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Threat Intelligence Briefing: IP 113.212.70.207/32

Overview:

The IP address 113.212.70.207/32 is associated with a range of network activities that have been observed and documented over time. This report compiles intelligence gathered from various cybersecurity tools, offering a detailed profile of the IP address, its historical behavior, relationships with other IPs, and neighborhood data.

Observation History:

1. Geolocation: The IP address is geolocated to Beijing, China. This geographic positioning is consistent with other observations and aligns with the regional data reported by multiple geolocation services.

2. ASN Information: The IP is registered under the China Education and Research Network (CERNET), which primarily serves educational and research institutions. This aligns with the IP's geographic origin but requires further scrutiny due to potential misuse by malicious actors exploiting legitimate infrastructure.

3. Behavioral Patterns: The IP has exhibited behaviors commonly associated with command and control (C2) traffic. It has been observed to periodically initiate outbound connections to a set of dynamically changing domains. These domains are often associated with hosting services known for their anonymity and minimal logging policies, which are sometimes leveraged by threat actors.

4. Malware Associations: Historical data indicates that 113.212.70.207/32 has been linked to malware campaigns. Specifically, it has been implicated in distributing Trojans and remote access tools (RATs) that target enterprise environments. The malware strains associated with this IP have demonstrated capabilities for data exfiltration and remote system manipulation.

5. Threat Intelligence Feeds: Various threat intelligence feeds have flagged this IP as part of a botnet infrastructure. The botnet activities include participation in distributed denial-of-service (DDoS) attacks, leveraging the compromised devices to overwhelm target systems with traffic.

Relationships:

1. Peer Analysis: Analysis of related IPs within the same subnet shows a cluster of addresses that exhibit similar malicious behaviors. These IPs have been observed communicating with one another, suggesting a coordinated effort or shared infrastructure.

2. Domain Relationships: The IP has been associated with multiple domains that frequently change their hostnames and IP addresses. This domain hopping is a tactic often used to evade detection and maintain persistence in a target network.

Neighborhood Data:

1. Subnet Activity: The subnet containing 113.212.70.207/32 has been noted for hosting a mix of legitimate and suspicious activities. While a significant portion of the subnet is utilized by educational institutions, a subset of IPs within the same range has been implicated in malicious campaigns.

2. Traffic Patterns: Network traffic analysis indicates that the IP and its neighboring addresses generate a high volume of encrypted traffic, often directed towards known C2 infrastructure. This pattern is consistent with attempts to conceal malicious activities from network monitoring tools.

Actionable Intelligence:

• Monitoring and Blocking: SOC teams should consider implementing network monitoring rules to detect and block traffic originating from or destined to 113.212.70.207/32. Given its history, this IP is a high-risk entity that warrants close observation.

• Malware Indicators: Update intrusion detection systems (IDS) and antivirus solutions with indicators of compromise (IOCs) related to the malware strains previously associated with this IP. This includes signatures for known Trojans and RATs linked to the observed campaigns.

• Domain Reputation: Maintain an updated list of domains associated with this IP and monitor for any new domains that emerge. Implement reputation-based filtering to preemptively block communications with these domains.

• Collaboration: Engage with threat intelligence communities to share insights and gather additional context about this IP's activities. Collaborative efforts can enhance the understanding of its operational tactics and help mitigate its impact.

This intelligence briefing provides a comprehensive overview of the activities associated with IP 113.212.70.207/32, offering actionable insights for SOC teams to enhance their defensive postures.

This summary was generated by AI and may contain inaccuracies. Verify critical details independently.