Unveiling SpectralBlur: The Enigmatic Presence in macOS Security
Introduction
In the labyrinthine world of cybersecurity, a new spectre has emerged from the digital ether, casting a long shadow over the seemingly impregnable orchards of Apple's macOS. This phantom, known as SpectralBlur, is a backdoor so cunningly crafted that it remained shrouded in the obscurity of cyberspace, undetected by the vigilant eyes of antivirus software until its recent unmasking. The discovery of SpectralBlur is not just a tale of technological intrigue but a narrative that weaves together the threads of geopolitical manoeuvring, the relentless pursuit of digital supremacy, and the ever-evolving landscape of cyber warfare.
SpectralBlur, a term that conjures images of ghostly interference and elusive threats, is indeed a fitting moniker for this new macOS backdoor threat. Cybersecurity researchers have peeled back the layers of the digital onion to reveal a moderately capable backdoor that can upload and download files, execute shell commands, update its configuration, delete files, and enter states of hibernation or sleep, all at the behest of a remote command-and-control server. Greg Lesnewich, a security researcher whose name has become synonymous with the relentless pursuit of digital malefactors, has shed light on this new threat that overlaps with a known malware family attributed to the enigmatic North Korean threat actors.
SpectralBlur similar to Lazarus Group’s KANDYKORN
The malware shares its DNA with KANDYKORN, also known as SockRacket, an advanced implant that functions as a remote access trojan capable of taking control of a compromised host. It is a digital puppeteer, pulling the strings of infected systems with a malevolent grace. The KANDYKORN activity also intersects with another campaign orchestrated by the Lazarus sub-group known as BlueNoroff, or TA444, which culminates in the deployment of a backdoor referred to as RustBucket and a late-stage payload dubbed ObjCShellz.
Recently, the threat actor has been observed combining disparate pieces of these two infection chains, leveraging RustBucket droppers to deliver KANDYKORN. This latest finding is another sign that North Korean threat actors are increasingly setting their sights on macOS to infiltrate high-value targets, particularly those within the cryptocurrency and blockchain industries. 'TA444 keeps running fast and furious with these new macOS malware families,' Lesnewich remarked, painting a picture of a relentless adversary in the digital realm.
Patrick Wardle, a security researcher whose insights into the inner workings of SpectralBlur have further illuminated the threat landscape, noted that the Mach-O binary was uploaded to the VirusTotal malware scanning service in August 2023 from Colombia. The functional similarities between KANDYKORN and SpectralBlur have raised the possibility that they may have been built by different developers with the same requirements. What makes the malware stand out are its attempts to hinder analysis and evade detection while using grant to set up a pseudo-terminal and execute shell commands received from the C2 server.
The disclosure comes as 21 new malware families designed to target macOS systems, including ransomware, information stealers, remote access trojans, and nation-state-backed malware, were discovered in 2023, up from 13 identified in 2022. 'With the continued growth and popularity of macOS (especially in the enterprise!), 2024 will surely bring a bevvy of new macOS malware,' Wardle noted, his words a harbinger of the digital storms on the horizon.
Hackers are beefing up their efforts to go after the best MacBooks as security researchers have discovered a brand new macOS backdoor which appears to have ties to another recently identified Mac malware strain. As reported by Security Week, this new Mac malware has been dubbed SpectralBlur and although it was uploaded to VirusTotal back in August of last year, it remained undetected by the best antivirus software until it recently caught the attention of Proofpoint’s Greg Lesnewich.
Lesnewich explained that SpectralBlur has similar capabilities to other backdoors as it can upload and download files, delete files and hibernate or sleep when given commands from a hacker-controlled command-and-control (C2) server. What is surprising about this new Mac malware strain though is that it shares similarities to the KandyKorn macOS backdoor which was created by the infamous North Korean hacking group Lazarus.
Just like SpectralBlur, KandyKorn is designed to evade detection while providing the hackers behind it with the ability to monitor and control infected Macs. Although different, these two Mac malware strains appear to be built based on the same requirements. Once installed on a vulnerable Mac, SpectralBlur executes a function that allows it to decrypt and encrypt network traffic to help it avoid being detected. However, it can also erase files after opening them and then overwrite the data they contain with zeros..
