets - a secretly compromised networks of ordinary home and office computers with rogue software or "malware" that are controlled by an individual criminal or a group - has dramatically increased over the past several years and are considered to pose the biggest threat to the Internet. Cyber criminals have brushed-up their hacking skills and are using Botnets as a cyber weapon to carry out multiple crimes like DDoS attacks (distributed denial of service), mass spamming, page rank and advertising revenue manipulation, mining bitcoins, cyber espionage and surveillance etc. 18 BOTNET INFECTIONS PER SECOND According to the director of FBI's cyber division, Joseph Demarest, Botnet has become one of the biggest enemies of the Internet today, and therefore its impact has been significant. Yesterday during a hearing before a U.S. Senate committee, he says that every second 18 computers worldwide are part of botnet armies, which amounts to over 500 million comp
FritzFrog P2P Botnet Attacking Healthcare, Education and Government Sectors

FritzFrog P2P Botnet Attacking Healthcare, Education and Government Sectors

Feb 10, 2022
A peer-to-peer Golang botnet has resurfaced after more than a year to compromise servers belonging to entities in the healthcare, education, and government sectors within a span of a month, infecting a total of 1,500 hosts. Dubbed FritzFrog , "the decentralized botnet targets any device that exposes an SSH server — cloud instances, data center servers, routers, etc. — and is capable of running any malicious payload on infected nodes," Akamai researchers said in a report shared with The Hacker News. The new wave of attacks commenced in early December 2021, only to pick up pace and register a 10x growth in its infection rate in a month's time, while peaking at 500 incidents per day in January 2022. The cybersecurity firm said it detected infected machines in a European television channel network, a Russian manufacturer of healthcare equipment, and multiple universities in East Asia. FritzFrog was  first documented  by Guardicore in August 2020, elaborating the botnet&
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