IP Address: 13.71.5.54Previously Malicious

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IP Address:
13.71.5.54​
Previously Malicious

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

Threat Information

Role

Attacker, Scanner

Services Targeted

SSH

Tags

Access Suspicious Domain SSH New SSH Key SSH Brute Force Successful SSH Login Download and Execute Outgoing Connection

Associated Attack Servers

opendns.com amazonaws.com ident.me whatismyipaddress.com icanhazip.com 163data.com.cn akamaitechnologies.com one.one

122.51.80.13 175.24.81.38 117.73.13.151 106.54.0.80 116.202.244.153 176.58.123.25 120.92.104.149 118.24.4.240 101.201.208.164 123.178.246.50 23.55.220.59 123.56.140.42 49.235.86.47 47.111.5.229 106.13.94.51 208.67.222.222 106.52.254.33 129.226.187.176 180.108.64.5 122.51.68.129 182.208.254.179 111.229.129.150 123.57.42.17 68.183.186.25 39.105.208.94 47.102.100.34 101.200.50.114 47.100.57.138 111.231.197.120 129.204.182.138

Basic Information

IP Address

13.71.5.54

Domain

-

ISP

Microsoft Corporation

Country

India

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2020-06-06

Last seen in Guardicore Centra

2020-07-01

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: Reached Max Attempts (Part of a Brute Force Attempt)

Successful SSH Login SSH Brute Force

The file /usr/bin/zrgkru was downloaded and executed 45 times

Download and Execute

Process /usr/bin/zrgkru generated outgoing network traffic to: 1.1.1.1:53, 101.200.50.114:29210, 101.201.208.164:46531, 106.13.189.64:34419, 106.13.94.51:38049, 106.52.129.44:45494, 106.52.254.33:36337, 106.54.0.80:34630, 111.0.97.111:36054, 111.229.129.150:39635, 111.230.251.247:34911, 111.231.197.120:43572, 115.159.220.112:47655, 116.202.244.153:80, 117.73.13.151:45223, 118.190.164.156:37953, 118.24.4.240:42677, 120.92.104.149:28127, 122.51.255.138:44441, 122.51.68.129:42647, 122.51.80.13:42906, 123.178.246.50:10896, 123.56.140.42:46271, 123.57.42.17:43448, 125.78.15.36:34801, 129.204.182.138:39274, 129.226.187.176:38300, 175.24.81.38:34048, 176.58.123.25:80, 180.108.64.5:44619, 182.208.254.179:43536, 208.67.222.222:443, 216.239.32.21:80, 216.239.34.21:80, 218.29.54.177:34759, 23.55.220.59:80, 34.236.80.17:80, 39.104.166.233:45729, 39.105.208.94:37139, 47.100.57.138:42415, 47.102.100.34:45011, 47.105.244.235:39724, 47.111.5.229:39850, 49.234.197.216:40909, 49.235.86.47:45011, 61.32.6.22:39471, 66.171.248.178:80 and 68.183.186.25:8000

Outgoing Connection

Process /usr/bin/zrgkru attempted to access suspicious domains: adsl, icanhazip.com, ident.me and one.one

Access Suspicious Domain Outgoing Connection

Connection was closed due to timeout

An attempt to download /root/.ssh/authorized_keys was made 16 times

New SSH Key

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IP Address: 13.71.5.54​Previously Malicious