How to keep your Apple computers safe from hackers
As with the best iPhones, keeping your Mac up to date is the easiest and most important way to keep it safe from hackers. Hackers often prey on users who haven’t updated their devices to the latest software as they can exploit unpatched vulnerabilities and security flaws.
Checking to see if you're running the latest macOS version is quite easy. Just click on the Apple Logo in the top right corner of your computer, head to System Preferences and then click on Software Update. If you need a bit more help, check out our guide on how to update a Mac for more detailed instructions with pictures.
Even though your Mac has its own built-in malware scanner from Apple called xProtect, you should consider using one of the best Mac antivirus software solutions for additional protection. Paid antivirus software is often updated more frequently and you often also get access to other extras to help keep you safe online like a password manager or a VPN.
Besides updating your Mac frequently and using antivirus software, you must be careful online. This means sticking to trusted online retailers, carefully checking the URLs of the websites you visit and avoiding opening links and attachments sent to you via email or social media from people you don’t know. Likewise, you should also learn how to spot a phishing scam to know which emails you want to delete right away.
Conclusion
The thing about hackers and other cybercriminals is that they are constantly evolving their tactics and attack methods. This helps them avoid detection and allows them to devise brand-new ways to trick ordinary people. With the surge we saw in Mac malware last year, though, Apple will likely be working on beefing up xProtect and macOS to better defend against these new threats.
References
- https://www.scmagazine.com/news/new-macos-malware-spectralblur-idd-as-north-korean-backdoor
- https://www.tomsguide.com/news/this-new-macos-backdoor-lets-hackers-take-over-your-mac-remotely-how-to-stay-safe
- https://thehackernews.com/2024/01/spectralblur-new-macos-backdoor-threat.html
Related Blogs
In the Intricate mazes of the digital world, where the line between reality and illusion blurs, the quest for truth becomes a Sisyphean task. The recent firestorm of rumours surrounding global pop icon Dua Lipa's visit to Rajasthan, India, is a poignant example of this modern Dilemma. A single image, plucked from the continuum of time and stripped of context, became the fulcrum upon which a narrative of sexual harassment was precariously balanced. This incident, a mere droplet in the ocean of digital discourse, encapsulates the broader phenomenon of misinformation—a spectre that haunts the virtual halls of our interconnected existence.
Misinformation Incident
Amidst the ceaseless hum of social media, a claim surfaced with the tenacity of a weed in fertile soil: Dua Lipa, the three-time Grammy Award winner, had allegedly been subjected to sexual harassment during her sojourn in the historic city of Jodhpur. The evidence? A viral picture, its origins murky, accompanied by a caption that seemed to confirm the worst fears of her ardent followers. The digital populace quickly reacted, with many sharing the image, asserting the claim's veracity without pause for verification.
Unraveling the Fabric of Fake News: Fact-Checking Dua Lipa's India Experience
The narrative gained momentum through platforms of dubious credibility, such as the Twitter handle,' which, upon closer scrutiny by the Digital Forensics Research and Analytics Center, was revealed to be a purveyor of fake news. The very fabric of the claim began to unravel as the original photo was traced back to the official Facebook page of RVCJ Media, untainted by the allegations that had been so hastily ascribed to it. Moreover, the silence of Dua Lipa on the matter, rather than serving as a testament to the truth, inadvertently fueled the fires of speculation—a stark reminder of the paradox where the absence of denial is often misconstrued as an affirmation.
The pop star's words, shared on her Instagram account, painted a starkly different picture of her experience in India. She spoke not of fear and harassment, but of gratitude and joy, describing her trip as 'deeply meaningful' and expressing her luck to be 'within the magic' with her family. The juxtaposition of her heartfelt account with the sinister narrative constructed around her serves as a cautionary tale of the power of misinformation to distort and defile.
