Security researchers at ReversingLabs have discovered a novel attack that used compiled Python code to evade detection. According to ReversingLabs reverse engineer Karlo Zanki, this could be the first instance of a supply chain attack capitalizing on the direct execution capability of Python byte code (PYC) files. The method introduces another supply chain vulnerability for
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A survey of global cybersecurity leaders through the 2023 Certified CISO Hall of Fame Report commissioned by the EC-Council identified 4 primary areas of grave concern: cloud security, data security, security governance, and lack of cybersecurity talent. EC-Council, the global leader in cybersecurity education and training, released its Certified Chief Information Security Officer Hall of
US and South Korean security agencies have issued a joint warning regarding North Korea’s use of social engineering tactics in cyber-attacks. The document was published on Thursday by the Federal Bureau of Investigation (FBI), the US Department of State, the National Security Agency (NSA), the Republic of Korea’s National Intelligence Service (NIS), the National Police
Given the reliance of today’s digital world on APIs and the fact that attacks targeting them continue to rise sharply, API security cannot be an afterthought. Given the increasing reliance of today’s digital world on APIs and the fact that cyberattacks targeting them continue to rise sharply, API security cannot be an afterthought. Here is
Jun 03, 2023Ravie LakshmananEndpoint Security / Linux An analysis of the Linux variant of a new ransomware strain called BlackSuit has covered significant similarities with another ransomware family called Royal. Trend Micro, which examined an x64 VMware ESXi version targeting Linux machines, said it identified an “extremely high degree of similarity” between Royal and BlackSuit.
Enzo Biochem, a biotechnology company renowned for producing and distributing DNA-based tests designed to identify viral and bacterial diseases, has recently confirmed in a filing with the Securities and Exchange Commission (SEC) that it fell victim to a ransomware attack. The malicious cyber assault has exposed the confidential information of 2.47 million patients, including names,
by Paul Ducklin Researchers at firmware and supply-chain security company Eclypsium claim to have found what they have rather dramatically dubbed a “backdoor” in hundreds of motherboard models from well-known hardware maker Gigabyte. In fact, Eclypsium’s headline refers to it not merely as a backdoor, but all in upper case as a BACKDOOR. The good
A peek under the hood of a cybercrime operation and what you can do to avoid being an easy target for similar ploys They hacked into corporate emails, stole money from people and businesses, and tricked others into transferring the loot. Nigerian nationals Solomon Ekunke Okpe and Johnson Uke Obogo ran a sophisticated fraud scheme
Jun 02, 2023Ravie LakshmananBotnet / Malware Spanish-speaking users in Latin America have been at the receiving end of a new botnet malware dubbed Horabot since at least November 2020. “Horabot enables the threat actor to control the victim’s Outlook mailbox, exfiltrate contacts’ email addresses, and send phishing emails with malicious HTML attachments to all addresses
A new cyber threat campaign named “Horabot” has been discovered by cybersecurity firm Cisco Talos targeting Spanish-speaking users in the Americas. Horabot, a botnet software, has been active since November 2020 and is responsible for distributing a banking Trojan and spam tool. According to an advisory published by Cisco Talos earlier today, the threat actor behind
by Paul Ducklin IT’S HARDER THAN YOU THINK No audio player below? Listen directly on Soundcloud. With Doug Aamoth and Paul Ducklin. Intro and outro music by Edith Mudge. You can listen to us on Soundcloud, Apple Podcasts, Google Podcasts, Spotify, Stitcher and anywhere that good podcasts are found. Or just drop the URL of
As APIs are a favorite target for threat actors, the challenge of securing the glue that holds various software elements together is taking on increasing urgency The application programming interface (API) is an unsung hero of the digital revolution. It provides the glue that sticks together diverse software components in order to create new user
Jun 01, 2023Ravie LakshmananCyber Threat / Network Security An analysis of the “evasive and tenacious” malware known as QBot has revealed that 25% of its command-and-control (C2) servers are merely active for a single day. What’s more, 50% of the servers don’t remain active for more than a week, indicating the use of an adaptable
A new vulnerability has been discovered in macOS that allows attackers with root access to bypass System Integrity Protection (SIP) and perform arbitrary operations on affected devices. Discovered by Microsoft and dubbed “Migraine,” the flaw was disclosed to Apple through Coordinated Vulnerability Disclosure (CVD) via Microsoft Security Vulnerability Research (MSVR). SIP is a security technology implemented
by Paul Ducklin Over the last two weeks, we’ve seen a series of articles talking up what’s been described as a “master password crack” in the popular open-source password manager KeePass. The bug was considered important enough to get an official US government identifier (it’s known as CVE-2023-32784, if you want to hunt it down),
A roundup of some of the handiest tools for the collection and analysis of publicly available data from Twitter, Facebook and other social media platforms Social media sites are a near-bottomless source of information that almost anyone can use for security and intelligence research, as well as for marketing campaigns. The platforms allow anybody to
May 31, 2023Ravie LakshmananServer Security / Cryptocurrency A financially motivated threat actor is actively scouring the internet for unprotected Apache NiFi instances to covertly install a cryptocurrency miner and facilitate lateral movement. The findings come from the SANS Internet Storm Center (ISC), which detected a spike in HTTP requests for “/nifi” on May 19, 2023.
