SourceForge on DanSec Daily

Cybersecurity Brief – 2026-05-27

Wed, 27 May 2026 00:00:00 +0000

Major Incidents or Breaches

Charter Communications confirmed a data breach after the ShinyHunters extortion group threatened to leak stolen data unless a ransom was paid ^[13].
Information allegedly stolen from 7-Eleven has been leaked, impacting approximately 185,000 individuals and exposing email addresses, names, addresses, and dates of birth ^[33].
Over 5,500 GitHub repositories were compromised in a campaign using Megalodon malware, resulting in theft of credentials and developer secrets ^[18].
More than 700 education and tech websites were hijacked in a large-scale ClickFix malware campaign, exploiting a Ghost CMS flaw to serve malicious Cloudflare verification pages ^[40].

Newly Discovered Vulnerabilities

Microsoft released patches for a critical remote code execution vulnerability in SharePoint (CVE-2026-45659), which could be exploited without specialized conditions ^[8]^[20].
A critical zero-day vulnerability in the KnowledgeDeliver learning management system was exploited to deploy the Godzilla web shell; the flaw involved hardcoded machineKey values that enabled ViewState deserialization attacks ^[12]^[35].
CISA ordered immediate patching of an actively exploited SQL injection vulnerability in Drupal CMS for US government agencies ^[17].
CISA urged urgent patching of a zero-day vulnerability in the LiteSpeed cPanel plugin that was exploited in the wild to execute scripts with root privileges ^[29].

Notable Threat Actor Activity

The ShinyHunters extortion group was responsible for threats and data leaks targeting Charter Communications and 7-Eleven ^[13]^[33].
The Iranian APT group MuddyWater conducted a new espionage campaign targeting organizations across nine countries, employing DLL side-loading techniques ^[6].
The Iranian APT known as Nimbus Manticore continued targeting aviation and software companies using updated tools ^[32].
The FBI warned that the Silent Ransom Group is sending operatives in person to law firms to physically insert USB drives and steal data ^[28].
Fake installers and plugins for popular software such as ChatGPT and Claude, distributed via GitHub and SourceForge, were found to deliver Deno RAT, granting attackers full device control ^[39].

Trends, Tools, or Tactics of Interest

Threat actors are increasingly augmenting attacks with AI tools, including real-time operational deployment of AI in offensive operations, smarter AI-driven DDoS attacks, and use of AI to generate plain-English remediation guidance for vulnerabilities ^[2]^[7]^[38]^[37].
AI chatbot recommendations are being abused to redirect users to cryptojacking malware sites in active campaigns ^[5].
Multi-factor authentication (MFA) prompt bombing remains a prevalent tactic to bypass second-factor protections ^[9].
Remote access trojans such as BTMOB are leveraging ready-made campaign tools to lower barriers for full device compromise on Android devices ^[4].
Microsoft Defender is testing automatic endpoint isolation to prevent lateral movement after compromise ^[15].
AppOmni’s Marlin AI and Varonis Atlas are leveraging AI for autonomous SaaS security investigation and AI governance, respectively ^[31]^[14].
Anthropic released a Claude Sandbox security plugin to assist developers in identifying vulnerabilities during coding and expanded Claude’s enterprise security governance with 28 new integrations, including major security vendors ^[30]^[34].

Regulatory or Policy Developments Affecting the Security Industry

The Indian Computer Emergency Response Team (CERT-In) issued guidelines mandating that critical vulnerabilities in internet-facing systems be patched within 12 hours of detection amid increased AI-assisted attacks ^[10].
CISA announced a revised schedule for town halls to engage stakeholders on cyber incident reporting requirements for critical infrastructure ^[27].

Sources

Charter confirms data breach after ShinyHunters extortion threat - bleepingcomputer.com
185,000 Likely Impacted by 7-Eleven Data Breach - securityweek.com
Feeding Frenzy: 'Megalodon' Malware Infects Thousands of GitHub Repos - darkreading.com
700+ education and tech websites hijacked in huge ClickFix malware campaign - malwarebytes.com
Microsoft Patches SharePoint RCE Flaw CVE-2026-45659 Across Server Versions - thehackernews.com
Microsoft Issues Out-of-Band SharePoint Patch - darkreading.com
KnowledgeDeliver flaw exploited as a zero-day to install web shells - bleepingcomputer.com
Hackers Exploited KnowledgeDeliver Zero-Day for Web Shell Deployment - securityweek.com
CISA orders feds to patch actively exploited Drupal vulnerability - bleepingcomputer.com
CISA Urges Immediate Patching of Exploited LiteSpeed cPanel Plugin Zero-Day - securityweek.com
MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries - thehackernews.com
Iranian APT Targets Aviation, Software Companies With Updated Tools - securityweek.com
FBI: Hackers Sending Operatives in Person to Insert USB Drives and Steal Data - securityweek.com
Fake software on GitHub and SourceForge distribute Deno RAT - malwarebytes.com
Report: Adversarial Use of AI is Evolving - blog.knowbe4.com
[THN Webinar] New AI DDoS Attacks Are Smarter. Learn How to Fight Back - thehackernews.com
AI Threat Landscape Digest March-April 2026 - research.checkpoint.com
Open Source DockSec Uses AI to Cut Through Vulnerability Noise in Docker Images - securityweek.com
AI Chatbot Recommendations Redirect Users to Cryptojacking Malware Sites - thehackernews.com
MFA Prompt Bombing: Why Your Second Factor Isn't Saving You - thehackernews.com
BTMOB: A stealthy RAT burrowing deep into Android devices - welivesecurity.com
Microsoft Defender can now automatically isolate hacked endpoints - bleepingcomputer.com
AppOmni’s Marlin AI Brings Autonomous Investigation to SaaS Security - securityweek.com
How Varonis Atlas integrates Claude Compliance API for AI governance - bleepingcomputer.com
Anthropic Releases New Claude Sandbox, Security Guidance Plugin - securityweek.com
Anthropic Expands Claude’s Enterprise Security Governance With 28 New Integrations - securityweek.com
CERT-In Recommends 12-Hour Patching for Internet-Facing Flaws Amid AI-Assisted Attacks - thehackernews.com
CISA Announces Revised Town Hall Schedule to Engage with Stakeholders on Cyber Incident Reporting for Critical Infrastructure - cisa.gov