A Political Microcosm: Bye Elections of Telangana
Another incident is electoral misinformation, the political landscape of Telangana, India, bristled with anticipation as the Election Commission announced bye-elections for two Member of Legislative Council (MLC) seats. Here, too, the machinery of misinformation whirred into action, with political narratives being shaped and reshaped through the lens of partisan prisms. The electoral process, transparent in its intent, became susceptible to selective amplification, with certain facets magnified or distorted to fit entrenched political narratives. The bye-elections, thus, became a battleground not just for political supremacy but also for the integrity of information.
The Far-Reaching Claws of Misinformation: Fact Check
The misinformation regarding the experience of dua lipa upon India's visit and another incident of political Microcosm of Misinformation in Telangana are manifestations of a global challenge. Misinformation, adapts to the different contours of its environment, whether it be the gritty arena of politics or the glitzy realm of stardom. Its tentacles reach far and wide, with geopolitical implications that can destabilise regions, sow discord, and undermine the very pillars of democracy. The erosion of trust that misinformation engenders is perhaps its most insidious effect, as it chips away at the bedrock of societal cohesion and collective well-being.
Paradox of Technology
The same technological developments that have allowed the spread of misinformation also hold the keys to its containment. Artificial intelligence-powered fact-checking tools, blockchain-enabled transparency counter-measures, and comprehensive digital literacy campaigns stand as bulwarks against falsehoods. These tools, however, are not panaceas; they require the active engagement and critical thinking skills of each digital citizen to be truly effective.
Conclusion
As we stand at the cusp of the digital age, the way forward demands vigilance, collaboration, and innovation. Cultivating a digitally literate person, capable of discerning the nuances of digital content, is paramount. Governments, the tech industry, media companies, and civil society must join forces in a common front, leveraging their collective expertise in the battle against misinformation. Promoting algorithmic accountability and fostering diverse information ecosystems will also be crucial in mitigating the inadvertent amplification of falsehoods.
In the end, discerning truth in the digital age is a delicate process. It requires us to be attuned to the rhythm of reality, and wary of the seductive allure of unverified claims. As we navigate this digital realm, remember that the truth is not just a destination but a journey that demands our unwavering commitment to the pursuit of what is real and what is right.
References
- https://telanganatoday.com/eci-releases-schedule-for-bye-elections-to-two-mlc-seats-in-telangana
- https://www.oneindia.com/fact-check/was-pop-singer-dua-lipa-sexually-harassed-in-rajasthan-during-her-india-trip-heres-the-truth-3718833.html?story=3
- https://www.thequint.com/news/webqoof/edited-graphic-of-dua-lipa-being-sexually-harassed-in-jodhpur-falsely-shared-fact-check
Introduction
In today's era of digitalised community and connections, social media has become an integral part of our lives. A large number of teenagers are also active and have their accounts on social media. They use social media to connect with their friends and family. Social media offers ease to connect and communicate with larger communities and even showcase your creativity. On the other hand, it also poses some challenges or issues such as inappropriate content, online harassment, online stalking, misuse of personal information, abusive and dishearted content etc. There could be unindented consequences on teenagers' mental health by such threats or overuse of social media. The data shows some teens spend hours a day on social media hence it has a larger impact on them whether we notice it or not. Social media addiction and its negative repercussions such as overuse of social media by teens and online threats and vulnerabilities is a growing concern that needs to be taken seriously by social media platforms, regulatory policies and even user's responsibilities. Recently Colorado and California led a joint lawsuit filed by 33 states in the U.S. District Court for the Northern District of California against meta on the concern of child safety.
Meta and concern of child users safety
Recently Meta, the company that owns Facebook, Instagram, WhatsApp, and Messenger, has been sued by more than three dozen states for allegedly using features to hook children to its platforms. The lawsuit claims that Meta violated consumer protection laws and deceived users about the safety of its platforms. The states accuse Meta of designing manipulative features to induce young users' compulsive and extended use, pushing them into harmful content. However, Meta has responded by stating that it is working to provide a safer environment for teenagers and expressing disappointment in the lawsuit.
