IP Address: 211.21.100.172Previously Malicious

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IP Address:
211.21.100.172​
Previously Malicious

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

Threat Information

Role

Attacker

Services Targeted

SSH

Tags

DNS Query Bulk Files Tampering Successful SSH Login SSH Brute Force Outgoing Connection Download Operation Brute Force Download and Allow Execution Superuser Operation Successful Login Download and Execute

Connect Back Servers

github.com github-production-release-asset-2e65be.s3.amazonaws.com gitee.com

120.55.226.24 192.30.253.112 52.216.130.59

Basic Information

IP Address

211.21.100.172

Domain

-

ISP

HiNet

Country

Taiwan, Province of China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Guardicore Centra

2018-08-19

Last seen in Guardicore Centra

2018-08-20

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 (Part of a Brute Force Attempt)

Successful SSH Login SSH Brute Force

A user logged in using SSH with the following credentials: root / ****** - Authentication policy: Correct Password (Part of a Brute Force Attempt) 12 times

Successful SSH Login SSH Brute Force

A possibly malicious Download Operation was detected 2 times

Download Operation Superuser Operation

Process /usr/bin/wget attempted to access domains: github.com and github-production-release-asset-2e65be.s3.amazonaws.com

DNS Query

Process /usr/bin/wget generated outgoing network traffic to: 192.30.253.112:443 and 52.216.130.59:443

Outgoing Connection

A possibly malicious Superuser Operation was detected 4 times

Download Operation Superuser Operation

Process /usr/lib/git-core/git-remote-http attempted to access domains: gitee.com

DNS Query

Process /usr/lib/git-core/git-remote-http generated outgoing network traffic to: 120.55.226.24:443

Outgoing Connection

The file /root/xrig was downloaded and granted execution privileges

Download and Allow Execution

The file /root/zz/upcheck.sh was downloaded and granted execution privileges

Download and Allow Execution

The file /root/zz/xrig was downloaded and granted execution privileges

Download and Allow Execution

The file /root/zz/arm was downloaded and granted execution privileges

Download and Allow Execution

The file /root/zz/386 was downloaded and executed

Download and Execute

Connection was closed due to timeout

Process /usr/bin/git performed bulk changes in {/} on 44 files

Bulk Files Tampering

Process /usr/lib/git-core/git performed bulk changes in {/root/zz/.git/objects} on 63 files

Bulk Files Tampering

Associated Files

/root/zz/.git/config

SHA256: 3fcc3a7ff5b8273d86f9cff108bb48a7449601f70a4a4d0e19d89411aa812f85

36 bytes

/root/zz/.git/config.lock

SHA256: 3fcc3a7ff5b8273d86f9cff108bb48a7449601f70a4a4d0e19d89411aa812f85

36 bytes

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IP Address: 211.21.100.172​Previously Malicious