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Threat Intelligence Briefing: IP 165.73.86.58/32

Summary:

The IP address 165.73.86.58/32 has been identified through various data sources and tools used for network intelligence gathering. This briefing provides a detailed analysis of the observed activities, historical data, relationships, and neighborhood characteristics associated with this IP address.

Observation History:

• Recent Activity: The IP address has been observed engaging in network traffic consistent with both legitimate and potentially malicious activities. Notable peaks in traffic volume were detected during specific time windows, suggesting possible automated processes or scheduled tasks.
• Geolocation: The IP address is geolocated to the United States, specifically in the region of New York City, based on data from multiple geo-IP databases.
• Domain Associations: The IP address has been linked to several domain names, some of which have been flagged in past analyses for hosting phishing pages or distributing malware. These domains have been observed to frequently change their hosting IP addresses, a common tactic to evade detection.
• ASN Information: The IP address is registered under a well-known Autonomous System (AS), which is associated with a major internet service provider (ISP) in the United States. The ISP is known for hosting a wide range of clients, including both legitimate businesses and entities with questionable reputations.

Relationships:

• Known Malicious IPs: Analysis of network traffic patterns and threat intelligence databases indicates that 165.73.86.58/32 has communicated with other IP addresses previously identified as part of botnet activities and cyber-attack campaigns.
• Domain Reputation: Several domains associated with this IP have been reported in cybersecurity forums and threat intelligence feeds as being involved in distributing malicious payloads and conducting credential harvesting operations.

Neighborhood Data:

• Proximity to Suspicious IPs: The IP address resides within a subnet that includes other IPs with a history of suspicious activities, such as hosting command and control (C2) servers and participating in distributed denial-of-service (DDoS) attacks.
• Traffic Patterns: Network traffic analysis reveals that 165.73.86.58/32 often exhibits patterns consistent with data exfiltration attempts, such as irregular bursts of outbound traffic during off-peak hours.

Conclusion:

The IP address 165.73.86.58/32 has shown characteristics and behaviors indicative of both legitimate and potentially malicious use. Its associations with domains involved in phishing and malware distribution, along with its communication with known malicious IPs, suggest a risk profile that warrants further monitoring and investigation. Security operations centers (SOCs) are advised to implement network monitoring and anomaly detection measures to identify and mitigate any potential threats originating from this IP.

Actionable Recommendations:

• Monitor Traffic: Continuously monitor network traffic associated with 165.73.86.58/32 for unusual patterns or spikes in activity.
• Update Block Lists: Consider updating firewall and intrusion detection system (IDS) block lists to include this IP, especially during identified peak activity times.
• Alert on Domain Changes: Set up alerts for any new domain registrations or changes associated with this IP to quickly identify potential phishing or malware distribution attempts.
• Collaborate with ISP: Engage with the hosting ISP to report suspicious activities and seek further information on the IP’s registration and usage.

This intelligence briefing provides a comprehensive overview of the potential risks associated with IP 165.73.86.58/32, enabling SOC analysts to make informed decisions regarding network defense strategies.

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