FortiGuard

ShadowV2 Mirai Botnet Launched Coordinated IoT Test Attack During Global AWS Outage

• Malware

ShadowV2 Mirai Botnet Launched Coordinated IoT Test Attack During Global AWS Outage

Do Son December 1, 2025 0

While IT teams worldwide scrambled to restore services during a massive AWS outage in October, a new...

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FortiGuard Tracks HoldingHands Malware Shift: Cross-Regional APT Uses Task Scheduler Hijack to Evade Detection

• Malware

FortiGuard Tracks HoldingHands Malware Shift: Cross-Regional APT Uses Task Scheduler Hijack to Evade Detection

Do Son October 20, 2025 0

FortiGuard Labs has uncovered a sophisticated cross-regional campaign that has gradually expanded from China to Taiwan, Japan,...

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New Stealit Infostealer Abuses Node.js SEA Feature and Telegram C2 in Malware-as-a-Service Campaign

• Malware

New Stealit Infostealer Abuses Node.js SEA Feature and Telegram C2 in Malware-as-a-Service Campaign

Do Son October 13, 2025 0

FortiGuard Labs has identified a new and active Stealit malware campaign that abuses the Node.js Single Executable...

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Chaos Ransomware Evolves to C++, Uses Destructive Extortion to Delete Large Files and Hijack Bitcoin Clipboard

• Malware

Chaos Ransomware Evolves to C++, Uses Destructive Extortion to Delete Large Files and Hijack Bitcoin Clipboard

Do Son October 9, 2025 0

FortiGuard Labs has identified a new, highly destructive variant of the Chaos ransomware, marking a major shift...

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FortiGuard Labs Uncovers Global Phishing Campaign Using UpCrypter to Deploy RATs

• Malware

FortiGuard Labs Uncovers Global Phishing Campaign Using UpCrypter to Deploy RATs

Do Son August 26, 2025 0

FortiGuard Labs has uncovered a rapidly spreading phishing campaign that leverages carefully crafted emails and fake websites...

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FormBook Returns: Exploiting CVE-2017-0199 via Malicious Excel Attachments in New Phishing Campaign

• Malware

FormBook Returns: Exploiting CVE-2017-0199 via Malicious Excel Attachments in New Phishing Campaign

Do Son June 9, 2025 0

FortiGuard Labs has uncovered a renewed phishing campaign that leverages the eight-year-old CVE-2017-0199 vulnerability to deploy FormBook,...

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Iranian APT Group Breaches Middle Eastern Critical Infrastructure in Stealth Campaign

• Cyber Security

Iranian APT Group Breaches Middle Eastern Critical Infrastructure in Stealth Campaign

Do Son May 5, 2025 0

Recently, the FortiGuard Incident Response (FGIR) team has released an in-depth analysis detailing a prolonged, state-sponsored intrusion...

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