IP Address:

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:​

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

Threat Information


Attacker, Connect-Back, Scanner

Services Targeted



Download File SCP Access Suspicious Domain Download and Execute Listening 1 Shell Commands SSH Successful SSH Login Outgoing Connection

Associated Attack Servers

riseup.net torauth.de w4gfzjunvynjhpj6.onion.to txtfile.eu startdedicated.de ipredator.se digitalcourage.de ip-5-196-23.eu xs4all.nl noreply.org

Basic Information

IP Address




Martin Prager trading as NbIServ




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 SSH with the following credentials: root / **** - Authentication policy: White List

Successful SSH Login

The file /tmp/stcp was downloaded and executed 8 times

Download and Execute

The file /tmp/tcp was downloaded and executed

Download and Execute

Process /tmp/tcp started listening on ports: 6666


Process /tmp/tcp generated outgoing network traffic to:,,,,,,, and

Outgoing Connection

Process /tmp/tcp attempted to access suspicious domains: txtfile.eu, noreply.org, ip-5-196-23.eu and torauth.de

Access Suspicious Domain Outgoing Connection

Associated Files


SHA256: 98c27ea6ce8602916aa24ae3ecf91af2e8140a986eb38d39a0251c8f2d4b0941

4390176 bytes


SHA256: 364f91b7edc0d2c120ce3bffb4992b3f0c3f3473432ef9dc2cbb9b5d09ab428c

4406080 bytes


SHA256: b1834cb9847ce03f6b087249dccab32cd58022dc9424a6de58c0196dd9c0a49e

6263064 bytes

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

IP Address:​Malicious