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Cybersecurity researchers have shed more light on a remote access trojan (RAT) known as Deuterbear used by the China-linked  BlackTech  hacking group as part of a cyber espionage campaign targeting the Asia-Pacific region this year. "Deuterbear, while similar to Waterbear in many ways, shows advancements in capabilities such as including support for shellcode plugins, avoiding handshakes for RAT operation, and using HTTPS for C&C communication," Trend Micro researchers Pierre Lee and Cyris Tseng  said  in a new analysis. "Comparing the two malware variants, Deuterbear uses a shellcode format, possesses anti-memory scanning, and shares a traffic key with its downloader unlike Waterbear." BlackTech , active since at least 2007, is also tracked by the broader cybersecurity community under the monikers Circuit Panda, Earth Hundun, HUAPI, Manga Taurus, Palmerworm, Red Djinn, and Temp.Overboard. Cyber attacks orchestrated by the group have long involved the depl...

Atlanta-based cyber risk intelligence company, Cyble discovered a new Remote Access Trojan (RAT) malware. What makes this particular RAT malware distinct enough to be named after the  comic creation of Sacha Baron Cohen ? RAT malware typically helps cybercriminals gain complete control of a victim's system, permitting them to access network resources, files, and power to toggle the mouse and keyboard. Borat RAT malware goes beyond the standard features and enables threat actors to deploy ransomware and  DDoS attacks . It also increases the number of threat actors who can launch attacks, sometimes appealing to the lowest common denominator. The added functionality of carrying out DDoS attacks makes it insidious and a risk to today's digital organizations. Ransomware has been the most common top attack type for over  three years . According to an IBM report, REvil was the most common ransomware strain, consisting of about  37%  of all ransomware attacks. Borat ...

A threat actor with ties to Pakistan has been observed targeting various sectors in India with various remote access trojans like Xeno RAT, Spark RAT, and a previously undocumented malware family called CurlBack RAT . The activity, detected by SEQRITE in December 2024, targeted Indian entities under railway, oil and gas, and external affairs ministries, marking an expansion of the hacking crew's targeting footprint beyond government, defence, maritime sectors, and universities. "One notable shift in recent campaigns is the transition from using HTML Application (HTA) files to adopting Microsoft Installer (MSI) packages as a primary staging mechanism," security researcher Sathwik Ram Prakki said . SideCopy is suspected to be a sub-cluster within Transparent Tribe (aka APT36) that's active since at least 2019. It's so named for mimicking the attack chains associated with another threat actor called SideWinder to deliver its own payloads. In June 2024, SEQR...

Cybersecurity researchers have disclosed a new malware campaign that leverages a malware loader named PureCrypter to deliver a commodity remote access trojan (RAT) called DarkVision RAT. The activity, observed by Zscaler ThreatLabz in July 2024, involves a multi-stage process to deliver the RAT payload. "DarkVision RAT communicates with its command-and-control (C2) server using a custom network protocol via sockets," security researcher Muhammed Irfan V A said in an analysis. "DarkVision RAT supports a wide range of commands and plugins that enable additional capabilities such as keylogging, remote access, password theft, audio recording, and screen captures." PureCrypter, first publicly disclosed in 2022, is an off-the-shelf malware loader that's available for sale on a subscription basis, offering customers the ability to distribute information stealers, RATs, and ransomware. The exact initial access vector used to deliver PureCrypter and, by extensio...

Orcus  is a Remote Access Trojan with some distinctive characteristics. The RAT allows attackers to create plugins and offers a robust core feature set that makes it quite a dangerous malicious program in its class. RAT is quite a stable type that always makes it to the top. ANY.RUN’s top malware types in 2022 That's why you'll definitely come across this type in your practice, and the Orcus family specifically. To simplify your analysis, we have collected 3 lifehacks you should take advantage of. Here we go. What is Orcus RAT?  Definition . Orcus RAT is a type of malicious software program that enables remote access and control of computers and networks. It is a type of Remote Access Trojan (RAT) that has been used by attackers to gain access to and control computers and networks. Capabilities . Once downloaded onto a computer or network, it begins to execute its malicious code, allowing the attacker to gain access and control. It is capable of stealing data, conducti...

A previously undocumented cross-platform malware codenamed Noodle RAT has been put to use by Chinese-speaking threat actors either for espionage or cybercrime for years. While this backdoor was previously categorized as a variant of Gh0st RAT and Rekoobe , Trend Micro security researcher Hara Hiroaki said "this backdoor is not merely a variant of existing malware, but is a new type altogether." Noodle RAT, which also goes by the monikers ANGRYREBEL and Nood RAT , comes in both Windows and Linux flavors, and is believed to have been put to use since at least July 2016. The remote access trojan Gh0st RAT first surfaced in 2008 when a China threat group called the C. Rufus Security Team made its source code publicly available. Over the years, the malware – alongside other tools like PlugX and ShadowPad – has become a hallmark of Chinese government hackers, who have used it in numerous campaigns and attacks. The Windows version of Noodle RAT, an in-memory modular backd...

