AWS Ransomware Alert: Codefinger’s Devious Encryption Plot Uncovered!
Halcyon RISE uncovered a novel ransomware campaign by Codefinger targeting Amazon S3 buckets. By exploiting AWS’s Server-Side Encryption with Customer-Provided Keys, Codefinger turns a security feature into a digital hostage situation, demanding ransom for AES-256 decryption keys. To add urgency, encrypted files face deletion within seven days.
Hot Take:
In a shocking twist of irony, AWS’s Server-Side Encryption with Customer-Provided Keys, designed to protect your data, has been transformed into a weapon of mass data destruction by the nefarious Codefinger. It’s like finding out your friendly neighborhood locksmith is moonlighting as a cat burglar. Who knew encryption keys could have such a dark side?
Key Points:
- Codefinger ransomware campaign targets AWS S3 buckets using SSE-C encryption.
- Attackers exploit AWS credentials for encryption and ransom demands.
- AWS logs only HMAC of encryption key, making data recovery impossible without ransom.
- Ransom notes instruct victims to pay in Bitcoin with a unique client ID.
- Urgency created with automatic seven-day deletion schedule for encrypted files.
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