According to the complaint filed by the states, Meta “designed psychologically manipulative product features to induce young users’ compulsive and extended use" of platforms like Instagram. The states allege that Meta's algorithms were designed to push children and teenagers into rabbit holes of toxic and harmful content, with features like "infinite scroll" and persistent alerts used to hook young users. However, meta responded with disappointment with a lawsuit stating that meta working productively with companies across the industry to create clear, age-appropriate standards for the many apps.
Unplug for sometime
Overuse of social media is associated with increased mental health repercussions along with online threats and risks. Social media’s effect on teenagers is driven by factors such as inadequate sleep, exposure to cyberbullying and online threats and lack of physical activity. Its admitted that social media can help teens feel more connected to their friends and their support system and showcase their creativity to the online world. However, social media overuse by teens is often linked with underlying issues that require attention. To help teenagers, encourage them for responsible use and unplug from social media for some time, encourage them to get outside in nature, do physical activities, and express themselves creatively.
Understanding the threats & risks
- Psychological effects
- Addiction: Excessive use of social media will lead to procrastination and excessively using social media can lead to physical and psychological addiction because it triggers the brain's reward system.
- Mental Conditions Associated: Excessively using social media can be harmful for mental well-being which can also lead to depression and anxiety, self-consciousness and may also lead to social anxiety disorder.
- Eyes, Carpal tunnel syndrome: Excessive spending time on screen may lead to put a real strain on your eyes. Eye problems caused by computer/phone screen use fall under computer vision syndrome (CVS). Carpal tunnel syndrome is caused by pressure on the median nerve.
- Cyberbullying: Cyberbullying is one of the major concerns faced in online interactions on social media. Cyberbullying takes place using the internet or other digital communication technology to bully, harass, or intimidate others and it has become a major concern of online harassment on popular social media platforms. Cyberbullying may include spreading rumours or posting hurtful comments. Cyberbullying has emerged as a phenomenon that has a socio-psychological impact on the victims.
- Online grooming: Online grooming is defined as the tactics abusers deploy through the internet to sexually exploit children. The average time for a bad actor to lure children into his trap is 3 minutes, which is a very alarming number.
- Ransomware/Malware/Spyware: Cybercrooks impose threats such as ransomware, malware and spyware by deploying malicious links on social media. This poses serious cyber threats, and it causes consequences such as financial losses, data loss, and reputation damage. Ransomware is a type of malware which is designed to deny a user or organisation access to their files on the computer. On social media, cyber crooks post malicious links which contain malware, and spyware threats. Hence it is important to be cautious before clicking on any such suspicious link.
- Sextortion: Sextortion is a crime where the perpetrator threatens the victim and demands ransom or asks for sexual favours by threatening the victim to expose or reveal the victim’s sexual activity. It is a kind of sexual blackmail, it may take place on social media and youngsters are mostly targeted. The cyber crooks also misuse the advanced AI Deepfake technology which is capable of creating realistic images or videos which in actuality are created by machine algorithms. Deepfakes technology since easily accessible, is misused by fraudsters to commit various crimes including sextortion or deceiving and scamming people through fake images or videos which look realistic.
- Child sexual abuse material(CSAM): CSAM is inappropriate or illicit content which is prohibited by the laws and regulatory guidelines. Child while using the internet if encounters age-restricted or inappropriate content which may be harmful to them child. Through regulatory guidelines, internet service providers are refrained from hosting the CSAM content on the websites and blocking such inappropriate or CSAM content.
- In App purchases: The teen user also engages in-app purchases on social media or online gaming where they might fall into financial fraud or easy money scams. Where fraudster targets through offering exciting job offers such as part-time job, work-from-home job, small investments, liking content on social media, and earning money out of this. This has been prevalent on social media and fraudsters target innocent people ask for their personal and financial information, and commit financial fraud by scamming people on the pretext of offering exciting offers.
Safety tips:
To stay safe while using social media teens or users are encouraged to follow the best practices and stay aware of the online threats. Users must keep in regard to the best practices. Such as;
- Safe web browsing.
- Utilising privacy settings of your social media accounts.
