Linux crypto mining malware

A fileless worm dubbed FritzFrog has been found roping Linux-based devices — corporate servers, routers and IoT devices — with SSH servers into a P2P botnet whose apparent goal is to mine cryptocurrency. Simultaneously, though, the malware creates a backdoor on the infected machines, allowing attackers to access it at a later date even if the SSH password has been changed in the meantime. Additionally, it is possible that FritzFrog is a P2P-infrastructure-as-a-service; since it is robust enough to run any executable file or script on victim machines, this botnet can potentially be sold in the darknet and be the genie of its operators, fulfilling any of its malicious wishes. FritzFrog is a modular, multi-threaded and fileless SSH internet worm that attempts to grow a P2P botnet by breaking into public IP addresses, ignoring known ranges saved for private addresses.



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WATCH RELATED VIDEO: Cryptomining Malware Launches Linux VMs On Windows and macOS

New cryptomining malware builds an army of Windows, Linux bots


The latter has a service widely used on the Internet: Amazon Web Services, which could be dangerous since the virus has the ability to spread between servers on the network. However, no incidents have been reported with these companies, except for Oracle WebLogic , due a known vulnerability, say researchers.

The Uptycs firm published a report where he explains how a malware worm type, when it infects a Linux-based network server, can disable predictive memory and performance features of hardware or CPU , specifically the hardware prefetching. The hardware prefetching It consists of a series of processes that allow the software to predict the way in which it will manage memory and overall performance, before the operations that will be executed later, and cache these instructions , to transmit them to main memory when the time comes.

Having obtained the necessary space and capacity, the worm can download, install and deploy a software known as XMRig , which is open source and widely used by the monero miners XMR community around the world.

In this case, the attacker would maliciously apply this mining software, taking advantage of the victim to obtain XMR fraudulently, in addition to potentially infecting other computers.

The researchers note that the first version of this virus had been detected in December , and it was also intended to mine XMR. However, he did not have the ability to disable the hardware prefetching , allowing you to get better performance from mining. The new variant of the worm was identified in June by our threat intelligence system. Although some functions were similar to those discussed by the firm Intezer last year, the new variants of this malware have a lot of capabilities up their sleeve.

The firm argues that while XMRig mining software is not malicious, it includes a recommendation in its Open Source for users to get better performance from mining, optimizing performance of the RandomX algorithm, with which the Monero network works.

Uptycs concluded the investigation by noting that the malwares Miners remain a latent and constant threat in the ecosystem. They also warn that drivers used by the virus can leave permanent damage to the functioning of the servers of entities and companies that are part of important networks in the corporate world.

Although Amazon has not been affected by this particular virus, as far as information is available, in August it was affected by a malicious XMR miner, CriptoNoticias reported. Web servers can be attractive for different types of malware not only because of the enormous memory and processing capacity they have, but also because of the connectivity they enjoy, which facilitates the infection of malware on other computers and servers over networks web.

See author's posts. Part of the malicious code detected in the Uptycs investigation. The virus introduces a registry modification driver or MSR, which in turn allows it to stop or enable processes related to the infected hardware. Source: Uptycs. Betty Foster. Tags: Golang Linux malware Moneromining Servers variant web works. More Stories 4 min read.

Crypto News. January 28, You may have missed. International News. January 28, Susan Hall. January 28, Pauline Potteer.



Detection of illicit cryptomining using network metadata

Rocke has primarily been associated with cryptocurrency mining payloads and the Xbash malware family. However, in recent campaigns, notably those examined by Talos Group and Unit 42 in August and January respectively, the adversary has combined its cryptocurrency mining payloads with a script to establish persistence and uninstall security software that may prevent it from executing. Depending on the configuration of web applications in your organization, legitimate command shells may appear very similarly to web shells and RCE vulnerabilities when examined via endpoint detection and response EDR telemetry. Since Rocke exploits a diverse array of services, it may be more effective to approach detection from a reporting perspective rather than an alerting perspective.

Originally designed to attack containers, Linux malware has evolved to target cloud environments, claim researchers.