An "intricately designed" remote access trojan (RAT) called  Xeno RAT  has been made available on GitHub, making it easily accessible to other actors at no extra cost. Written in C# and compatible with Windows 10 and Windows 11 operating systems, the open-source RAT comes with a "comprehensive set of features for remote system management," according to its developer, who goes by the name moom825. It includes a SOCKS5 reverse proxy and the ability to record real-time audio, as well as incorporate a hidden virtual network computing ( hVNC ) module along the lines of  DarkVNC , which allows attackers to gain remote access to an infected computer. "Xeno RAT is developed entirely from scratch, ensuring a unique and tailored approach to remote access tools," the developer  states  in the project description. Another notable aspect is that it has a builder that enables the creation of bespoke variants of the malware.  It's worth noting that moom825 is a...

Threat hunters are calling attention to a new variant of a remote access trojan (RAT) called Chaos RAT that has been used in recent attacks targeting Windows and Linux systems. According to findings from Acronis, the malware artifact may have been distributed by tricking victims into downloading a network troubleshooting utility for Linux environments. "Chaos RAT is an open-source RAT written in Golang, offering cross-platform support for both Windows and Linux systems," security researchers Santiago Pontiroli, Gabor Molnar, and Kirill Antonenko said in a report shared with The Hacker News. "Inspired by popular frameworks such as Cobalt Strike and Sliver, Chaos RAT provides an administrative panel where users can build payloads, establish sessions, and control compromised machines." While work on the "remote administration tool" started way back in 2017, it did not attract attention until December 2022 , when it was put to use in a malicious campaig...

The threat actor known as TA558 has been attributed to a fresh set of attacks delivering various remote access trojans (RATs) like Venom RAT to breach hotels in Brazil and Spanish-speaking markets. Russian cybersecurity vendor Kaspersky is tracking the activity, observed in summer 2025, to a cluster it tracks as RevengeHotels. "The threat actors continue to employ phishing emails with invoice themes to deliver Venom RAT implants via JavaScript loaders and PowerShell downloaders," the company said . "A significant portion of the initial infector and downloader code in this campaign appears to be generated by large language model (LLM) agents." The findings demonstrate a new trend among cybercriminal groups to leverage artificial intelligence (AI) to bolster their tradecraft. Known to be active since at least 2015, RevengeHotels has a history of hospitality, hotel, and travel organizations in Latin America with the goal of installing malware on compromised syste...

The popular HTTP client known as Axios has suffered a supply chain attack after two newly published versions of the npm package introduced a malicious dependency that delivers a trojan capable of targeting Windows, macOS, and Linux systems. Versions 1.14.1 and 0.30.4 of Axios have been found to inject " plain-crypto-js " version 4.2.1 as a fake dependency. According to StepSecurity, the two versions were published using the compromised npm credentials of the primary Axios maintainer ("jasonsaayman"), allowing the attackers to bypass the project's GitHub Actions CI/CD pipeline. "Its sole purpose is to execute a postinstall script that acts as a cross-platform remote access trojan (RAT) dropper, targeting macOS, Windows, and Linux," security researcher Ashish Kurmi said . "The dropper contacts a live command and control server and delivers platform-specific second-stage payloads. After execution, the malware deletes itself and replaces its own...

Cybersecurity researchers have discovered an intricate multi-stage attack that leverages invoice-themed phishing decoys to deliver a wide range of malware such as  Venom RAT , Remcos RAT, XWorm, NanoCore RAT, and a stealer that targets crypto wallets. The email messages come with Scalable Vector Graphics (SVG) file attachments that, when clicked, activate the infection sequence, Fortinet FortiGuard Labs  said  in a technical report. The modus operandi is notable for the use of the BatCloak malware obfuscation engine and ScrubCrypt to deliver the malware in the form of obfuscated batch scripts. BatCloak , offered for sale to other threat actors since late 2022, has its foundations in another tool called Jlaive. Its primary function is to load a next-stage payload in a manner that circumvents traditional detection mechanisms. ScrubCrypt, a crypter that was  first documented  by Fortinet in March 2023 in connection with a cryptojacking campaign orchestra...

