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Threat Intelligence Briefing: IP Address 167.71.208.60/32

Overview:

The IP address 167.71.208.60/32 was observed in multiple contexts, with a focus on its potential associations and historical activity. The analysis leveraged a combination of passive DNS, historical reputation data, and network behavior analytics to provide a comprehensive profile.

Historical Reputation and Activity:

1. Reputation Data: The IP address was flagged in several security feeds as being associated with known malicious activity. Reports indicated its involvement in distributing malware and phishing campaigns, particularly in the past two years.

2. Passive DNS Analysis: Historical passive DNS data revealed frequent changes in associated domain names, suggesting the use of fast-flux techniques to evade detection. The domains linked to this IP were often short-lived, further supporting this tactic.

3. Network Behavior: Network traffic analysis showed irregular patterns, including spikes in outbound traffic during non-standard hours, which are indicative of data exfiltration attempts.

Relationships and Connections:

1. Associated Domains: Analysis of the domains associated with this IP identified several that were used for phishing campaigns. These domains mimicked legitimate business sites, targeting users with fraudulent emails to extract sensitive information.

2. Peer Networks: The IP address was observed communicating with other known malicious IPs, forming a network of addresses that share similar behaviors and activities. This network is indicative of a botnet or a coordinated threat actor group.

3. Geolocation: The IP was geolocated to a data center in the United States. The use of data centers for hosting malicious infrastructure is common, allowing threat actors to mask their true location.

Neighborhood Data:

1. Subnet Analysis: The subnet analysis revealed that 167.71.208.60/32 is part of a larger block managed by a cloud service provider. This suggests that the IP could be dynamically assigned, complicating attribution efforts.

2. Co-hosted Entities: Co-hosted on the same subnet were several legitimate services, which could be leveraged by threat actors to blend malicious activity with legitimate traffic, making detection more challenging.

Actionable Recommendations:

1. Monitoring and Alerts: Implement enhanced monitoring for traffic originating from or directed to 167.71.208.60/32. Set up alerts for any communication with known malicious IPs or unusual traffic patterns.

2. Phishing Awareness: Increase phishing awareness training for users, focusing on the latest tactics observed in domains associated with this IP.

3. Network Segmentation: Consider network segmentation to limit potential lateral movement if this IP is detected within the internal network.

4. Threat Intelligence Sharing: Share findings with relevant threat intelligence communities to aid in broader detection and mitigation efforts against this IP's activities.

This briefing provides a detailed overview of the threat landscape associated with IP 167.71.208.60/32, enabling SOC analysts to make informed decisions in defending their networks.

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