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attack_type:backdoor × limpar

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31 casos · pág. 1/2

feeds.fortinet.com · high

QuickFox supply chain compromise trojanizes Windows app to deploy FDMTP implant, with technical overlap to Twill Typhoon

FortiGuard Incident Response reports a supply chain attack on the QuickFox Windows application, whose trojanized components deployed the FDMTP implant to users. QuickFox's user base is mainly Chinese international students and expats. Affected Windows versions are those later than v3.0.35 and earlier than v3.55.6. QuickFox has removed the…

welivesecurity.com · high

FamousSparrow deploys new SparroWocky backdoor against Latin American governments, replacing SparrowDoor

ESET Research reports that the China-aligned APT group FamousSparrow has been using a new modular C++ backdoor, SparroWocky, since at least August 2025. The backdoor has replaced SparrowDoor as the group's main implant. From mid-2025 into 2026, about 90% of the group's targets in ESET telemetry were in Latin America, mostly governmental e…

securelist.com · high

Toy Ghouls deploys custom backdoors using HiveMQ MQTT and Element/Matrix as C2 against Russian organizations

Toy Ghouls (aka Bearlyfy, Laboo.boo, Feral Wolf), a financially motivated group targeting Russian organizations since 2025, was observed in early July 2026 using a custom backdoor for the first time. Kaspersky GERT identified two versions, mqtt-bird-agent 0.1.0 (C2 over the public HiveMQ MQTT broker) and matrix-bird-agent 0.1.0 (C2 over a…

thehackernews.com · critical

Rank Math PRO update channel compromised to deliver self-restoring backdoor in version 3.0.123 (CVE-2026-111862)

Rank Math disclosed that copies of Rank Math PRO, the paid WordPress SEO plugin, downloaded from rankmath.com or delivered as updates between 20:02 UTC on October 15 and 07:12 UTC on October 16, 2026 contained malware. Any site that installed and activated an affected copy should be treated as compromised. The malware can recreate its hid…

cyberscoop.com · high

APT28 (Swallowtail) breaches NATO-country shipbuilder, aircraft engine maker and law enforcement agency using Hookedge backdoor

Symantec reports that APT28 (also tracked as Swallowtail, Fancy Bear and Forest Blizzard), a group linked to Russia's GRU, compromised two defense firms and a law enforcement agency in NATO countries in recent months. The victims were a naval shipbuilder, a manufacturer of military aircraft engines and the agency. At the shipbuilder, oper…

securityweek.com · high

UNC7017 Compromises AOMEI Backupper Update Channel in Short-Burst Supply Chain Attacks Delivering CrossRoad and ShinyRoad

Between April and July 2026, the threat actor UNC7017 tampered with the AOMEI Backupper update infrastructure several times to deliver the CrossRoad downloader and the ShinyRoad modular backdoor. Each tampering window lasted only five to ten minutes before reverting to authentic files. This made the campaign hard to detect and suggests it…

gbhackers.com · high

UNC7017 hijacks AOMEI update infrastructure to deliver CROSSROAD downloader and SHINYROAD backdoor

A supply chain campaign tracked as UNC7017 hijacked the update infrastructure of AOMEI Technology between April and July 2026 to distribute the CROSSROAD downloader and the SHINYROAD backdoor through AOMEI Backupper and AnyViewer update workflows. The attackers tampered with server configurations only briefly, then restored legitimate con…

ClingSTUN Linux backdoor turns exploited IoT devices into proxy nodes via public STUN servers

FortiGuard Labs describes ClingSTUN, a Linux back-connect proxy backdoor that keeps persistent access and turns compromised devices into remotely controlled proxy nodes. It combines persistence, process termination, watchdog manipulation and remote command execution. It also uses legitimate public STUN servers for NAT traversal, to discov…

welivesecurity.com · high

UAC-0099 evolves MATCHBOIL C# downloader targeting Ukrainian transport, manufacturing and energy firms

