IP Address: 121.156.203.3Previously Malicious

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IP Address:
121.156.203.3​
Previously 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

hostwindsdns.com sfr.net spectrum.com uscc.net ss-cloudfront.co ja.net onenet.cw gvt.net.br telecomitalia.it orange-business.com sparkbb.co.nz ttnet.com.tr comcastbusiness.net vnpt.vn verizon.net shadwell.com.pa beehivebroadband.com canl.nc indosat.com kcell.kz brainerd.net amazonaws.com linode.com 5-clientes-zap-izzi.mx myvzw.com example.com 121.201.61.205 lightpath.net thenetworkfactory.nl albacom.net

166.255.227.179 185.46.124.53 183.37.69.11 122.51.48.52 147.235.24.26 148.70.167.224 90.249.196.75 178.212.222.102 208.77.180.165 47.88.244.157 190.14.221.33 141.241.27.254 68.84.68.139 54.64.209.29 5.26.254.49 114.7.145.103 123.57.138.150 23.254.217.214 201.167.107.5 156.155.179.14 190.14.221.49 35.230.34.112 47.91.87.67 121.155.49.93 202.171.76.70 148.77.43.106 162.252.57.102 132.247.210.126 202.28.201.18 145.14.157.171

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 1234 Scan Port 22 Scan

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

Port 1234 Scan Port 22 Scan

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

Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 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 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 Scan

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

Port 2222 Scan Port 1234 Scan Port 22 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 1234 Scan Port 22 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

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IP Address: 121.156.203.3​Previously Malicious