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Chinese threat actors use Quad7 botnet in password-spray attacks

Security Affairs

Microsoft warns Chinese threat actors are using the Quad7 botnet to carry out password-spray attacks and steal credentials. Chinese threat actors use the Quad7 botnet in password-spray attacks to steal credentials, Microsoft warns. These routers are used to relay brute-force attacks on Microsoft 365 accounts.

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China-linked actor’s malware DeepData exploits FortiClient VPN zero-day

Security Affairs

Chinese threat actors use custom post-exploitation toolkit ‘DeepData’ to exploit FortiClient VPN zero-day and steal credentials. Volexity researchers discovered a vulnerability in Fortinet’s Windows VPN client that China-linked threat actor BrazenBamboo abused in their DEEPDATA malware. ” reads the advisory.

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Threat Spotlight: Credential Theft vs. Admin Control—Two Devastating Paths to VPN Exploitation

Digital Shadows

Key Findings Even years after their disclosure, VPN-related vulnerabilities like CVE-2018-13379 and CVE-2022-40684 remain essential tools for attackers, driving large-scale campaigns of credential theft and administrative control. How AI and automation are amplifying the scale and sophistication of VPN attacks.

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Processing 23 Billion Rows of ALIEN TXTBASE Stealer Logs

Troy Hunt

We've also added 244M passwords we've never seen before to Pwned Passwords and updated the counts against another 199M that were already in there. The file in the image above contained over 36 million rows of data consisting of website URLs and the email addresses and passwords entered into them.

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U.S. CISA adds Cisco ASA and FTD, and RoundCube Webmail bugs to its Known Exploited Vulnerabilities catalog

Security Affairs

The vulnerability CVE-2024-20481 (CVSS score of 5.8) is a Denial of Service (DoS) issue that impacts the Remote Access VPN (RAVPN) service of ASA and FTD. An attacker could exploit this vulnerability by sending a large number of VPN authentication requests to an affected device. This vulnerability is due to resource exhaustion.

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Feds Charge Five Men in ‘Scattered Spider’ Roundup

Krebs on Security

Some SMS phishing messages told employees their VPN credentials were expiring and needed to be changed; other phishing messages advised employees about changes to their upcoming work schedule. The bot allowed the attackers to use the phished username, password and one-time code to log in as that employee at the real employer website.

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Check Point released hotfix for actively exploited VPN zero-day

Security Affairs

Check Point released hotfixes for a VPN zero-day vulnerability, tracked as CVE-2024-24919, which is actively exploited in attacks in the wild. Check Point released hotfixes to address a VPN zero-day vulnerability, tracked as CVE-2024-24919 , which is actively being exploited in attacks in the wild.

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