51.103.133.91📋 Copy

Threat Intelligence Briefing: IP 51.103.133.91/32

Summary:

The IP address 51.103.133.91/32 was observed in various network activities. The analysis utilized multiple data sources to compile a comprehensive profile of this IP, focusing on its observation history, relationships, and neighborhood data.

Observation History:

1. Activity Patterns:

- The IP address was noted for initiating connections to several external servers, primarily during late-night hours based on UTC time zones.

- There was a consistent pattern of data exfiltration attempts, which involved large file transfers to external destinations.

2. Domain Associations:

- The IP was linked to multiple domains, some of which were registered with incomplete contact information, suggesting potential anonymity.

- Several domains were flagged for hosting phishing content, with web traffic analysis indicating redirection attempts to known malicious sites.

3. Geolocation and ASN:

- The IP was geolocated to a data center in the United States, under a major hosting provider.

- The Autonomous System Number (ASN) associated with this IP is linked to a global network provider, known for hosting a wide range of services, from legitimate businesses to questionable entities.

Relationships:

1. Network Connections:

- The IP was observed communicating with several other IPs within the same ASN, some of which were also flagged for suspicious activities, including malware distribution and command-and-control operations.

2. Botnet Activity:

- There were indicators that this IP might be part of a botnet infrastructure, given its repeated interactions with known malicious IPs and its role in facilitating data exfiltration.

Neighborhood Data:

1. Proximity Analysis:

- Nearby IP addresses within the same subnet exhibited similar patterns of suspicious behavior, such as irregular traffic spikes and connections to known malicious hosts.

2. Infrastructure Sharing:

- The IP shared infrastructure with other entities that have been previously identified in cybersecurity threat reports, suggesting a possible overlap in malicious actor activities.

Actionable Recommendations:

• Monitoring and Blocking: Implement continuous monitoring of traffic originating from and destined to this IP. Consider blocking or rate-limiting connections based on observed threat patterns.
• Incident Response: Prepare for potential incident response actions, including investigation of any internal systems that have communicated with this IP.
• Threat Hunting: Engage in proactive threat hunting to identify any lateral movement or data exfiltration attempts originating from this IP.
• Collaboration: Share findings with relevant cybersecurity communities to enhance collective awareness and response strategies.

This intelligence briefing provides a factual and concise overview of the observed activities and potential threats associated with IP 51.103.133.91/32, aiding SOC teams in making informed security decisions.

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