Researchers Uncover Covert Attack Campaign Targeting Military Contractors

A new covert attack campaign singled out multiple military and weapons contractor companies with spear-phishing emails to trigger a multi-stage infection process designed to deploy an unknown payload on compromised machines. The highly-targeted intrusions, dubbed STEEPMAVERICK by Securonix, also...

Facebook Shuts Down Covert Political 'Influence Operations' from Russia and China

Meta Platforms on Tuesday disclosed it took steps to dismantle two covert influence operations originating from China and Russia for engaging in coordinated inauthentic behavior CIB so as to manipulate public debate. While the Chinese operation sets its sights on the U.S. and the Czech Republic,...

polit74.ru.xx3.kz Cross Site Scripting vulnerability OBB-2958689

Following the coordinated and responsible vulnerability disclosure guidelines of the ISO 29147 standard, Open Bug Bounty has: a. verified the vulnerability and confirmed its existence; b. notified the website operator about its existence. Technical details of the vulnerability are currently hidde...

Air-Gapped Devices Can Send Covert Morse Signals via Network Card LEDs

A security researcher who has a long line of work demonstrating novel data exfiltration methods from air-gapped systems has come up with yet another technique that involves sending Morse code signals via LEDs on network interface cards NICs. The approach, codenamed ETHERLED, comes from Dr...

New Air-Gap Attack Uses MEMS Gyroscope Ultrasonic Covert Channel to Leak Data

A novel data exfiltration technique has been found to leverage a covert ultrasonic channel to leak sensitive information from isolated, air-gapped computers to a nearby smartphone that doesn't even require a microphone to pick up the sound waves. Dubbed GAIROSCOPE, the adversarial model is the...

PT-2022-19210 · Zoom · Zoom On-Premise Meeting Connector Mmr

Name of the Vulnerable Software and Affected Versions: Zoom On-Premise Meeting Connector MMR versions prior to 4.8.129.20220714 Description: The issue allows a malicious actor to join a meeting without appearing to other participants, admit themselves from the waiting room, become the host, and...

CISA and ACSC Release Top 2021 Malware Strains

CISA and the Australian Cyber Security Centre ACSC have published a joint Cybersecurity Advisory on the top malware strains observed in 2021. Malicious cyber actors often use malware to covertly compromise and then gain access to a computer or mobile device. As malicious cyber actors have been...

Malicious IIS extensions quietly open persistent backdoors into servers

Attackers are increasingly leveraging Internet Information Services IIS extensions as covert backdoors into servers, which hide deep in target environments and provide a durable persistence mechanism for attackers. While prior research has been published on specific incidents and variants, little...

Malicious IIS extensions quietly open persistent backdoors into servers

Attackers are increasingly leveraging Internet Information Services IIS extensions as covert backdoors into servers, which hide deep in target environments and provide a durable persistence mechanism for attackers. While prior research has been published on specific incidents and variants, little...

Russian Hackers Using DropBox and Google Drive to Drop Malicious Payloads — The Hacker News

The Russian state-sponsored hacking collective known as APT29 has been attributed to a new phishing campaign that takes advantage of legitimate cloud services like Google Drive and Dropbox to deliver malicious payloads on compromised systems. "These campaigns are believed to have targeted several...

What is Steganography, and how can we Avoid it?

What is steganography? Steganography is, broadly, a type of covert communication involving the use of any medium to hide messages. Steganography is a relatively old technique of hiding ‘secret’ data in plain sight to avoid detection. Seeing a resurgence of late, bad actors are taking advantage of...

Client-side Magecart attacks still around, but more covert

This blog post was authored by Jérôme Segura We have seen and heard less buzz about Magecart during the past several months. While some marketing playbooks continue to rehash the same breaches of yesteryear, we have been wondering if some changes took place in the threat landscape. One thing we...

New Syslogk Linux Rootkit Lets Attackers Remotely Command It Using "Magic Packets"

A new covert Linux kernel rootkit named Syslogk has been spotted under development in the wild and cloaking a malicious payload that can be remotely commandeered by an adversary using a magic network traffic packet. "The Syslogk rootkit is heavily based on Adore-Ng but incorporates new...

Pulsar - Data Exfiltration And Covert Communication Tool

Pulsar is a tool for data exfiltration and covert communication that enable you to create a secure data transfer, a bizarre chat or a network tunnel through different protocols, for example you can receive data from tcp connection and resend it to real destination through DNS packets. Setting up...

K0Otkit - Universal Post-Penetration Technique Which Could Be Used In Penetrations Against Kubernetes Clusters

k0otkit is a universal post-penetration technique which could be used in penetrations against Kubernetes clusters. With k0otkit, you can manipulate all the nodes in the target Kubernetes cluster in a rapid, covert and continuous way reverse shell. k0otkit is the combination of Kubernetes and...

Fronton: Russian IoT Botnet Designed to Run Social Media Disinformation Campaigns

Fronton, a distributed denial-of-service DDoS botnet that came to light in March 2020, is much more powerful than previously thought, per the latest research. "Fronton is a system developed for coordinated inauthentic behavior on a massive scale," threat intelligence firm Nisos said in a report...

Thousands of Top Websites See What You Type—Before You Hit Submit

A surprising number of the top 100,000 websites effectively include keyloggers that covertly snag everything you type into a form...

Gus Simmons’s Memoir

Gus Simmons is an early pioneer in cryptography and computer security. I know him best for his work on authentication and covert channels, specifically as related to nuclear treaty verification. His work is cited extensively in Applied Cryptography. He has written a memoir of growing up dirt-poor...

CVE-2022-24409

Dell BSAFE SSL-J contains remediation for a covert timing channel vulnerability that may be exploited by malicious users to compromise the affected system. Only customers with active BSAFE maintenance contracts can receive details about this vulnerability. Public disclosure of the vulnerability...

CVE-2022-24409

CVE-2022-24409 concerns Dell BSAFE SSL-J, which reportedly contains a covert timing-channel vulnerability. The affected product is Dell BSAFE SSL-J, with details restricted to customers holding active BSAFE maintenance contracts; public disclosure of vulnerability specifics is planned for a later...