News – August 2021


  • Microsoft Breaks Silence on Barrage of ProxyShell Attacks

    August 26, 2021

    Microsoft has broken its silence on the recent barrage of attacks on several ProxyShell vulnerabilities in that were highlighted by a researcher at Black Hat earlier this month. The company released an advisory late Wednesday letting customers know that threat actors may use unpatched Exchange servers “to deploy ransomware or conduct other post-exploitation activities” and urging ...

  • FBI releases alert about Hive ransomware after attack on hospital system in Ohio and West Virginia

    August 26, 2021

    The FBI has released an alert about the Hive ransomware after the group took down Memorial Health System last week. The alert explains that Hive is an affiliate-operated ransomware first seen in June that deploys “multiple mechanisms to compromise business networks, including phishing emails with malicious attachments to gain access and Remote Desktop Protocol to move ...

  • US Media, Retailers Targeted by New SparklingGoblin APT

    August 25, 2021

    An emerging international cybergang is broadening its targets to include North American media firms, universities and one computer retailer. The advanced persistent threat (APT) group is new, according to researchers who dubbed it SparklingGoblin. Also new is a novel backdoor technique, called SideWalk, used by the APT to penetrate cybersecurity defenses. SparklingGoblin, according to ESET researchers ...

  • Cisco Issues Critical Fixes for High-End Nexus Gear

    August 25, 2021

    Cisco Systems released six security patches tied to its high-end 9000 series networking gear ranging in importance from critical, high and medium severity. The most serious of the bugs patched by Cisco (rated 9.1 out of 10) could allow a remote and unauthenticated adversary to read or write arbitrary files on to an application protocol interface ...

  • Critical F5 BIG-IP bug impacts customers in sensitive sectors

    August 25, 2021

    BIG-IP application services company F5 has fixed more than a dozen high-severity vulnerabilities in its networking device, one of them being elevated to critical severity under specific conditions. The issues are part of this month’s delivery of security updates, which addresses almost 30 vulnerabilities for multiple F5 devices.. Of the thirteen high-severity flaws that F5 fixed, one ...

  • New Campaign Sees LokiBot Delivered Via Multiple Methods

    August 25, 2021

    Trend Micro researchers recently detected an aggressive malware distribution campaign delivering LokiBot via multiple techniques, including the exploitation of older vulnerabilities. This blog entry describes and provides an example of one the methods used in the campaign, as well as a short analysis of the payload. We found that one of the command-and-control (C&C) servers ...

  • Worldwide Phishing Attacks Ramped Up At the Peak of Working From Home

    August 25, 2021

    With more and more companies choosing to allow for flexible (hybrid/remote) work environments post-pandemic, we investigated the unique cyberthreats employees working from home face. Palo Alto analysis focused primarily on trends in Palo Alto firewall traffic and phishing pages detected by our URL Filtering service from September 2019 to April 2021. We found that in early ...

  • Biden to host summit with tech moguls on combating cyberattacks

    August 25, 2021

    United States President Joe Biden is set to host leaders from the country’s largest technology and finance firms at the White House on Wednesday to discuss how to shore up their cybersecurity defences in the face of increasingly complex attacks. The meeting with top executives comes as Congress considers legislation regarding data-breach notification laws and cybersecurity ...

  • Triada Trojan in WhatsApp mod

    August 24, 2021

    WhatsApp users sometimes feel the official app is lacking a useful feature of one sort or another, be it animated themes, self-destructing messages which automatically delete themselves, the option of hiding certain conversations from the main list, automatic translation of messages, or the option of viewing messages that have been deleted by the sender. This ...

  • APT41 Resurfaces as Earth Baku With New Cyberespionage Campaign

    August 24, 2021

    Trend Micro researchers have uncovered a cyberespionage campaign being perpetrated by Earth Baku, an advanced persistent threat (APT) group with a known history of carrying out cyberattacks under the alias APT41. This is not the group’s first foray into cyberespionage, and its long list of past cybercrimes also includes ransomware and cryptocurrency mining attacks. Earth Baku ...

  • Ransomware Groups to Watch: Emerging Threats

    August 24, 2021

    As part of Unit 42’s commitment to stop ransomware attacks, we conduct ransomware hunting operations to ensure our customers are protected against new and evolving ransomware variants. We monitor the activity of existing groups, search for dark web leak sites and fresh onion sites, identify up-and-coming players and study tactics, techniques and procedures. During our operations, ...

  • FBI: OnePercent Group Ransomware targeted US orgs since Nov 2020

    August 23, 2021

    The Federal Bureau of Investigation (FBI) has shared info about a threat actor known as OnePercent Group that has been actively targeting US organizations since at least November 2020 as a ransomware affiliate. The US federal law enforcement agency shared indicators of compromise, tactics, techniques, and procedures (TTP), and mitigation measures in a flash alert published ...

  • Hacker gets 500K reward for returning stolen cryptocurrency

    August 23, 2021

    The saga of what has been dubbed the biggest hack in the world of decentralized finance appears to be over as Poly Network recovered more than $610 million in cryptocurrency assets it lost two weeks ago and the hacker received a $500,000 bounty for returning the money. Today, the hacker, referred to as Mr. White Hat, ...

  • Nokia subsidiary discloses data breach after Conti ransomware attack

    August 23, 2021

    SAC Wireless, a US-based Nokia subsidiary, has disclosed a data breach following a ransomware attack where Conti operators were able to successfully breach its network, steal data, and encrypt systems. The wholly-owned and independently-operating Nokia company, headquartered in Chicago, IL, works with telecom carriers, major tower owners, and original equipment manufacturers (OEMs) across the US. Read more… Source: ...

  • Attackers Actively Exploiting Realtek SDK Flaws

    August 23, 2021

    Threat actors zeroing in on command injection vulnerabilities reported in Realtek chipsets just days after multiple flaws were discovered in the software developers kits (SDK) deployed across at least 65 separate vendors. On Aug. 16 multiple Realtek vulnerabilities were disclosed by IoT Inspector Research Lab. It took about 48 hours for attackers to start trying to ...