Adversaries may employ a known symmetric encryption algorithm to conceal command and control traffic rather than relying on any inherent protections provided by a communication protocol. Symmetric encryption algorithms use the same key for plaintext encryption and ciphertext decryption. Common symmetric encryption algorithms include AES, DES, 3DES, Blowfish, and RC4.

Linked Issues

Issuelinks
Linktype Issue
is related to Techniques
is blocked by Detection Strategy for Encrypted Channel via Symmetric Cryptography across OS Platforms
is blocked by Network Intrusion Prevention
is blocked by Security, Compliance & Resilience Controls Oversight
is blocked by Secure Baseline Configurations
is blocked by Least Functionality
is blocked by Continuous Monitoring
is blocked by Public Key Infrastructure (PKI)
is blocked by Transmission of Cybersecurity & Data Protection Attributes
is blocked by Malicious Code Protection (Anti-Malware)
is blocked by Boundary Protection
is blocked by Data Flow Enforcement – Access Control Lists (ACLs)
is blocked by Session Integrity
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