Sonatype Blog

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LemonDuck is a new crypto-mining malware targeting Windows and Linux systems

linux crypto mining malware

A new cryptocurrency mining malware strain targeting Linux computers and capable of obfuscating itself from both the user and process monitoring tools using a rootkit has been discovered by a team of Trend Micro security researchers. Because there is no apparent way through which the cryptomining malware manages to compromise and infect the Linux boxes, Trend Micro's researchers think that the bad actors behind this malware strain have been able to compromise a legitimate app and use it to install their malicious tools on targets' computers. Trend Micro named the Monero-mining malware Coinminer. AB and the rootkit component it uses to hide as Rootkit. The coinminer conceals itself in plain sight without the user being able to point out why the Linux-powered machine has performance issues given that most system monitoring tools will say that all running processes are behaving properly, with the "kworkerds" processes the malware spawns being hidden by the rootkit.

While cryptocurrency mining malware has generally been targeted at PCs running the Windows OS, owners of Linux-based machines are now experiencing a taste of malware misery too. Computer security company Symantec has identified a new version of an old worm that has been going after Linux-based routers and set-top boxes for some time.

Infected with Bitcoin Mining pool zombie??

Researchers discovered a new cryptocurrency mining malware that is targeting vulnerable computers to mine Monero XMR. Dubbed as GoLang, the malware is written in the Go programing language and targets vulnerable Linux-based servers. In the last few weeks, multiple cybersecurity research groups reported about the malware and, according to the researchers at Trend Micro, the malware not only targets a vulnerable server but also tries to propagate in the entire network. Another research group, F5, detailed that the malware spreads through seven methods in a network - four methods involve targeting the server-level programming languages, while others involve the misconfigured credentials in the SSH or Redis database. The researchers also detailed that the malicious code first sends a GET request to ident. If any open port is found in a server, the malware sends a request to download a payload hosted on Pastebin.


The “Golang” Variant: This Is How Monero-mining Malware Works On Linux Web Servers

The administrator of your personal data will be Threatpost, Inc. Detailed information on the processing of personal data can be found in the privacy policy. In addition, you will find them in the message confirming the subscription to the newsletter. Cryptocurrency-mining malware, called WatchDog, has been running under the radar for more than two years — in what researchers call one of the largest and longest-lasting Monero cryptojacking attacks to date. The attack is still in operation as of this writing — and due to the size and scope of the infrastructure, it will be difficult to fully contain, researchers told Threatpost. Thus far, attackers have hijacked at least Windows and Linux devices, in order to abuse their system resources for mining Monero cryptocurrency.

“SpeakUp's obfuscated payloads and propagation technique represent a significant threat, beyond deploying basic crypto-mining malware,” it.

New Delhi: Microsoft has warned customers about a new crypto mining malware that can steal credentials, remove security controls, spread via emails and ultimately drop more tools for human-operated activity. The malware can quickly take advantage of news , events, or the release of new exploits to run effective campaigns. In , it exploited newly patched Exchange Server vulnerabilities to gain access to outdated systems,» Microsoft informed.


It has been a while since we last saw a new malware threat in the form of a cryptocurrency miner. Do not be mistaken in thinking cybercriminals have given up on the idea, though. A new cryptocurrency mining malware referred to as Linux. Unlike what the name suggests, it does not mine Bitcoin but is more interested in Monero. Additionally, it only targets X and ARM hardware-based devices. People who have kept tabs on the cryptocurrency mining malware scene may recognize the BTCMine name.

By Nathaniel Quist. Category: Cloud , Malware , Unit

If you are one of those people who use the default "Pi" username on Raspberry Pi , it is time to pay attention. Web, an anti-malware company, has now discovered a new malware that goes by the name Linux. In order for the Raspberry Pi to catch the malware, the device is required to be kept on with SSH ports open, as pointed out in a report by The Register. The Dr. Web describes the malware by saying the trojan "is a script that contains a compressed and encrypted application designed to mine cryptocurrency. Web says that the malware changes the passwords of the devices that it infects and then unpacks and launches a miner. Then, the malware, in an infinite loop, starts searching for network nodes with an open port 22, as per the antivirus company.

A familiar malware has made the jump from Windows to Linux systems and is spreading via numerous routes. LemonDuck is a targeted attack that originally focused on vulnerabilities found in Microsoft's Exchange server to enable crypto mining on the compromised system. To make this attack even more vicious, LemonDuck removes other attackers from a compromised device to get rid of competing malware. LemonDuck initially set its sights on Windows servers but has since expanded to Linux systems as well.


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