The "Deadlink.zip" campaign is a socially engineered cyberattack designed to trick users into executing malicious code. By using a subject line that implies a failed link or a necessary download, attackers exploit the user's curiosity or sense of urgency. This paper breaks down the lifecycle of the attack, from initial contact to system compromise. 2. Anatomy of the Lure
Using a .zip archive allows attackers to bypass simple email filters that might block executable files like .exe or .scr . 3. The Attack Lifecycle Phase I: Initial Access (The Email) DOWNLOAD FILE – Deadlink.zip
Enable "Show File Extensions" in Windows to reveal hidden .exe files. The "Deadlink
Files named Document.pdf.exe , where the system hides the .exe , making it appear as a harmless PDF. Phase III: Execution & Persistence The Attack Lifecycle Phase I: Initial Access (The
The choice of "Deadlink.zip" as a filename is calculated. It suggests:
Train staff to recognize that legitimate "broken links" are fixed on the server, not via unsolicited ZIP attachments. 6. Conclusion
It implies a technical error that the recipient needs to "fix" by downloading the attachment.