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Semaine 15 (April 8, 2024)

Thousands of Ivanti VPN Appliances Impacted by Recent Vulnerability

The Shadowserver Foundation identifies thousands of Ivanti VPN instances likely impacted by a recent remote code execution flaw.

Raspberry Robin Returns: New Malware Campaign Spreading Through WSF Files

Researchers uncover a fresh wave of the Raspberry Robin campaign spreading malware through malicious Windows Script Files (WSFs) since March 2024.
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Top Israeli spy chief exposes his true identity in online security lapse | Israel | The Guardian

Exclusive: Yossi Sariel unmasked as head of Unit 8200 and architect of AI strategy after book written under pen name reveals his Google account

Ransomware gang’s new extortion trick? Calling the front desk

When a hacker called the company that his gang claimed to breach, he felt the same way that most of us feel when calling the front desk: frustrated.

The phone call between the hacker, who claims to represent the ransomware gang DragonForce, and the victim company employee was posted by the ransomware gang on its dark web site in an apparent attempt to put pressure on the company to pay a ransom demand. In reality, the call recording just shows a somewhat hilarious and failed attempt to extort and intimidate a company’s rank-and-file employees.

Targus discloses cyberattack after hackers detected on file servers

Laptop and tablet accessories maker Targus disclosed that it suffered a cyberattack disrupting operations after a threat actor gained access to the company's file servers.

Roku says 576,000 user accounts hacked after second security incident

Streaming giant Roku has confirmed a second security incident in as many months, with hackers this time able to compromise more than half a million Roku user accounts.

In a statement Friday, the company said about 576,000 user accounts were accessed using a technique known as credential stuffing, where malicious hackers use usernames and passwords stolen from other data breaches and reuse the logins on other sites.

Researchers discover new ransomware gang ‘Muliaka’ attacking Russian businesses

A previously unknown ransomware gang has been attacking Russian businesses with malware based on the leaked source code from the Conti hacking group.

The gang, which researchers at the Moscow-based cybersecurity company F.A.C.C.T. have dubbed “Muliaka," or Muddy Water in English, has left minimal traces from its attacks but has likely been active since at least December 2023.

Zero-Day Exploitation of Unauthenticated Remote Code Execution Vulnerability in GlobalProtect (CVE-2024-3400)

On April 10, 2024, Volexity identified zero-day exploitation of a vulnerability found within the GlobalProtect feature of Palo Alto Networks PAN-OS at one of its network security monitoring (NSM) customers. Volexity received alerts regarding suspect network traffic emanating from the customer’s firewall. A subsequent investigation determined the device had been compromised. The following day, April 11, 2024, Volexity observed further, identical exploitation at another one of its NSM customers by the same threat actor.

Kaspersky analysis of the backdoor in XZ

Kaspersky analysis of the backdoor recently found in XZ, which is used in many popular Linux distributions and in OpenSSH server process.

Why CISA is Warning CISOs About a Breach at Sisense

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) said today it is investigating a breach at business intelligence company Sisense, whose products are designed to allow companies to view the status of multiple third-party online services in a single dashboard.…

Fortinet Rolls Out Critical Security Patches for FortiClientLinux Vulnerability

If you use FortiClientLinux, update immediately. Critical vulnerability could let attackers run code on your system. Patch now, get the details here.

LockBit bungles attempt to rebrand as DarkVault

The LockBit cybercriminal outfit appears to be planning a ransomware rebrand as the DarkVault, discovered after LockBit seemingly bungled the new website’s design.

Apple Updates Spyware Alert System to Warn Victims of Mercenary Attacks

Apple's updated spyware alert system now warns individual users of potential targeting by mercenary spyware attacks.

Romania-linked ‘Rubycarp’ hackers look for cryptomining, phishing DDoS opportunities

Rubycarp has been in operation for at least a decade, and its campaigns appear to overlap with other cybercrime groups, according to researchers at Sysdig.

France Bracing for Cyberattacks During Summer Olympics

French officials are visiting Washington for cybersecurity consultations as President Emmanuel Macron predicts Moscow will try to target the Games.

