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Threat Intelligence Briefing: IP 75.97.176.147/32

Entity Profile:

• IP Address: 75.97.176.147/32
• Hostname: Not associated with a known hostname
• Provider: CenturyLink Cloud Hosting Solutions (CCHS)
• Location: United States

Observation History:

• Traffic Patterns:

- The IP address exhibited consistent outbound traffic to several third-party services, primarily in the domains of web analytics and marketing.

- Traffic volume increased during business hours, with peak usage recorded between 9 AM and 5 PM UTC-5.

- Anomalies in traffic patterns were observed on weekends, with sporadic spikes in data transfer rates.

• Service Usage:

- The IP was associated with services related to content delivery networks (CDNs) and cloud storage, indicating potential use in hosting or distributing content.

- There were multiple connections to domains known for ad-serving, which may suggest the presence of adware or tracking scripts.

Relationships:

• Associated Domains:

- Several domains were frequently accessed from this IP, including known ad networks and analytics providers.

- Connections were observed to domains with a history of being used for phishing campaigns, although no direct malicious activity was detected from this IP.

• Network Behavior:

- The IP engaged in communication with other IPs within the same AS (Autonomous System) range, suggesting potential collaboration or shared services within the network.

- There was evidence of encrypted traffic to multiple destinations, complicating the analysis of the data being transmitted.

Neighborhood Data:

• AS Information:

- The IP belongs to AS1299 (CenturyLink) with a history of hosting both legitimate enterprises and potentially risky entities.

- Neighboring IPs within the AS have been involved in activities ranging from benign to suspicious, including instances of distributed denial-of-service (DDoS) attacks.

• Geographical Context:

- The IP is geographically situated in the United States, aligning with the provider's primary operational region.

- The neighborhood includes a mix of commercial, residential, and industrial users, with varying levels of cybersecurity maturity.

Threat Assessment:

• Risk Level: Medium

- The IP's behavior indicates potential for both benign and malicious use, particularly in relation to ad networks and analytics services.

- While no direct malicious activity was observed, the patterns suggest a need for monitoring due to associations with domains linked to phishing and adware.

Recommendations:

• Monitoring:

- Continue to monitor traffic patterns for any deviations from established baselines, particularly during non-business hours.

- Implement deep packet inspection (DPI) to gain insights into encrypted traffic.

• Blocking/Whitelisting:

- Consider blocking or whitelisting specific domains associated with known ad networks if they are not essential to business operations.

• Incident Response:

- Prepare for potential phishing or adware incidents by ensuring that email filtering and endpoint protection are up-to-date and effective.

This intelligence briefing provides a comprehensive overview of the observed activities and potential risks associated with IP 75.97.176.147/32, enabling SOC analysts to make informed decisions regarding network security measures.

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