Security Affairs newsletter Round 435 by Pierluigi Paganini – International edition

Pierluigi Paganini September 03, 2023

A new round of the weekly SecurityAffairs newsletter arrived! Every week the best security articles from Security Affairs are free for you in your email box.

Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press.

LockBit ransomware gang hit the Commission des services electriques de Montréal (CSEM)
Social engineering attacks target Okta customers to achieve a highly privileged role
Talos wars of customizations of the open-source info stealer SapphireStealer
UNRAVELING EternalBlue: inside the WannaCry’s enabler
Researchers released a free decryptor for the Key Group ransomware
North Korea-linked APT Labyrinth Chollima behind PyPI supply chain attacks
Fashion retailer Forever 21 data breach impacted +500,000 individuals
Russia-linked hackers target Ukrainian military with Infamous Chisel Android malware
Akira Ransomware gang targets Cisco ASA without Multi-Factor Authentication
Paramount Global disclosed a data breach
National Safety Council data leak: Credentials of NASA, Tesla, DoJ, Verizon, and 2K others leaked by workplace safety organization
Abusing Windows Container Isolation Framework to avoid detection by security products
Chinese GREF APT distributes spyware via trojanized Signal and Telegram apps on Google Play and Samsung Galaxy stores
Threat actors started exploiting Juniper flaws shortly after PoC release
Why are we seeing such a huge demand for AI at the moment?
Critical RCE flaw impacts VMware Aria Operations Networks
FBI: Operation ‘Duck Hunt’ dismantled the Qakbot botnet
UNC4841 threat actors hacked US government email servers exploiting Barracuda ESG flaw
Hackers infiltrated Japan’s National Center of Incident Readiness and Strategy for Cybersecurity (NISC) for months
FIN8-linked actor targets Citrix NetScaler systems
Japan’s JPCERT warns of new ‘MalDoc in PDF’ attack technique
Attackers can discover IP address by sending a link over the Skype mobile app
Researchers published PoC exploit code for Juniper SRX firewall flaws
Rhysida ransomware group claims the hack of Prospect Medical
Updated Kmsdx botnet targets IoT devices
Massive MOVEit campaign already impacted at least 1,000 organizations and 60 million individuals
Poland’s authorities investigate a hacking attack on country’s railways
Leaked LockBit 3.0 ransomware builder used by multiple threat actors
Cisco fixes 3 high-severity DoS flaws in NX-OS and FXOS software


Unpacking the MOVEit Breach: Statistics and Analysis   

Cl0p Ups The Ante With Massive MOVEit Transfer Supply-Chain Exploit  

FBI, Partners Dismantle Qakbot Infrastructure in Multinational Cyber Takedown   

U.S. Hacks QakBot, Quietly Removes Botnet Infections  

Under Siege: Rapid7-Observed Exploitation of Cisco ASA SSL VPNs  

Why is .US Being Used to Phish So Many of Us?  

Cybercrime to cost Germany 206 billion euros in 2023, survey finds 


Lockbit leak, research opportunities on tools leaked from TAs  

Updated Kmsdx Binary Shows KmsdBot Is Targeting the IoT Landscape  


Unleashing the Power of YARA: The Definitive Guide to Advanced Malware Hunting Beyond Hash-based Identifiers  

How the FBI nuked Qakbot malware from infected Windows PCs

Agent Tesla – Building an effective decryptor  

BadBazaar espionage tool targets Android users via trojanized Signal and Telegram apps   

Under the shellcode of the ‘Operation Duck Hunt’. Analysis of the FBI’s ducks killer  

CISA and International Partners Release Malware Analysis Report on Infamous Chisel Mobile Malware   

Decrypting Key Group Ransomware: Emerging Financially Motivated Cyber Crime Gang

SapphireStealer: Open-source information stealer enables credential and data theft      


The Cheap Radio Hack That Disrupted Poland’s Railway System  

CVE-2023-36844 And Friends: RCE In Juniper Devices  

Hackers Can Silently Grab Your IP Through Skype. Microsoft Is In No Rush to Fix It

MalDoc in PDF – Detection bypass by embedding a malicious Word file into a PDF file 

Hacktivists Breach Iranian Surveillance System         

A Brazilian phone spyware was hacked and victims’ devices ‘deleted’ from server

Contain Yourself: Staying Undetected Using the Windows Container Isolation Framework      

VMConnect supply chain attack continues, evidence points to North Korea  

Okta Warns of Social Engineering Attacks Targeting Super Administrator Privileges

Hacktivists Breach Iranian Surveillance System 

Intelligence and Information Warfare

Poland investigates cyber-attack on rail network  

Japan’s cyber security agency suffers months-long breach

Diving Deep into UNC4841 Operations Following Barracuda ESG Zero-Day Remediation (CVE-2023-2868)  

It Costs Just $400 to Build an AI Disinformation Machine     

UK and allies support Ukraine calling out Russia’s GRU for new malware campaign  


Europe is Cracking Down on Big Tech. This Is What Will Change When You Sign On  

Growing use of AI in cybersecurity reveals new possibilities  

Are Software Updates Useless Against Advanced Persistent Threats?

AI needs ‘human control’ to avoid being weaponized, says Microsoft’s president  

Credentials of NASA, Tesla, DoJ, Verizon, and 2K others leaked by workplace safety organization     

NYC Subway Will Disable ‘Feature’ That Leaked Trip History After 404 Media Investigation  

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Pierluigi Paganini

(SecurityAffairs – hacking, newsletter)

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