ESET documented the evolution of MATCHBOIL, a custom C downloader used by the Russia-aligned cyberespionage group UAC-0099. Samples span April 2024 to April 2026, although CERT-UA first documented the malware in August 2025. Each iteration became more sophisticated, with new obfuscation, sandbox checks and persistence methods. All victims…

bleepingcomputer.com · high

UNC7017 hijacks AOMEI Backupper update servers to deliver CROSSROAD downloader and SHINYROAD backdoor

Between April and July 2026, a threat actor tracked as UNC7017 compromised AOMEI update and notification infrastructure and used it to push malware to users of AOMEI Backupper. The attackers briefly altered two configuration files and restored them within minutes to evade detection. The campaign was uncovered by ManageEngine's Threat Anal…

thehackernews.com · high

UNC7017 tampers with AOMEI Backupper update servers in short windows to deliver CROSSROAD and SHINYROAD backdoors

Between May and July 2026, attackers tracked by Google Threat Intelligence Group (GTIG) as UNC7017 altered files on AOMEI's own update servers for windows of 5 to 10 minutes. Any copy of AOMEI Backupper that checked for updates during a window downloaded and ran a backdoor. GTIG, Mandiant and ManageEngine's Threat Analysis Lab disclosed t…

bleepingcomputer.com · · 2 fontes · 2 atualizações critical

TeamUpdraft breach exposes UpdraftCentral keys; attackers backdoor WordPress sites with 99 malicious plugins

TeamUpdraft, developer of UpdraftPlus, detected unauthorized access to teamupdraft.com over the weekend of 17-18 October 2026 and believes the attacker accessed its customer database. The database held customer and billing details, order history, two-factor authentication settings, and connection keys for UpdraftCentral, UpdraftVault and …

safedep.io · high

sckit: Go implant framework found in MemTensor npm and PyPI packages steals developer and CI credentials for supply chain worm spread

SafeDep analyzed sckit (the "supplychain.local worm"), a previously unreported cross-platform Go implant framework found on September 23, 2026 in the compromised MemTensor packages @memtensor/email protected (npm) and email protected (PyPI). It harvests credentials from developer machines and CI jobs, takes signed tasks from a C2 server, …

securelist.com · high

ValleyRAT backdoor distributed via trojanized QN Wallpaper adware installer using libcef.dll sideloading, likely Silver Fox

Kaspersky analysis of an installer first classified as adware (MD5 c24e99f9437feacaa63766a3cde3fe3d) found that it delivers the ValleyRAT backdoor. The installer drops a modified, signed Chinese wallpaper tool, QN Wallpaper, and uses it for DLL sideloading of a malicious libcef.dll. The adware's advertising function does not work. Attacke…

NightEagle (APT-Q-95) targets Russian organizations with GhostContainer Exchange backdoor and RDP tunneling

Kaspersky GERT reports that the NightEagle APT (also tracked as APT-Q-95), active since at least 2023 and previously focused on Asia, is now attacking businesses in Russia. The attackers usually gain access through compromised valid credentials on corporate VPNs, connecting from Russian IPs tied to Cloudflare WARP tunnels and from Europea…

securelist.com · high

MacSync macOS stealer returns with binary droppers, iCloud calendar staging and a backdoor targeting crypto users and developers

Kaspersky researchers describe a new MacSync macOS infostealer variant, first seen in the wild in September 2026, that replaces the earlier AppleScript-based droppers with FAT Mach-O binaries written in Objective-C and Swift. MacSync is sold as malware-as-a-service, so delivery varies by operator. In this campaign it spread through malici…

thehackernews.com · high

CL-STA-0954 exploits FortiOS CVE-2025-61624 to deploy memory-resident ARM64 implant PEERSTITCH after FortiJump breach

Palo Alto Networks Unit 42 reports that a suspected advanced actor tracked as CL-STA-0954 (aka UNC5820) deployed a previously unreported memory-resident ARM64 implant, PEERSTITCH, on Fortinet FortiGate firewalls. The group exploited the FortiOS path traversal flaw CVE-2025-61624 for the final stage. The intrusion hit a telecommunications …