Self-Signed SSL Certificates Used in Malware Command-and-Control Networks
IntelliShield: Security Activity Bulletin
2013 March 01 21:09 GMT
2013 March 01 21:09 GMT
Self-signed SSL certificates could allow attackers conducting Advanced Persistent Threat campaigns to obscure malicious command-and-control infrastructure network communications.
Self-signed SSL certificates could allow attackers conducting Advanced Persistent Threat (APT) campaigns to obscure malicious command-and-control (C2) infrastructure network communications.
Reports indicate that ongoing APT campaigns may use self-signed SSL certificates to encrypt network communications between C2 servers. The attackers could use crafted self-signed SSL certificates that use the names of legitimate businesses or individuals in an effort to obscure the nature of the malicious traffic.
Administrators are advised to implement an intrusion prevention system (IPS) or intrusion detection system (IDS) to help detect and prevent attacks that attempt to exploit this vulnerability.
Reports indicate that Advanced Persistent Threat (APT) attackers have been observed to use self-signed SSL certificates in the wild. Detection or identification of self-signed SSL certificates may be an indicator of malicious activity.
The security vulnerability applies to the following combinations of products.
Security Activity Bulletin
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