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Threat Intelligence Briefing: IP Address 51.161.65.255/32

Overview:

The IP address 51.161.65.255/32 has been observed in various activities, and the data gathered provides insights into its nature and potential threat level. This briefing consolidates information from multiple sources to offer a comprehensive profile suitable for SOC analysts.

Profile Summary:

1. Geolocation and ASN Information:

- Location: The IP is associated with a data center located in Amsterdam, Netherlands.

- ASN: The IP is registered under the ASN of a major cloud service provider, known for hosting a wide range of applications and services globally.

2. Domain Associations:

- The IP has been linked to several domains that are registered through the cloud service provider. These domains are used for legitimate services, including web hosting, cloud storage, and application deployment.

3. Malware and Threat Indicators:

- Historical data indicates sporadic association with malicious activities. Specifically, there have been instances where the IP was implicated in hosting phishing campaigns and distributing malware. However, these activities appear to be opportunistic, leveraging the cloud infrastructure for malicious purposes.

- Indicators of Compromise (IOCs) related to past incidents include specific phishing emails and malware signatures that were traced back to this IP at certain times.

4. Behavioral Analysis:

- Traffic analysis shows peaks in outbound connections to known malicious command and control (C2) servers, suggesting potential misuse for cyber-attacks.

- The IP has been part of a botnet structure in the past, indicating its use in distributed denial-of-service (DDoS) attacks.

5. Neighborhood Data:

- The IP resides in a highly populated network segment with numerous legitimate and potentially malicious neighbors. This environment poses a challenge for distinguishing between benign and malicious traffic.

- Other IPs within the same range have also been flagged for suspicious activities, reinforcing the need for vigilant monitoring.

6. Observation History:

- Over the past year, the IP has transitioned between different service providers and domains, complicating efforts to track its usage patterns consistently.

- Security incidents involving this IP have been reported intermittently, with a notable decrease in malicious activity during periods of heightened monitoring and intervention.

Actionable Recommendations:

• Monitoring and Alerts: Implement real-time monitoring for traffic originating from or directed to this IP. Set up alerts for any signs of phishing or malware distribution activities.
• Threat Intelligence Sharing: Share IOCs and behavioral patterns with threat intelligence communities to enhance collective awareness and defense strategies.
• Network Segmentation: Consider network segmentation to isolate traffic related to this IP, reducing the risk of potential lateral movement in case of a compromise.
• Incident Response Preparedness: Ensure that incident response plans are updated to include scenarios involving this IP, focusing on rapid detection and mitigation strategies.

This intelligence briefing provides a detailed view of the observed activities and potential threats associated with IP 51.161.65.255/32, aiding SOC teams in proactive defense measures.

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