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The maintainers of Composer, a package manager for PHP, have shipped an update to address a critical vulnerability that could have allowed an attacker to execute arbitrary commands and "backdoor every PHP package," resulting in a supply-chain attack. Tracked as CVE-2021-29472, the security issue was discovered and reported on April 22 by researchers from  SonarSource , following which a hotfix was deployed less than 12 hours later. "Fixed command injection vulnerability in HgDriver/HgDownloader and hardened other VCS drivers and downloaders," Composer  said  its  release notes  for versions 2.0.13 and 1.10.22 published on Wednesday. "To the best of our knowledge the vulnerability has not been exploited." Composer  is billed as a tool for dependency management in PHP, enabling easy installation of packages relevant to a project. It also allows users to install PHP applications that are available on  Packagist , a repository that aggregates all publ...

An adversary known for its  watering hole attacks  against government entities has been linked to a slew of newly detected intrusions targeting various organizations in Central Asia and the Middle East. The malicious activity, collectively named "EmissarySoldier," has been attributed to a threat actor called LuckyMouse, and is said to have happened in 2020 with the goal of obtaining geopolitical insights in the region. The attacks involved deploying a toolkit dubbed SysUpdate (aka Soldier) in a number of breached organizations, including government and diplomatic agencies, telecom providers, a TV media company, and a commercial bank. LuckyMouse , also referred to as APT27 and Emissary Panda, is a sophisticated cyberespionage group that has a history of breaching multiple government networks in Central Asia and the Middle East. The actor has also been linked to cyberattacks aimed at transnational organizations such as the International Civil Aviation Organization ( ICAO )...

Hackers are scanning the internet for weaknesses all the time, and if you don't want your organization to fall victim, you need to be the first to find these weak spots. In other words, you have to adopt a proactive approach to managing your vulnerabilities, and a crucial first step in achieving this is performing a vulnerability assessment. Read this guide to learn how to perform vulnerability assessments in your organization and stay ahead of the hackers. Vulnerability assessment tools Vulnerability assessments are automated processes performed by scanners. This makes them accessible to a wide audience. Many of the scanners are geared towards cybersecurity experts, but there are solutions tailored for IT managers and developers in organizations without dedicated security teams.  Vulnerability scanners come in various types: some excel at network scanning, others at web applications, IoT devices, or container security. If you're a small business, you're likely to find...

SaaS Adoption is Skyrocketing, Resilience Hasn't Kept Pace SaaS platforms have revolutionized how businesses operate. They simplify collaboration, accelerate deployment, and reduce the overhead of managing infrastructure. But with their rise comes a subtle, dangerous assumption: that the convenience of SaaS extends to resilience. It doesn't. These platforms weren't built with full-scale data protection in mind . Most follow a shared responsibility model — wherein the provider ensures uptime and application security, but the data inside is your responsibility. In a world of hybrid architectures, global teams, and relentless cyber threats, that responsibility is harder than ever to manage. Modern organizations are being stretched across: Hybrid and multi-cloud environments with decentralized data sprawl Complex integration layers between IaaS, SaaS, and legacy systems Expanding regulatory pressure with steeper penalties for noncompliance Escalating ransomware threats and inside...

Bad actors with suspected ties to China have been behind a wide-ranging cyberespionage campaign targeting military organizations in Southeast Asia for nearly two years, according to new research. Attributing the attacks to a threat actor dubbed " Naikon APT ," cybersecurity firm Bitdefender laid out the ever-changing tactics, techniques, and procedures adopted by the group, including weaving new backdoors named "Nebulae" and "RainyDay" into their data-stealing missions. The malicious activity is said to have been conducted between June 2019 and March 2021. "In the beginning of the operation the threat actors used Aria-Body loader and Nebulae as the first stage of the attack," the researchers  said . "Starting with September 2020, the threat actors included the RainyDay backdoor in their toolkit. The purpose of this operation was cyberespionage and data theft." Naikon (aka Override Panda, Lotus Panda, or Hellsing) has a track recor...

