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Threat Intelligence Briefing: IP 211.90.241.136/32

Summary:

IP address 211.90.241.136/32 was observed to be associated with a range of activities that raised concerns for potential cybersecurity risks. The intelligence gathered provides a comprehensive understanding of this IP's profile, including its historical behavior, relationships, and neighborhood data.

Observation History:

1. Activity Patterns:

- The IP was predominantly active during nighttime hours in Eastern Time, suggesting possible automated operations or attacks targeting less monitored systems.

- Traffic analysis revealed consistent communication with multiple external IP addresses, particularly those located in regions known for hosting cyber threat actors.

2. Service Usage:

- The IP was involved in sending and receiving data packets through common web ports, including HTTP and HTTPS, indicating potential web-based communication or data exfiltration attempts.

Relationships:

1. Associated Domains:

- DNS lookups identified several domains frequently resolved by the IP. Some of these domains were flagged for hosting known phishing and malware distribution sites.

2. Related IPs:

- Network analysis showed that 211.90.241.136/32 had established connections with other IPs within its subnet, which were also noted for suspicious activities, including participation in botnet operations.

Neighborhood Data:

1. Subnet Characteristics:

- The IP resides in a subnet known for hosting a mix of legitimate services and malicious entities, complicating network defense efforts due to the presence of both benign and harmful traffic.

2. Traffic Correlation:

- The IP was part of a larger pattern of traffic that included known command and control (C2) server interactions, suggesting its involvement in coordinated cyber attacks.

Actionable Recommendations:

• Monitoring and Detection:

- Enhance monitoring of traffic originating from and directed to this IP, particularly during its peak activity periods.

- Implement anomaly detection systems to identify and alert on unusual patterns that align with known threat actor behaviors.

• Access Control:

- Apply strict access controls and filtering rules to block or restrict traffic from this IP to prevent potential breaches or data exfiltration.

• Threat Intelligence Sharing:

- Share findings with threat intelligence communities to aid in the identification and mitigation of related threats across networks.

This intelligence briefing provides a factual overview of the activities and associations linked to IP 211.90.241.136/32, enabling SOC analysts to make informed decisions in protecting their networks.

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