IP Address: 121.156.203.3Malicious

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:
121.156.203.3​
Malicious

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

Threat Information

Role

Attacker, Connect-Back, Scanner

Services Targeted

SSH

Tags

41 Shell Commands Port 2222 Scan SSH Listening Port 22 Scan Successful SSH Login Download and Allow Execution Port 1234 Scan Download and Execute

Associated Attack Servers

bbox.fr uscc.net comcastbusiness.net sparkbb.co.nz bahnhof.se spectrum.com ip-198-100-146.net 5-clientes-zap-izzi.mx verizon.net vnpt.vn indosat.com example.com gvt.net.br avonet.cz lightpath.net fluidata.co.uk fastwebnet.it mycomspan.com canl.nc oleane.fr cable.net.co utm.my colocrossing.com amazonaws.com ono.com telecomitalia.it comcast.net ttnet.com.tr myvzw.com beehivebroadband.com

89.105.117.246 121.155.49.93 13.92.247.241 107.172.90.18 148.70.242.55 18.197.172.32 177.135.103.54 50.247.94.90 100.0.197.18 40.77.57.4 183.37.69.11 85.97.131.99 208.77.180.165 50.200.136.67 140.127.211.177 106.75.7.111 217.112.162.10 76.76.248.132 148.70.167.224 103.127.80.9 93.51.63.208 68.84.68.139 136.200.20.108 190.14.221.49 45.249.92.58 85.129.89.162 166.228.119.78 121.201.61.205 50.200.136.114 2.78.61.194

Basic Information

IP Address

121.156.203.3

Domain

-

ISP

Korea Telecom

Country

Korea, Republic of

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2020-01-03

Last seen in Guardicore Centra

2020-07-22

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

A user logged in using SSH with the following credentials: root / **** - Authentication policy: Correct Password 7 times

Successful SSH Login

Process /bin/nc.openbsd scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /tmp/nginx scanned port 1234 on 14 IP Addresses

Port 22 Scan Port 1234 Scan

Process /tmp/nginx scanned port 22 on 14 IP Addresses

Port 22 Scan Port 1234 Scan

Process /tmp/nginx scanned port 1234 on 23 IP Addresses

Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 1234 on 14 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 22 on 14 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 2222 on 14 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 1234 on 23 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 1234 on 23 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /bin/bash scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /bin/nc.openbsd scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /usr/sbin/sshd scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /dev/shm/nginx scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /bin/nc.openbsd scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /usr/sbin/sshd scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /bin/bash scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /dev/shm/ifconfig scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /usr/sbin/sshd scanned port 1234 on 14 IP Addresses

Port 1234 Scan

Process /bin/bash scanned port 1234 on 14 IP Addresses

Port 1234 Scan

The file /tmp/ifconfig was downloaded and executed 6 times

Download and Execute

The file /tmp/nginx was downloaded and executed 14 times

Download and Execute

Process /tmp/nginx scanned port 22 on 23 IP Addresses

Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 22 on 23 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 2222 on 23 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /root/nginx scanned port 22 on 23 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

Process /tmp/nginx started listening on ports: 1234

Listening

The file /root/ifconfig was downloaded and executed 7 times

Download and Execute

The file /root/nginx was downloaded and executed 132 times

Download and Execute

Process /root/nginx started listening on ports: 1234

Listening

Process /root/nginx generated outgoing network traffic to: 100.0.197.18:1234, 106.215.24.70:22, 106.215.24.70:2222, 121.156.203.3:1234, 128.108.10.121:22, 128.251.31.227:22, 13.92.247.241:1234, 13.92.247.241:22, 132.18.136.136:2222, 134.133.54.137:2222, 139.198.191.245:1234, 139.199.163.77:1234, 139.199.163.77:22, 139.90.144.98:22, 139.90.144.98:2222, 140.127.211.177:1234, 15.83.200.188:2222, 150.128.134.56:22, 150.128.134.56:2222, 155.11.157.108:2222, 166.12.116.211:2222, 166.168.111.151:1234, 166.168.111.151:22, 166.255.227.179:1234, 166.255.227.179:22, 173.252.80.100:22, 18.228.244.255:1234, 182.59.160.1:22, 184.224.28.131:22, 184.224.28.131:2222, 185.186.95.178:22, 189.29.102.201:2222, 190.191.42.212:22, 191.48.205.192:2222, 192.29.38.16:2222, 200.125.196.105:22, 209.88.221.59:2222, 211.190.31.17:22, 211.190.31.17:2222, 218.93.239.44:1234, 218.93.239.44:2222, 219.142.98.182:22, 242.108.216.75:22, 242.108.216.75:2222, 246.184.164.55:2222, 250.247.206.42:2222, 28.153.209.54:2222, 33.65.216.186:22, 46.149.50.151:2222, 47.176.139.10:22, 47.176.139.10:2222, 47.91.87.67:1234, 51.75.31.39:1234, 66.15.58.248:22, 70.167.106.118:2222, 80.49.128.129:2222 and 98.231.115.11:22

Process /root/nginx scanned port 2222 on 23 IP Addresses

Port 2222 Scan Port 22 Scan Port 1234 Scan

The file /root/php-fpm was downloaded and executed 10 times

Download and Execute

The file /root/php-fpm was downloaded and executed

Download and Execute

The file /root/php-fpm was downloaded and executed 5 times

Download and Execute

The file /usr/bin/uptime was downloaded and executed

Download and Execute

Connection was closed due to timeout

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

IP Address: 121.156.203.3​Malicious