Cybersecurity Brief – 2025-04-09

Wed, 09 Apr 2025 00:00:00 +0000

SourceForge Used to Distribute Miner and ClipBanker Trojan

Malicious actors distributing a miner and the ClipBanker Trojan via SourceForge.
Unconventional persistence techniques utilized by attackers.

Microsoft Releases Security Fixes for 126 Flaws

Microsoft patches 126 flaws affecting its software products.
One vulnerability actively exploited in the wild addressed.

Adobe Patches 11 Critical ColdFusion Flaws

Adobe releases security updates to fix critical-severity bugs in ColdFusion.
Multiple vulnerabilities discovered in versions 2025, 2023, and 2021.

Fortinet Urges Upgrades to Patch Critical Admin Password Change Flaw

Critical security flaw impacting FortiSwitch addressed by security updates.
Vulnerability could permit unauthorized password changes.

Amazon EC2 SSM Agent Flaw Patched After Privilege Escalation

Security flaw in Amazon EC2 Simple Systems Manager (SSM) Agent disclosed and patched.
Exploitation could allow attackers to achieve privilege escalation.

Cyber Attacks Targeting Ukraine with Information-Stealing Malware

Ukrainian institutions targeted with information-stealing malware.
Cyber attacks aim at military entities.

Fake Microsoft Office add-ins Pushing Malware via SourceForge

Threat actors distributing fake Microsoft add-ins via SourceForge.
Malware installation for cryptocurrency mining and theft purposes.

Ransomware Gang Exploits Windows Common Log File System Zero-Day

RansomEXX ransomware gang exploiting Windows CLFS zero-day flaw.
Gain SYSTEM privileges on victims’ systems.

New Mirai Botnet Behind Surge in TVT DVR Exploitation

Significant spike in exploitation attempts targeting TVT NVMS9000 DVRs detected.
Over 2,500 unique IPs scanning for vulnerable devices.

AWS Introduces ML-KEM to Secure TLS from Quantum Threats

Amazon Web Services adds ML-KEM post-quantum key encapsulation mechanism to key services.
Enhances security against quantum threats.

Microsoft Patch Tuesday Addresses Exploited Zero-Day and 134 Flaws

Security updates for 134 flaws, including one actively exploited zero-day vulnerability.
Ransomware campaign exploiting one of the flaws with victims in the US and other countries.

Cybersecurity Brief – 2025-04-08

Tue, 08 Apr 2025 00:00:00 +0000

Major Incidents and Attacks

Attackers are distributing a miner and the ClipBanker Trojan via SourceForge, using unconventional persistence techniques.
Researchers discovered a surge in SMS phishing (smishing) attacks driven by a phishing-as-a-service (PhaaS) platform named ‘Lucid.’

Newly Discovered Vulnerabilities

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a critical security flaw impacting CrushFTP to its Known Exploited Vulnerabilities (KEV) catalog.
Google released patches for 62 vulnerabilities, including two actively exploited zero-days in Android devices.

Impacts on the Cybersecurity Industry

The dark web leak site of the Everest ransomware gang was hacked and is now offline, affecting the ransomware group’s operations.
Nine malicious VSCode extensions on Microsoft’s Visual Studio Code Marketplace were found infecting users with cryptominers.
WK Kellogg Co disclosed a data breach linked to Clop ransomware attacks, warning employees and vendors about stolen company data.

Regulatory and Policy Developments

NIST is implementing a ‘Deferred’ status for dated vulnerabilities to prioritize CVEs in the National Vulnerability Database (NVD).
EU officials are preparing to ’ease the burden’ of the GDPR data privacy law for small and medium businesses while ensuring data privacy rules still function effectively.

Notable Incidents in Aviation Sector

The Computer Emergency Response Team of Ukraine (CERT-UA) revealed cyber attacks targeting Ukrainian institutions with information-stealing malware, impacting military entities.

Overall, the cybersecurity landscape is witnessing a rise in sophisticated attacks, exploitation of vulnerabilities, and regulatory efforts to enhance security standards, with specific incidents targeting various sectors like gaming, ransomware, and phishing-as-a-service platforms.