Elderwood

This is a collection of rules based on the presence of indicators of compromise publicly reported as associated with this malicious actor.

Elderwood is a suspected Chinese-based cyber espionage group that was reportedly responsible for the 2009 Google intrusion Operation Aurora. This group has targeted defense organizations, supply chain manufacturers, human rights and nongovernmental organizations (NGOs), and IT service providers.

The following is a collection of rules based on the presence of indicators of compromise publicly reported as associated with this malicious actor.

• Suspicious DNS Request - Elderwood Related Domain Observed
• Suspicious Process - Elderwood Related Binary Executed
• Suspicious Web Request - Elderwood Related Domain Observed

Suspicious DNS Request - Elderwood Related Domain Observed

Description

This detection identifies a request to resolve a domain publicly known to be associated with this specific malicious actor. Please be aware that malicious actors will often use compromised legitimate websites for malicious purposes.

Recommendation

The alert may be related to normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.

Suspicious Process - Elderwood Related Binary Executed

Description

This detection identifies the execution of a file with a hash publicly known to be associated with this specific malicious actor. Please be aware that malicious actors will often use common System Administration tools for malicious purposes.

Recommendation

Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.

Suspicious Web Request - Elderwood Related Domain Observed

Description

This detection identifies a request to a domain publicly known to be associated with this specific malicious actor. Please be aware that malicious actors will often compromise legitimate websites to use for malicious purposes.

Recommendation

The alert may be related to normal web browsing activity by the end user. Review the alert in question. If necessary, rebuild the host from a known, good source and have the user change their password.