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Threat Intelligence Briefing: IP 47.203.27.19/32

Observation Summary:

The IP address 47.203.27.19/32 was observed in various contexts across multiple tools and datasets. Analysis revealed significant activity patterns and associations that merit attention from SOC analysts.

Activity Patterns and Historical Observations:

1. Network Traffic Patterns:

- The IP address was frequently involved in high-volume outbound traffic to a range of external IP addresses, indicative of potential data exfiltration activities.

- There were notable spikes in traffic during off-hours, suggesting automated or scheduled activity.

2. Domain Associations:

- The IP was linked to several domains known for hosting phishing sites and malware distribution. These domains exhibited rapid changes in registration details and content, consistent with malicious intent.

- DNS queries from this IP targeted both legitimate and suspicious domains, indicating potential reconnaissance or command and control (C2) activity.

3. Malware and Threat Intelligence Correlation:

- The IP address appeared in multiple threat intelligence databases as being associated with known malware families, specifically those related to botnet activity.

- Previous reports identified the IP as part of a botnet infrastructure, often used to distribute ransomware.

Relationships and Network Neighborhood:

1. Peering and Proximity:

- The IP was part of a subnet with other IPs exhibiting similar suspicious behaviors. These IPs shared common characteristics such as geographic location and similar traffic patterns.

- The subnet was registered to an organization with a history of cybersecurity incidents, raising the likelihood of compromised infrastructure.

2. Service and Application Usage:

- Analysis of service banners revealed the use of common web server software, often exploited by attackers to deliver malicious payloads.

- The IP was observed hosting applications that are frequently targeted for exploitation, such as outdated versions of web applications.

Actionable Insights:

• Monitoring and Detection:

- Enhance monitoring of outbound traffic from this IP to identify potential data exfiltration attempts.

- Implement advanced DNS filtering to block known malicious domains associated with this IP.

• Incident Response:

- Prepare to isolate and investigate any systems communicating with this IP, especially during observed traffic spikes.

- Review logs for signs of command and control activity or unauthorized access attempts.

• Preventive Measures:

- Update and patch web applications to mitigate risks from known vulnerabilities exploited by IPs in this neighborhood.

- Conduct regular security audits of network infrastructure to detect and remediate potential compromises.

This intelligence briefing provides SOC analysts with a comprehensive understanding of the risks associated with IP 47.203.27.19/32, enabling informed decision-making to protect network assets.

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