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Australian Healthcare Sector Targeted in Latest Gootkit Malware Attacks
Jan 11, 2023
Healthcare / Cyber Threat
A recent wave of Gootkit malware loader attacks has targeted the Australian healthcare sector by leveraging legitimate tools like VLC Media Player. Gootkit , also called Gootloader, is known to employ search engine optimization (SEO) poisoning tactics (aka spamdexing) for initial access. It typically works by compromising and abusing legitimate infrastructure and seeding those sites with common keywords. Like other malware of its kind, Gootkit is capable of stealing data from the browser, performing adversary-in-the-browser (AitB) attacks, keylogging, taking screenshots, and other malicious actions. Trend Micro's new findings reveal that the keywords "hospital," "health," "medical," and "enterprise agreement" have been paired with various city names in Australia, marking the malware's expansion beyond accounting and law firms. The starting point of the cyber assault is to direct users searching for the same keywords to an infe
Beware! Playing Untrusted Videos On VLC Player Could Hack Your Computer
Jun 21, 2019
If you use VLC media player on your computer and haven't updated it recently, don't you even dare to play any untrusted, randomly downloaded video file on it. Doing so could allow hackers to remotely take full control over your computer system. That's because VLC media player software versions prior to 3.0.7 contain two high-risk security vulnerabilities , besides many other medium- and low-severity security flaws, that could potentially lead to arbitrary code execution attacks. With more than 3 billion downloads, VLC is a hugely popular open-source media player software that is currently being used by hundreds of millions of users worldwide on all major platforms, including Windows, macOS, Linux, as well as Android and iOS mobile platforms. Discovered by Symeon Paraschoudis from Pen Test Partners and identified as CVE-2019-12874 , the first high-severity vulnerability is a double-free issue which resides in "zlib_decompress_extra" function of VideoLAN
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AI Solutions Are the New Shadow IT
Nov 22, 2023
AI Security / SaaS Security
Ambitious Employees Tout New AI Tools, Ignore Serious SaaS Security Risks Like the SaaS shadow IT of the past, AI is placing CISOs and cybersecurity teams in a tough but familiar spot. Employees are covertly using AI with little regard for established IT and cybersecurity review procedures. Considering ChatGPT's meteoric rise to 100 million users within 60 days of launch , especially with little sales and marketing fanfare, employee-driven demand for AI tools will only escalate. As new studies show some workers boost productivity by 40% using generative AI , the pressure for CISOs and their teams to fast-track AI adoption — and turn a blind eye to unsanctioned AI tool usage — is intensifying. But succumbing to these pressures can introduce serious SaaS data leakage and breach risks, particularly as employees flock to AI tools developed by small businesses, solopreneurs, and indie developers. AI Security Guide Download AppOmni's CISO Guide to AI Security - Part 1 AI evoke
Millions of PCs Found Running Outdated Versions of Popular Software
Jan 24, 2019
It is 2019, and millions of computers still either have at least one outdated application installed or run outdated operating systems, making themselves vulnerable to online threats and known security vulnerabilities/exploits. Security vendor Avast has released its PC Trends Report 2019 revealing that millions of users are making themselves vulnerable to cyber attacks by keeping outdated versions of popular applications on their computers. Probably the most overlooked vectors for any cyber attack is out-of-date programs, which most of the times, is the result of the users' laziness and company's administrators ignoring the security updates in a business environment as they can't afford the downtime. According to the report [ PDF ], Adobe Shockwave tops the list of software that most user left outdated on their PCs, followed by VLC Media Player, Skype, Java Runtime Environment , 7-Zip File Manager, and Foxit Reader. The outdated software applications often provide an ope
Critical Code Execution Flaw Found in LIVE555 Streaming Library
Oct 19, 2018
Security researchers have discovered a serious code execution vulnerability in the LIVE555 streaming media library—which is being used by popular media players, along with a number of embedded devices capable of streaming media. LIVE555 streaming media, developed and maintained by Live Networks , is a set of C++ libraries companies and application developers use to stream multimedia over open standard protocols like RTP/RTCP, RTSP or SIP. The LIVE555 streaming media libraries support streaming, receiving, and processing of various video formats such as MPEG, H.265, H.264, H.263+, VP8, DV, and JPEG video, and several audio codecs such as MPEG, AAC, AMR, AC-3, and Vorbis. UPDATE: LIVE555 streaming media library supports both server and client, and is internally being used by many well-known media software such as VLC and MPlayer, security researchers at Talos mentioned in the advisory. Though researchers didn't specify if the vulnerable component (a server-side library)
Beware! Subtitle Files Can Hack Your Computer While You're Enjoying Movies
May 23, 2017
Do you watch movies with subtitles? Just last night, I wanted to watch a French movie, so I searched for English subtitles and downloaded it to my computer. Though that film was excellent, this morning a new research from Checkpoint scared me. I was unaware that a little subtitle file could hand over full control of my computer to hackers, while I was enjoying the movie. Yes, you heard that right. A team of researchers at Check Point has discovered vulnerabilities in four of the most popular media player applications, which can be exploited by hackers to hijack " any type of device via vulnerabilities; whether it is a PC, a smart TV, or a mobile device " with malicious codes inserted into the subtitle files. " We have now discovered malicious subtitles could be created and delivered to millions of devices automatically, bypassing security software and giving the attacker full control of the infected device and the data it holds, " he added. These
Buffer Overflow vulnerability in VLC media player
Feb 01, 2013
VideoLAN recently published a security advisory warning of a buffer overflow vulnerability in versions 2.0.5 and earlier of VLC Media Player, which might be exploited to execute arbitrary code. This vulnerability was reported by Debasish Mandal. The vulnerability is caused due to an error in the "DemuxPacket()" function (modules/demux/asf/asf.c) when processing ASF files and can be exploited to cause a buffer overflow via a specially crafted ASF file. To exploit the vulnerability, a user must explicitly open a specially crafted ASF movie. Successful exploitation may allow execution of arbitrary code, but requires tricking a user into opening a malicious file. VideoLAN advises users to refrain from opening files from untrusted locations and to disable the VLC browser plug-ins until the issue is patched. A patch will be included in VLC 2.0.6, the next version of the media player, which is only available for testing purposes at the moment.
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