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
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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
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
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
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
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
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.
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
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
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
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
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
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
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
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
May 25, 2023Ravie LakshmananGaming / Server Security A new botnet called Dark Frost has been observed launching distributed denial-of-service (DDoS) attacks against the gaming industry. “The Dark Frost botnet, modeled after Gafgyt, QBot, Mirai, and other malware strains, has expanded to encompass hundreds of compromised devices,” Akamai security researcher Allen West said in a new
by Paul Ducklin A PYTHON PERSPECTIVE VORTEX 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 our
ESET researchers reveal details about a prevalent cryptor, operating as a cryptor-as-a-service used by tens of malware families In this blogpost we examine the operation of AceCryptor, originally documented by Avast. This cryptor has been around since 2016 and because – throughout its existence – it has been used to pack tens of malware families,
North Korea threat actor Lazarus group is targeting Windows IIS web servers to launch espionage attacks, according to a new analysis by AhnLab Security Emergency response Center (ASEC). The researchers said the approach represents a variation on the dynamic-link library (DLL) side-loading technique, a tactic regularly utilized by the state-affiliated group. Here, they believe the
May 24, 2023Ravie LakshmananCyber Threat / Web Security At least eight websites associated with shipping, logistics, and financial services companies in Israel were targeted as part of a watering hole attack. Tel Aviv-based cybersecurity company ClearSky attributed the attacks with low confidence to an Iranian threat actor tracked as Tortoiseshell, which is also called Crimson
by Paul Ducklin It’s taken more than five years for justice to be served in this case, but the cops and the courts got there in the end. The UK law enforcement office SEROCU, short for South East Regional Organised Crime Unit, this week reported the peculiar tale of one Ashley Liles, the literal Man
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