The tactics of a Nigerian cybercrime group have been revealed, including their complex phishing techniques and extensive fraud scheme. The findings, published by ESET in a blog post released earlier today, pertain to the actions of two individuals at the center of a criminal enterprise that resulted in losses of up to $1 million: Solomon
by Paul Ducklin Researchers at web coding security company SALT just published a fascinating description of how they found an authentication bug dubbed CVE-2023-28131 in a popular online app-buildin toolkit known as Expo. The good news is that Expo responded really quickly to SALT’s bug report, coming up with a fix within just a few
May 30, 2023Ravie LakshmananZero Day / Vulnerability Multiple security flaws uncovered in Sonos One wireless speakers could be potentially exploited to achieve information disclosure and remote code execution, the Zero Day Initiative (ZDI) said in a report published last week. The vulnerabilities were demonstrated by three different teams from Qrious Secure, STAR Labs, and DEVCORE
Unit 42, Palo Alto Networks threat research team, has found new malicious activity targeting IoT devices, using a variant of Mirai, a piece of malware that turns networked devices running Linux, typically small IoT devices, into remotely controlled bots that can be used in large-scale network attacks. Dubbed IZ1H9, this variant was first discovered in
May 29, 2023Ravie LakshmananAuthentication / Mobile Security Researchers have discovered an inexpensive attack technique that could be leveraged to brute-force fingerprints on smartphones to bypass user authentication and seize control of the devices. The approach, dubbed BrutePrint, bypasses limits put in place to counter failed biometric authentication attempts by weaponizing two zero-day vulnerabilities in the
A critical security flaw in the Expo framework has been discovered that could be exploited to reveal user data in various online services. The vulnerability (CVE-2023-28131) was discovered by Salt Security and has a CVSS score of 9.6. In particular, the bug was found in the way Expo’s Open Authorization (OAuth) social-login feature is implemented.
May 27, 2023Ravie LakshmananAPI Security / Vulnerability A critical security vulnerability has been disclosed in the Open Authorization (OAuth) implementation of the application development framework Expo.io. The shortcoming, assigned the CVE identifier CVE-2023-28131, has a severity rating of 9.6 on the CVSS scoring system. API security firm Salt Labs said the issue rendered services using
Romanian cybersecurity firm Safetech launched its official presence in the UK on May 23, 2023, underscoring the recent growth of the UK’s cybersecurity sector. Plans to build a security operations center (SOC) at the Plexal Innovation Hub based in London were announced during the company’s launch event. Anca Stancu, co-founder and managing partner of Safetech
ESET research uncovers an Android app that initially had no harmful features but months later turned into a spying tool This week, ESET malware researcher Lukas Stefanko revealed how an initially legitimate Android app morphed into a malicious trojan that could steal users’ files and record surrounding audio from the device’s microphone and then exfiltrate
A new stealthy information stealer malware called Bandit Stealer has caught the attention of cybersecurity researchers for its ability to target numerous web browsers and cryptocurrency wallets. “It has the potential to expand to other platforms as Bandit Stealer was developed using the Go programming language, possibly allowing cross-platform compatibility,” Trend Micro said in a
New Russian-linked malware designed to take down electricity networks has been identified by Mandiant threat researchers, who have urged energy firms to take action to mitigate this “immediate threat.” The specialized operational technology (OT) malware, dubbed COSMICENERGY, has similarities to malware used in previous attacks targeting electricity grids, including the ‘Industroyer’ incident that took down
May 26, 2023Ravie LakshmananData Safety / Cloud Security A new security flaw has been disclosed in the Google Cloud Platform’s (GCP) Cloud SQL service that could be potentially exploited to obtain access to confidential data. “The vulnerability could have enabled a malicious actor to escalate from a basic Cloud SQL user to a full-fledged sysadmin
Perception Point has observed a 356% growth in the number of advanced phishing attacks attempted by threat actors in 2022. According to the company’s 2023 Annual Report: Cybersecurity Trends & Insights report, the total number of attacks increased by 87%. Among the reasons behind this growth is the fact that malicious actors continue to gain widespread
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