Cyber Threat Intelligence

Discover malicious IPs and domains with Akamai Guardicore Segmentation

IP Address: 113.81.211.76Previously Malicious

IP Address: 113.81.211.76Previously Malicious

This IP address attempted an attack on a machine in our threat sensors network

Threat Information

Role

Attacker, Scanner

Services Targeted

SCP

Tags

Access Suspicious Domain Port 22 Scan Outgoing Connection Download File Download and Execute Successful SSH Login New SSH Key Port 2222 Scan Scheduled Task Creation SSH SCP Download and Allow Execution

Associated Attack Servers

146.in-addr.arpa poneytelecom.eu

23.52.136.10 146.42.26.112 163.172.226.137 165.131.85.59 185.202.130.8 220.54.14.50

Basic Information

IP Address

113.81.211.76

Domain

-

ISP

China Telecom Guangdong

Country

China

WHOIS

Created Date

-

Updated Date

-

Organization

-

First seen in Akamai Guardicore Segmentation

2021-09-05

Last seen in Akamai Guardicore Segmentation

2021-09-07

What is Akamai Guardicore Segmentation
Akamai Guardicore Segmentation 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. Akamai Guardicore Segmentation 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

/usr/.work//31714944_172.18.140.24_sec_event_dict.pkl was downloaded

Download File

/usr/.work//alert_descs.csv was downloaded

Download File

/usr/.work//alert_descs.xlsx was downloaded

Download File

/usr/.work//analysisPath.ipynb was downloaded

Download File

/usr/.work//getGraphData.ipynb was downloaded

Download File

/usr/.work//graphscopeAnalysis.ipynb was downloaded

Download File

/usr/.work//hole_descs.csv was downloaded

Download File

/usr/.work//index.html was downloaded

Download File

/usr/.work//kworkers was downloaded

Download File

/usr/.work//linux_server64 was downloaded

Download File

/usr/.work//networkxAnalysis.ipynb was downloaded

Download File

/usr/.work//nohup.out was downloaded

Download File

/usr/.work//rule_descs.csv was downloaded

Download File

/usr/.work//true_rule_descs.csv was downloaded

Download File

/usr/.work//upx-3.96-amd64_linux.tar.xz was downloaded

Download File

/usr/.work//upx-3.96-arm64_linux.tar.xz was downloaded

Download File

/usr/.work//work64 was downloaded

Download File

The file /usr/.work/work64 was downloaded and executed 64 times

Download and Execute

Process /usr/.work/work64 started listening on ports: 14747, 5353 and 8012

Listening

Executable file /usr/bin/wget1 was modified

Executable File Modification

System file /etc/rc.local was modified

System File Modification

System file /etc/crontab was modified

System File Modification

The file /tmp/xmr was downloaded and executed 3 times

Download and Execute

Process /tmp/xmr attempted to access suspicious domains: poneytelecom.eu and xmr.crypto-pool.fr

DNS Query Access Suspicious Domain Outgoing Connection

Process /tmp/xmr generated outgoing network traffic to: 163.172.226.137:6666

Outgoing Connection

Process /usr/.work/work64 generated outgoing network traffic to: 10.0.0.203:22, 10.0.0.203:2222, 10.0.0.66:22, 10.0.0.66:2222, 100.41.242.161:22, 100.41.242.161:2222, 102.224.228.170:22, 108.61.99.25:22, 108.61.99.25:2222, 128.210.236.164:22, 128.210.236.164:2222, 135.233.114.74:22, 135.233.114.74:2222, 146.178.175.240:22, 146.178.175.240:2222, 146.42.26.112:2002, 146.42.26.112:2022, 146.42.26.112:22, 146.42.26.112:2222, 146.42.26.112:22222, 146.42.26.112:2223, 146.42.26.112:2323, 146.42.26.112:3389, 146.42.26.112:443, 146.42.26.112:55554, 146.42.26.112:6000, 146.42.26.112:666, 146.42.26.112:7777, 146.42.26.112:8022, 146.42.26.112:8888, 146.42.26.112:9000, 146.42.26.112:9090, 146.42.26.112:9999, 15.181.233.78:22, 15.181.233.78:2222, 155.87.26.183:22, 155.87.26.183:2222, 165.131.85.59:2022, 165.131.85.59:22, 165.131.85.59:222, 165.131.85.59:2222, 165.131.85.59:22222, 165.131.85.59:2223, 165.131.85.59:23, 165.131.85.59:2323, 165.131.85.59:2382, 165.131.85.59:26, 165.131.85.59:3389, 165.131.85.59:4118, 165.131.85.59:443, 165.131.85.59:444, 165.131.85.59:50000, 165.131.85.59:5555, 165.131.85.59:55554, 165.131.85.59:6000, 165.131.85.59:666, 165.131.85.59:7777, 165.131.85.59:8022, 165.131.85.59:830, 165.131.85.59:8888, 165.131.85.59:9000, 165.131.85.59:9090, 165.131.85.59:9999, 182.199.78.201:22, 182.199.78.201:2222, 189.33.227.206:22, 191.2.58.17:22, 191.2.58.17:2222, 194.55.117.6:22, 194.55.117.6:2222, 195.6.155.138:22, 195.6.155.138:2222, 20.94.95.109:22, 20.94.95.109:2222, 212.138.2.253:22, 212.138.2.253:2222, 220.54.14.50:2222, 220.54.14.50:3389, 23.52.136.10:2002, 23.52.136.10:2022, 23.52.136.10:222, 23.52.136.10:23, 23.52.136.10:2323, 23.52.136.10:2382, 23.52.136.10:26, 23.52.136.10:4118, 23.52.136.10:444, 23.52.136.10:50000, 23.52.136.10:5555, 23.52.136.10:666, 23.52.136.10:7777, 23.52.136.10:830, 38.138.232.59:22, 38.138.232.59:2222, 42.222.13.180:22, 42.222.13.180:2222, 59.119.196.226:22, 59.119.196.226:2222 and 66.233.206.157:22

Outgoing Connection

Process /usr/.work/work64 scanned port 22 on 23 IP Addresses

Port 22 Scan Port 2222 Scan

Process /usr/.work/work64 scanned port 22 on 21 IP Addresses

Port 22 Scan Port 2222 Scan

Process /usr/.work/work64 scanned port 2222 on 23 IP Addresses

Port 22 Scan Port 2222 Scan

Process /usr/.work/work64 scanned port 2222 on 21 IP Addresses

Port 22 Scan Port 2222 Scan

Process /usr/.work/work64 attempted to access suspicious domains: 146.in-addr.arpa and bbtec.net

DNS Query Access Suspicious Domain Outgoing Connection

Process /usr/.work/work64 attempted to access domains: bttracker.debian.org, dht.transmissionbt.com, router.bittorrent.com and router.utorrent.com

DNS Query

Connection was closed due to timeout

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

New SSH Key