Deep Instinct’s Threat Research Lab recently noticed a new strain of a JavaScript-based dropper that is delivering Bumblebee and IcedID. The dropper contains comments in Russian and employs the unique user-agent string “PindOS”, which may be a reference to current (and past) anti-American sentiment in Russia.
Bumblebee is a malware loader first discovered in March 2022. It was associated with Conti group and was being used as a replacement for BazarLoader. It acts as a primary vector for multiple types of other malware, including ransomware.
IcedID is a modular banking malware designed to steal financial information. It has been seen in the wild since at least 2017 and has recently been observed shifting some of its focus to malware delivery.
Sonatype's malicious open source and malware detection systems found hundreds of malicious PyPI packages.
Explore JOKERSPY, a recently discovered campaign that targets financial institutions with Python backdoors. This article covers reconnaissance, attack patterns, and methods of identifying JOKERSPY in your network.
During routine detection maintenance, our Mac researchers stumbled upon a small set of files with backdoor capabilities that seem to form part of a more complex malware toolkit. The following analysis is incomplete, as we are trying to identify the puzzle pieces that are still missing.
Since March 2023, Unit 42 researchers have observed threat actors leveraging several IoT vulnerabilities to spread a variant of the Mirai botnet.
In researching Operation Triangulation, we set ourselves the goal to retrieve as many parts of the exploitation chain as possible. As of now, we have finished analyzing the spyware implant and are ready to share the details.
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FortiGuard Labs encountered recent samples of a DDoS-as-a-service botnet calling itself Condi. It attempted to spread by exploiting TP-Link Archer AX21 (AX1800) routers vulnerable to CVE-2023-1389, which was disclosed in mid-March of this year. Read more.
Recorded Future's Insikt Group, in partnership with Ukraine's Computer Emergency Response Team (CERT-UA), has uncovered a campaign targeting high-profile entities in Ukraine that was cross-correlated with a spearphishing campaign uncovered by Recorded Future’s Network Traffic Intelligence. The campaign leveraged news about Russia’s war against Ukraine to encourage recipients to open emails, which immediately compromised vulnerable Roundcube servers (an open-source webmail software), using CVE-2020-35730, without engaging with the attachment. We found that the campaign overlaps with historic BlueDelta activity exploiting the Microsoft Outlook zero-day vulnerability CVE-2023-23397 in 2022.
In June 2023, Bitdefender Labs published a research paper about espionage operation in East Asia. This operation was ongoing since at least the beginning of 2022, showing a high level of sophistication typically associated with state-sponsored groups. Despite trying various methods, we have been unable to attribute these attacks to a specific threat actor, but the target aligns with the interest of China-based threat actors.
second part in a two-part series going over heap overflow in MiniDLNA (CVE-2023-33476). this post provides a walkthrough of steps taken to write an exploit for this vulnerability in order to achieve remote code execution and pop a shell.
ASUS has released new firmware with cumulative security updates that address vulnerabilities in multiple router models, warning customers to immediately update their devices or restrict WAN access until they're secured.
The core of CVE-2023-35866 lies in disturbing ease of access. A local attacker, within an authenticated KeePassXC Database session
The highly aggressive ‘hacktivist’ group is thought to have links to the pro-Russian Killnet hacker collective
Microsoft addressed two XSS vulnerabilities in Azure Bastion and Azure Container Registry (ACR) leading to unauthorized access to sessions.
Without altering a single line of code, attackers poisoned the NPM package “bignum” by hijacking the S3 bucket serving binaries necessary for its function and replacing them with malicious ones
Microsoft says the early June disruptions to its Microsoft’s flagship office suite — including the Outlook email apps — were denial-of-service attacks by a shadowy new hacktivist group. In a blog post published Friday evening after The Associated Press sought clarification on the sporadic but serious outages, Microsoft confirmed that that they were DDoS attacks by a group calling itself Anonymous Sudan, which some security researchers believe is Russia-affiliated. The software giant offered few details on the attack. It did not comment on how many customers were affected.
The vulnerability — now fixed — was discovered in a cloud-based system that allows customers to remotely manage their security alarm systems.
The US government warns encryption chipmaker Hualan has suspicious ties to China’s military. Yet US agencies still use one of its subsidiary’s chips, raising fears of a backdoor.
Top U.S. cybersecurity officials confirmed Thursday that several federal agencies have been impacted by cyberattacks on the widely used MOVEit file transfer tool.
Cybersecurity and Infrastructure Security Agency (CISA) Director Jen Easterly told reporters that her team and the FBI are working to provide assistance to federal agencies that used MOVEit, which is being exploited by the Russia-based Clop ransomware gang in a widespread breach that appears to have compromised dozens of entities.
“We’ve been working closely with Progress Software [which makes MOVEit], the FBI and our federal partners to understand its prevalence within federal agencies,” she said. Earlier in the day, CNN first reported that several government agencies were compromised in the hacks. Easterly said that CISA is providing support to “several agencies that have experienced intrusions of their MOVEit applications.”
Mandiant is investigating a Barracuda ESG appliance zero-day vulnerability being exploited in the wild.
