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ISC2 Systems Security Certified Practitioner (SSCP) Practice Question

While monitoring a Linux Amazon EC2 instance that runs an internal web app, the security team sees a spike in outbound traffic to unknown IPs. Standard utilities like ps and netstat show nothing unusual. Systems Manager Inventory then reports unauthorized kernel modules and that /bin/ls and /usr/bin/ps have been altered. Which malware type is most likely responsible?

  • Crypto-ransomware encrypting user files and displaying ransom notes

  • A kernel-mode rootkit that hides its presence by modifying system calls and core binaries

  • A self-propagating network worm exploiting SMB vulnerabilities

  • A trojanized remote-access tool installed through phishing

ISC2 Systems Security Certified Practitioner (SSCP)
Systems and Application Security
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