IP Address: Malicious

Weekly Summary

Browse or download a weekly review of our cyber threat intelligence data and gain more insight to help protect your network

Top Threats

Cyber Threat Intelligence

Discover Malicious IPs and Domains with Guardicore Cyber Threat Feed

IP Address:​
Previously Malicious

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

Threat Information



Services Targeted



Listening Persistency - Logon SMB Null Session Login MSRPC HTTP Service Creation Download and Execute Outgoing Connection SMB Share Connect Download File Successful SMB Login Access Suspicious Domain SMB DNS Query Service Stop Service Start Service Deletion

Connect Back Servers

bezeqint.net lstn.net hnpt.com.vn nns.ne.jp pldt.net vdrs.net

Basic Information

IP Address






Taiwan, Province of China


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 SMB from MSK-PC with the following username: administrator - Authentication policy: Correct Password

Successful SMB Login

c:\windows\stm8.inf was downloaded

Download File

c:\windows\system32\services.exe installed and started c:\windows\isass.exe as a service named wgautr

Service Start Service Creation

The file c:\windows\isass.exe was downloaded and executed

Download and Execute

Process c:\windows\isass.exe attempted to access domains: alt3.gmail-smtp-in.l.google.com, gmail-smtp-in.l.google.com, alt1.gmail-smtp-in.l.google.com, alt2.gmail-smtp-in.l.google.com, alt4.gmail-smtp-in.l.google.com and gmail.com

DNS Query

Process c:\windows\isass.exe started listening on port 53


Process c:\windows\isass.exe generated outgoing network traffic to:, hnpt.com.vn:53, vdrs.net:443,,, lstn.net:53,,, pldt.net:53, nns.ne.jp:53 and bezeqint.net:25

Outgoing Connection

c:\windows\isass.exe set the command line c:\windows\Isass.exe %1 to run using Persistency - Logon

Persistency - Logon

Process c:\windows\isass.exe attempted to access suspicious domains: pldt.net, vdrs.net and hnpt.com.vn

Access Suspicious Domain

Service wgautr was stopped

Service Stop

Oops! - Do you see your IP here? Contact us at labs@guardicore.com to remove it from the Threat Intelligence data.

IP Address:​Previously Malicious