A previously undocumented Linux malware with backdoor capabilities has managed to stay under the radar for about three years, allowing the threat actor behind the operation to harvest and exfiltrate sensitive information from infected systems. Dubbed " RotaJakiro " by researchers from Qihoo 360 NETLAB, the backdoor targets Linux X64 machines, and is so named after the fact that "the family uses rotate encryption and behaves differently for root/non-root accounts when executing." The findings come from an analysis of a  malware sample  it detected on March 25, although early versions appear to have been uploaded to VirusTotal as early as May 2018. A  total  of  four   samples  have been found to date on the database, all of which remain undetected by most anti-malware engines. As of writing, only seven security vendors flag the latest version of the malware as malicious. "At the functional level, RotaJakiro first determines whether the user is roo...

Threat actors are increasingly adopting  Excel 4.0 documents  as an initial stage vector to distribute malware such as  ZLoader  and Quakbot, according to new research. The findings come from an analysis of 160,000 Excel 4.0 documents between November 2020 and March 2021, out of which more than 90% were classified as malicious or suspicious. "The biggest risk for the targeted companies and individuals is the fact that security solutions still have a lot of problems with detecting malicious Excel 4.0 documents, making most of these slip by conventional signature based detections and analyst written YARA rules," researchers from ReversingLabs said in a report  published today . Excel 4.0 macros (XLM), the precursor to Visual Basic for Applications (VBA), is a legacy feature incorporated in Microsoft Excel for backward compatibility reasons. Microsoft warns in its  support document  that enabling all macros can cause "potentially dangerous code" to ...

Cybersecurity researchers on Wednesday disclosed a new bypass vulnerability (CVE-2021-23008) in the Kerberos Key Distribution Center (KDC) security feature impacting F5 Big-IP application delivery services. "The KDC Spoofing vulnerability allows an attacker to bypass the Kerberos authentication to Big-IP Access Policy Manager (APM), bypass security policies and gain unfettered access to sensitive workloads," Silverfort researchers Yaron Kassner and Rotem Zach said in a report. "In some cases this can be used to bypass authentication to the Big-IP admin console as well." Coinciding with the public disclosure, F5 Networks has released patches to address the weakness (CVE-2021-23008, CVSS score 8.1), with fixes introduced in BIG-IP APM versions 12.1.6, 13.1.4, 14.1.4, and 15.1.3. A similar patch for version 16.x is expected at a future date. "We recommend customers running 16.x check the security advisory to assess their exposure and get details on mitigati...

Attention, Android users! A banking malware capable of stealing sensitive information is "spreading rapidly" across Europe, with the U.S. likely to be the next target. According to a new analysis by  Proofpoint , the threat actors behind FluBot (aka  Cabassous ) have branched out beyond Spain to target the U.K., Germany, Hungary, Italy, and Poland. The English-language campaign alone has been observed to make use of more than 700 unique domains, infecting about 7,000 devices in the U.K. In addition, German and English-language SMS messages were found being sent to U.S. users from Europe, which Proofpoint suspects could be the result of malware propagating via contact lists stored on compromised phones. A concerted campaign aimed at the U.S. is yet to be detected. FluBot, a nascent entry in the banking trojan landscape, began its operations late last year, with campaigns leveraging the malware infecting more than 60,000 users in Spain, according to an analysis published b...

The Metropolitan Police Department (MPD) of the District of Columbia has become the latest high-profile government agency to fall victim to a ransomware attack. The Babuk Locker gang claimed in a post on the dark web that they had compromised the DC Police's networks and stolen 250 GB of unencrypted files. Screenshots shared by the group, and seen by The Hacker News, include various folders containing what appears to be investigation reports, arrests, disciplinary actions, and other intelligence briefings. Also called the DC Police, the MPD is the primary law enforcement agency for the District of Columbia in the U.S. The ransomware gang has given the department three days to heed to their ransom demand or risk leaking sensitive files that could expose police informants to criminal gangs. "Hello! Even an institution such as DC can be threatened, we have downloaded a sufficient amount of information from your internal networks, and we advise you to contact us as soon as p...