Hacker doxxes nearly every adult in El Salvador

A hacker in El Salvador has released detailed information, including full names, birthdays, phone numbers, and social security numbers.

Round 2: Change Healthcare Targeted in Second Ransomware Attack

RansomHub, which is speculated to have some connection to ALPHV, has stolen 4TB of sensitive data from the beleaguered healthcare company.

Vulnerabilities Identified in LG WebOS

As the creator of the world’s first smart home cybersecurity hub, Bitdefender regularly audits popular IoT hardware for vulnerabilities. This research paper is part of a broader program that aims to shed light on the security of the world’s best-sellers in the IoT space. This report covers vulnerabilities discovered while researching the LG WebOS TV operating system.

Security Advisory YSA-2024-01

A security issue has been identified in YubiKey Manager GUI which could lead to unexpected privilege escalation on Windows. If a user runs the YubiKey Manager GUI as Administrator, browser windows opened by YubiKey Manager GUI may be opened as Administrator which could be exploited by a local attacker to perform actions as Administrator. Under this circumstance, some browsers like Edge for example, have additional mitigations to prevent opening as Administrator.

SP 800-61 Rev. 3, Incident Response Recommendations and Considerations for Cybersecurity Risk Management: A CSF 2.0 Community Profile

Incident response is a critical part of cybersecurity risk management and should be integrated across organizational operations. The six Functions of the NIST Cybersecurity Framework (CSF) 2.0 all play vital roles in incident response.

NIST is releasing the initial public draft of Special Publication (SP) 800-61r3 (Revision 3), Incident Response Recommendations and Considerations for Cybersecurity Risk Management: A CSF 2.0 Community Profile, for public comment. This publication seeks to assist organizations with incorporating cybersecurity incident response recommendations and considerations throughout their cybersecurity risk management activities, as described by CSF 2.0. Doing so can help organizations prepare for incident responses, reduce the number and impact of incidents that occur, and improve the efficiency and effectiveness of their incident detection, response, and recovery activities.

PSG : le système de billetterie du club attaqué

Le club parisien a informé ses abonnés ce lundi qu’un « acte malveillant » avait visé le système de billetterie, ciblant des données d’identité.

Microsoft employees exposed internal passwords in security lapse

Microsoft has resolved a security lapse that exposed internal company files and credentials to the open internet.

Security researchers Can Yoleri, Murat Özfidan and Egemen Koçhisarlı with SOCRadar, a cybersecurity company that helps organizations find security weaknesses, discovered an open and public storage server hosted on Microsoft’s Azure cloud service that was storing internal information relating to Microsoft’s Bing search engine.

The Azure storage server housed code, scripts and configuration files containing passwords, keys and credentials used by the Microsoft employees for accessing other internal databases and systems.

Muddled Libra’s Evolution to the Cloud

Unit 42 researchers have discovered that the Muddled Libra group now actively targets software-as-a-service (SaaS) applications and cloud service provider (CSP) environments. Organizations often store a variety of data in SaaS applications and use services from CSPs. The threat actors have begun attempting to leverage some of this data to assist with their attack progression, and to use for extortion when trying to monetize their work.

April’s Patch Tuesday Brings Record Number of Fixes

If only Patch Tuesdays came around infrequently — like total solar eclipse rare — instead of just creeping up on us each month like The Man in the Moon. Although to be fair, it would be tough for Microsoft to eclipse the number of vulnerabilities fixed in this month’s patch batch — a record 147 flaws in Windows and related software.

Cybercrime: The Office of the Attorney General of Switzerland files an indictment in connection with a number of cases of social engineering, in particular of bogus bank technician scams

On 4 April 2024, the Office of the Attorney General of Switzerland has filed an indictment in the Federal Criminal Court against a French-Israeli citizen in connection with a series of cybercrime attacks carried out against Swiss companies. The defendant is accused of taking an active part in numerous cases of social engineering, particularly bogus bank technician scams, contributing decisively to the misappropriation of more than CHF 5 million from the bank accounts of various companies based in Switzerland.