Threats

Malware, attack campaigns, APT groups

Iranian APT Seedworm Deploys Dindoor Backdoor via Microsoft Teams Social Engineering Using Deno Runtime for In-Memory Execution

Threats

Iranian APT Seedworm Deploys Dindoor Backdoor via Microsoft Teams Social Engineering Using Deno Runtime for In-Memory Execution

CyberProof researchers have uncovered a campaign by Iranian APT group Seedworm that uses Microsoft Teams as an initial access vector, deploying a custom backdoor called Dindoor through social engineering that impersonates IT support personnel. The campaign emerged in early March 2026, coinciding with a surge in Iranian-linked cyber activity

By Zero Day Wire
DSCourier Proof-of-Concept Abuses WinGet COM API to Bypass CrowdStrike Falcon, Microsoft Defender, and Elastic EDR

Threats

DSCourier Proof-of-Concept Abuses WinGet COM API to Bypass CrowdStrike Falcon, Microsoft Defender, and Elastic EDR

A security researcher has released DSCourier, a proof-of-concept tool that abuses the WinGet Configuration COM API to apply arbitrary Desired State Configuration (DSC) configurations through Microsoft-signed binaries — a technique that has been demonstrated bypassing three of the most widely deployed enterprise EDR platforms: CrowdStrike Falcon, Microsoft Defender

By Zero Day Wire
Trivy Supply Chain Attack Escalates — TeamPCP Pushes Infostealers via Docker Hub, Deploys Kubernetes Wiper Targeting Iranian Systems

Threats

Trivy Supply Chain Attack Escalates — TeamPCP Pushes Infostealers via Docker Hub, Deploys Kubernetes Wiper Targeting Iranian Systems

The supply chain compromise of Trivy, the widely used open-source vulnerability scanner maintained by Aqua Security, has escalated dramatically — with threat actor TeamPCP pushing malicious Docker images to Docker Hub, defacing Aqua Security's internal GitHub organization, distributing a self-propagating worm across dozens of npm packages, and

By Zero Day Wire
Storm-2561 Distributes Fake Enterprise VPN Clients From Cisco, Fortinet, and Ivanti via SEO Poisoning to Steal Corporate Credentials

Threats

Storm-2561 Distributes Fake Enterprise VPN Clients From Cisco, Fortinet, and Ivanti via SEO Poisoning to Steal Corporate Credentials

Microsoft has disclosed a credential theft campaign by Storm-2561, a criminal group active since May 2025, that distributes fake enterprise VPN clients from major vendors through SEO poisoning — capturing corporate credentials before seamlessly redirecting victims to the real VPN download to erase any indication of compromise. The campaign, running

By Zero Day Wire
BlackBasta-Linked Actors Deploy New A0Backdoor via Microsoft Teams Social Engineering With DNS MX-Based C2

Threats

BlackBasta-Linked Actors Deploy New A0Backdoor via Microsoft Teams Social Engineering With DNS MX-Based C2

Threat actors linked to the dissolved BlackBasta ransomware operation are targeting employees at financial and healthcare organizations through Microsoft Teams social engineering to deploy a previously undocumented backdoor called A0Backdoor that hides its command-and-control communications inside DNS MX record queries. The campaign, disclosed by BlueVoyant, has confirmed targets

By Zero Day Wire
Dutch Intelligence Warns of Russian State Campaign Hijacking Signal and WhatsApp Accounts of Government Officials Worldwide

Threats

Dutch Intelligence Warns of Russian State Campaign Hijacking Signal and WhatsApp Accounts of Government Officials Worldwide

The Dutch intelligence services AIVD and military intelligence service MIVD have issued a joint advisory warning that Russian state hackers are conducting a large-scale campaign to hijack Signal and WhatsApp accounts belonging to senior government officials, military personnel, civil servants, and journalists worldwide. Dutch government employees have already been

By Zero Day Wire