IP Address: Malicious

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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



SMB Successful SMB Login SMB Null Session Login Service Start Service Stop Outgoing Connection Port 53 Scan DNS Query Service Creation Listening MSRPC SMB Share Connect HTTP Download and Execute Service Deletion Download File Persistency - Logon

Connect Back Servers

bezeqint.net alt2.gmail-smtp-in.l.google.com gmail-smtp-in.l.google.com gmail.com alt3.gmail-smtp-in.l.google.com alt1.gmail-smtp-in.l.google.com alt4.gmail-smtp-in.l.google.com

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 20150811-111413 with the following username: administrator - Authentication policy: Reached Max Attempts

Successful SMB Login

c:\windows\system32\services.exe installed and started c:\windows\isass.exe as a service named wgautr under service group None

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 ports: 53


Process c:\windows\isass.exe generated outgoing network traffic to:,,,,,,,,, and

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 scanned port 53 on 10 IP Addresses

Port 53 Scan

Service wgautr was stopped

Service Stop

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IP Address:​Previously Malicious