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CategoryAll AI safety & security 14 Exploit / PoC 14 Research 13 Policy & legal 8 Industry 7 AI industry 7 Phishing & fraud 7 Vulnerability 6 Data breach 6 Threat actor 6 Malware 5 AI research 4 AI policy 2 Tools 2

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DragonForce Hackers Abuse Microsoft Teams Relays to Hide Backdoor.Turn C2 Traffic

Symantec and Carbon Black found DragonForce-linked hackers using Backdoor.Turn, a Go RAT tunneling C2 through Microsoft Teams TURN relays via QUIC.

Broadcom's Symantec and Carbon Black documented Backdoor.Turn, a Go-based RAT associated with the DragonForce ransomware group, deployed at a major U.S. services firm where attackers remained on the network for one to two months. The backdoor obtains an anonymous Teams visitor token from Microsoft's Skype-backed identity services, uses a legitimate Microsoft TURN relay for connection setup, and runs a QUIC session to the attacker's C2 server, so defenders see only outbound traffic to legitimate Teams servers. Initial access is suspected to involve exploiting a SQL/MS-SQL vulnerability or an access broker, followed by a PowerShell-dropped ZIP, DLL side-loading, and BYOVD evasion using a Huawei driver; the RAT is injected into DbgView64.exe after DragonForce ransomware deployment for continued access. First publicly documented TURN abuse by the group, it leverages Praetorian's Ghost Calls technique and supports command execution, network scanning, LDAP/AD search, lateral movement, and browser credential theft.

The Hacker NewsAug 18, 12:13 UTC · 29d agoMalware CVE-2023-52271 CVE-2025-61155 CVE-2025-10551

Open VSX Removes 77 Malicious Evil Twin Extensions Exfiltrating Developer Data

77 malicious 'evil twin' Open VSX extensions impersonated developer tools and exfiltrated hostnames and detailed workspace reconnaissance to mangorbit.com.

Manifold Security found 77 extensions uploaded to the Open VSX marketplace between July 26 and August 1, 2026 that impersonate real Microsoft VS Code Marketplace tools, with all 77 sending data to mangorbit.com. 58 lightweight variants exfiltrate the hostname, while 19 recon variants collect editor details, OS username, Git remote hosts, CI environment variables (GitHub, GitLab, Azure DevOps, Buildkite, CircleCI, Codespaces, Gitpod), and installed extension IDs. The recon variant retries for up to seven days and can fall back to a DNS TXT record for exfiltration if the primary domain is blocked. The extensions were removed from Open VSX by August 3, 2026; the disclosure follows a separate npm supply chain campaign, ChainDrop, which compromised 450 packages with a Shai-Hulud worm variant.

The Hacker NewsSep 1, 08:33 UTC · 15d agoMalware

E4del and PINHOLE RATs Turn FTP Banners Into Dead Drops for Malware Commands

Researchers identified two new RATs, E4del and PINHOLE, using FTP banners as dead drop resolvers to fetch C2 commands via ClickFix-style lures.

SOCRADAR documented two previously unreported RATs, E4del and PINHOLE, that use FTP banners as dead drop resolvers, a first in-the-wild use of this technique. E4del is a Node.js-based RAT hidden in a digitally signed Electron application masquerading as Discord, with tiered-jitter beaconing, reverse shell, screenshot capture and desktop streaming. PINHOLE is more advanced, using Pinterest, SurveyMonkey and Cloudflare Workers for C2 resolution, six layers of unpacking, Halo's Gate EDR evasion and Early Bird APC injection. A related WebDAV delivery chain overlaps with ClearFake campaigns distributing WordlistLoader and Amatera Stealer.

The Hacker NewsAug 25, 11:33 UTC · 22d agoMalware in the wild

FrostyGoop’s Zoom-In: A Closer Look into the Malware Artifacts, Behaviors and Network Communications

Unit 42 dissects FrostyGoop OT malware, which sent Modbus TCP commands to disrupt heating for 600+ apartment buildings in Ukraine.

Palo Alto Unit 42 analyzed new FrostyGoop/BUSTLEBERM samples, the ninth known ICS-centric malware, first used against a Ukrainian municipal energy company by sending Modbus TCP commands to ENCO control devices. The attack caused a two-day heating outage affecting over 600 apartment buildings during sub-zero temperatures. The Go-compiled malware accepts Modbus register operations and timing parameters via command-line arguments or a JSON configuration file, uses an obscure open-source Modbus library, and checks the Windows BeingDebugged flag to evade debuggers. Unit 42 telemetry recorded over 1 million Modbus TCP devices exposed to the internet between September and October 2024.

Palo Alto Unit 42Aug 19, 12:04 UTC · 28d agoMalware in the wild

New Mirai-Based Evooo1Bot Botnet Targets Linux Devices

FortiGuard Labs disclosed Evooo1Bot, a Mirai-based Linux botnet active since July 2026 that hijacks routers and IoT devices for DDoS, credential theft, and SOCKS5 proxying.

Fortinet's FortiGuard Labs disclosed Evooo1Bot, a previously undocumented Linux botnet active since July 2026 that reuses Mirai's DDoS engine while adding encrypted C2, SSH brute-force scanning, credential sniffing, and SOCKS5 proxy modules. The bot exploits 18 known CVEs across Alcatel, NETGEAR, Tenda, D-Link, Telesquare, and Mitsubishi devices, some dating back to 2007, and communicates exclusively over port 443 to blend with HTTPS traffic. Compromised hosts can be turned into SOCKS5 relays for anonymous traffic forwarding or monetization via proxy services. The malware uses AES-256-CTR, ChaCha20, and XOR obfuscation with a 28-command administration interface.

Security AffairsAug 18, 07:20 UTC · 29d agoMalware in the wildCVE-2007-3010 CVE-2016-6277 CVE-2018-14558+7 CVEs