IP Address:

Weekly Summary

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Top Threats

Cyber Threat Intelligence

Discover Malicious IPs and Domains with Guardicore Cyber Threat Feed

IP Address:​

This IP address attempted an attack on a machine protected by Guardicore Centra

Threat Information


Attacker, Scanner

Services Targeted



DNS Query Execute from Share Successful RDP Login Service Stop RDP Service Start Morto Service Creation Service Configuration Known Malware Service Deletion Access Suspicious Domain Port 3389 Scan

Associated Attack Servers

flt1.jifr.net ms.jifr.co.cc ss.jifr.net ms.jifr.net dos1.jifr.net ms.jifr.co.be ms.jifr.info

Basic Information

IP Address




China Telecom




Created Date


Updated Date




First seen in Guardicore Centra


Last seen in Guardicore Centra


What is Guardicore Centra
Guardicore Centra is a data center and cloud security solution that protects the organization's core assets, using flexible, quickly deployed and easy to understand micro-segmentation controls. Centra generates in-context security incidents, with details on attacker tools and techniques, that help IR teams prioritize incident investigation and reduce dwell time. Learn More

Attack Flow

A user logged in using RDP with the following credentials: administrator / **** - Authentication policy: White List

Successful RDP Login

a.dll was loaded from the remote share \\tsclient\a by c:\windows\system32\rundll32.exe

Execute from Share

Service Ias was created and started

Service Start Service Creation

Service Ias was stopped

Service Stop

Process c:\windows\temp\ntshrui.dll attempted to access suspicious domains: dos1.jifr.net, flt1.jifr.net, ms.jifr.co.be, ms.jifr.info, ms.jifr.net and ss.jifr.net 11 times

DNS Query Access Suspicious Domain

Process c:\windows\temp\ntshrui.dll generated outgoing network traffic to:,,,,,,,,,,,,,,,,,,, and 11 times

Process c:\windows\temp\ntshrui.dll attempted to access domains: ms.jifr.co.cc 11 times

DNS Query

Process c:\windows\temp\ntshrui.dll scanned port 3389 on 20 IP Addresses 11 times

Port 3389 Scan

Connection was closed due to user inactivity

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IP Address:​Malicious