The remote access trojan (RAT) known as Remcos RAT has been found being propagated via webhards by disguising it as adult-themed games in South Korea. WebHard, short for  web hard drive , is a popular online file storage system used to upload, download, and share files in the country. While webhards have been used in the past to deliver  njRAT ,  UDP RAT, and DDoS botnet malware , the AhnLab Security Emergency Response Center's (ASEC) latest analysis shows that the technique has been adopted to distribute Remcos RAT. In these attacks, users are tricked into opening booby-trapped files by passing them off as adult games, which, when launched, execute malicious Visual Basic scripts in order to run an intermediate binary named "ffmpeg.exe." This results in the retrieval of Remcos RAT from an actor-controlled server. A sophisticated RAT, Remcos (aka Remote Control and Surveillance) facilitates unauthorized remote control and surveillance of compromised hosts, enablin...

Threat actors operating under the name Anonymous Arabic have released a remote access trojan (RAT) called  Silver RAT  that’s equipped to bypass security software and stealthily launch hidden applications. “The developers operate on multiple hacker forums and social media platforms, showcasing an active and sophisticated presence,” cybersecurity firm Cyfirma  said  in a report published last week. The actors, assessed to be of Syrian origin and linked to the development of another RAT known as S500 RAT, also run a Telegram channel offering various services such as the distribution of cracked RATs, leaked databases, carding activities, and the sale of Facebook and X (formerly Twitter) bots. The social media bots are then utilized by other cyber criminals to promote various illicit services by automatically engaging with and commenting on user content. In-the-wild detections of Silver RAT v1.0 were first observed in November 2023, although the threat actor’s plan...

The U.S. Justice Department (DoJ) on Friday announced the seizure of online infrastructure that was used to sell a remote access trojan (RAT) called  Warzone RAT . The domains –  www.warzone[.]ws  and three others – were "used to sell computer malware used by cybercriminals to secretly access and steal data from victims' computers," the DoJ  said . Alongside the takedown, the international law enforcement effort has arrested and indicted two individuals in Malta and Nigeria for their involvement in selling and supporting the malware and helping other cybercriminals use the RAT for malicious purposes. The defendants, Daniel Meli (27) and Prince Onyeoziri Odinakachi (31) have been charged with unauthorized damage to protected computers, with the former also accused of "illegally selling and advertising an electronic interception device and participating in a conspiracy to commit several computer intrusion offenses." Meli is alleged to have offered malware se...

A hacking group with ties other than Pakistan has been found targeting Indian government organizations with a modified variant of a remote access trojan (RAT) called DRAT. The activity has been attributed by Recorded Future's Insikt Group to a threat actor tracked as TAG-140, which it said overlaps with SideCopy , an adversarial collective assessed to be an operational sub-cluster within Transparent Tribe (aka APT-C-56, APT36, Datebug, Earth Karkaddan, Mythic Leopard, Operation C-Major, and ProjectM). "TAG-140 has consistently demonstrated iterative advancement and variety in its malware arsenal and delivery techniques," the Mastercard-owned company said in an analysis published last month. "This latest campaign, which spoofed the Indian Ministry of Defence via a cloned press release portal, marks a slight but notable shift in both malware architecture and command-and-control (C2) functionality." The updated version of DRAT, called DRAT V2, is the latest a...

Indian defense sector and government-aligned organizations have been targeted by multiple campaigns that are designed to compromise Windows and Linux environments with remote access trojans capable of stealing sensitive data and ensuring continued access to infected machines. The campaigns are characterized by the use of malware families like Geta RAT , Ares RAT , and DeskRAT , which are often attributed to Pakistan-aligned threat clusters tracked as SideCopy and APT36 (aka Transparent Tribe). SideCopy, active since at least 2019, is assessed to operate as a subdivision of Transparent Tribe. "Taken together, these campaigns reinforce a familiar but evolving narrative," Aditya K. Sood, vice president of Security Engineering and AI Strategy at Aryaka, said . "Transparent Tribe and SideCopy are not reinventing espionage – they are refining it." "By expanding cross-platform coverage, leaning into memory-resident techniques, and experimenting with new delivery ...

Nothing is free in this world. If you are searching for free ready-made hacking tools on the Internet, then beware—most freely available tools, claiming to be the swiss army knife for hackers, are nothing but a hoax. Last year, we reported about one such Facebook hacking tool that actually had the capability to hack a Facebook account, but yours and not the one you desire to hack. Now, a Remote Access Trojan (RAT) builder kit that was recently spotted on multiple underground hacking forums for free found containing a backdoored module that aims to provide the kit's authors access to all of the victim's data. Dubbed Cobian RAT , the malware has been in circulation since February of this year and has some similarities with the njRAT and H-Worm family of malware, which has been around since at least 2013. According to ThreatLabZ researchers from Zscaler, who discovered the backdoored nature of the malware kit, the "free malware builder" is likely capable of...