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imooc.com Domain Breach Exposure Report

Risk Score

High Risk

Massive event volume or critical assets compromised.

AI Findings Summary

Critical

The domain imooc.com has experienced a significant number of events, totaling 13,360 over the period from July 2025 to June 2026. The majority of these events are categorized as historical data breaches (11,259) and active infostealer logs (2,101). Notably, there were 112,59 historical data breaches and 2,101 infostealer events, impacting 13,271 clients and 89 employees. The timeline shows a surge in client-related events starting in September 2025 and a notable increase in employee-related events in March, April, and May of 2026. Malware families associated with these events include Rhadamanthys, Redline, and Acreed, all known for their credential-stealing capabilities. The primary targeted services are related to the imooc.com domain itself, including login pages and the main website. Geographically, the majority of events originate from China, followed by Malaysia and Hong Kong SAR China. The leak repository classification indicates that the data breaches are primarily from "Combolist sources."

Total Events

13,360
credential exposure events

Employee Affected Events

89
account email domain = imooc.com

Client Affected Events

13,271
service target = imooc.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
4,0002,6671,3330
peak month 3,439
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events2,101
Share16%
Data breaches
Events11,259
Share84%
Infostealer logs (16%)
2,101events
Data breaches (84%)
11,259events

89 compromised employee accounts pose an infrastructure risk, while 13,271 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender23
Windows Defender.1
Windows Defender Malwarebytes.1

Malware Families Distribution

Distribution of Active Stealer Strains

Rhadamanthys474
Redline403
Acreed237
LummaC2135
Cthulhu45
Millenium32
Vidar30
StealC13
RisePro13

Top Login URLs

Top exposed services found in the event results

  1. 1imooc.com1,173
  2. 2https://www.imooc.com/872
  3. 3https://www.imooc.com855
  4. 4https://imooc.com840
  5. 5www.imooc.com531
  6. 6imooc.com/507
  7. 7www.imooc.com/364
  8. 8https://coding.imooc.com/198
  9. 9http://www.imooc.com/193
  10. 10https://www.imooc.com/user/newlogin178

Infostealer By Geography

Shows the distribution of Infostealer-related credential exposure events across different geographic regions. The location is determined by analyzing the metadata of the infected machines associated with each event.

China
Events987
Malaysia
Events72
United States
Events57
Taiwan
Events37
Canada
Events20
France
Events18
Singapore
Events15

Country Breakdown

  1. 1China987
  2. 2Malaysia72
  3. 3Hong Kong SAR China66
  4. 4United States57
  5. 5Taiwan37
  6. 6Canada20
  7. 7France18
  8. 8Singapore15

Services Classification Distribution

Blast radius - closer to core = more critical infrastructure, size = credential volume

Git51

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11236
Windows 11 24H2 build 26100 (64 Bit)180
Windows 11 (Build 26200) (64 Bit)125
Windows 10 22H2 build 19045 (64 Bit)116
Windows 10 Enterprise x64104

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
11,259
Combolist pools
0
Unattributed dumps

Disclaimer: This report includes AI-generated content. AI can make mistakes, so verify important findings independently before taking action.