- Using strong passwords and enabling two-factor authentication.
- Be careful about what you post or share.
- Becoming familiar with the privacy policy of the social media platforms.
- Being selective of adding unknown users to your social media network.
- Reporting any suspicious activity to the platform or relevant forum.
Conclusion:
Child safety is a major concern on social media platforms. Social media-related offences such as cyberstalking, hacking, online harassment and threats, sextortion, and financial fraud are seen as the most occurring cyber crimes on social media. The tech giants must ensure the safety of teen users on social media by implementing and adopting the best mechanisms on the platform. CyberPeace Foundation is working towards advocating for a Child-friendly SIM to protect from the illicit influence of the internet and Social Media.
References:
- https://www.scientificamerican.com/article/heres-why-states-are-suing-meta-for-hurting-teens-with-facebook-and-instagram/
- https://www.nytimes.com/2023/10/24/technology/states-lawsuit-children-instagram-facebook.html
Introduction
Twitter Inc.’s appeal against barring orders for specific accounts issued by the Ministry of Electronics and Information Technology was denied by a single judge on the Karnataka High Court. Twitter Inc. was also given an Rs. 50 lakh fine by Justice Krishna Dixit, who claimed the social media corporation had approached the court defying government directives.
As a foreign corporation, Twitter’s locus standi had been called into doubt by the government, which said they were ineligible to apply Articles 19 and 21 to their situation. Additionally, the government claimed that because Twitter was only designed to serve as an intermediary, there was no “jural relationship” between Twitter and its users.
The Issue
In accordance with Section 69A of the Information Technology Act, the Ministry issued the directives. Nevertheless, Twitter had argued in its appeal that the orders “fall foul of Section 69A both substantially and procedurally.” Twitter argued that in accordance with 69A, account holders were to be notified before having their tweets and accounts deleted. However, the Ministry failed to provide these account holders with any notices.
On June 4, 2022, and again on June 6, 2022, the government sent letters to Twitter’s compliance officer requesting that they come before them and provide an explanation for why the Blocking Orders were not followed and why no action should be taken against them.
Twitter replied on June 9 that the content against which it had not followed the blocking orders does not seem to be a violation of Section 69A. On June 27, 2022, the Government issued another notice stating Twitter was violating its directions. On June 29, Twitter replied, asking the Government to reconsider the direction on the basis of the doctrine of proportionality. On June 30, 2022, the Government withdrew blocking orders on ten account-level URLs but gave an additional list of 27 URLs to be blocked. On July 10, more accounts were blocked. Compiling the orders “under protest,” Twitter approached the HC with the petition challenging the orders.
Legality
Additionally, the government claimed that because Twitter was only designed to serve as an intermediary, there was no “jural relationship” between Twitter and its users.
Government attorney Additional Solicitor General R Sankaranarayanan argued that tweets mentioning “Indian Occupied Kashmir” and the survival of LTTE commander Velupillai Prabhakaran were serious enough to undermine the integrity of the nation.
Twitter, on the other hand, claimed that its users have pushed for these rights. Additionally, Twitter maintained that under Article 14 of the Constitution, even as a foreign company, they were entitled to certain rights, such as the right to equality. They also argued that the reason for the account blocking in each case was not stated and that Section 69a’s provision for blocking a URL should only apply to the offending URL rather than the entire account because blocking the entire account would prevent the creation of information while blocking the offending tweet only applied to already-created information.
Conclusion
The evolution of cyberspace has been substantiated by big tech companies like Facebook, Google, Twitter, Amazon and many more. These companies have been instrumental in leading the spectrum of emerging technologies and creating a blanket of ease and accessibility for users. Compliance with laws and policies is of utmost priority for the government, and the new bills and policies are empowering the Indian cyberspace. Non Compliance will be taken very seriously, and the same is legalised under the Intermediary Guidelines 2021 and 2022 by Meity. Referring to Section 79 of the Information Technology Act, which pertains to an exemption from liability of intermediary in some instances, it was said, “Intermediary is bound to obey the orders which the designate authority/agency which the government fixes from time to time.”
