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habrahabr.ru Domain Breach Exposure Report

Risk Score

Medium Risk

Moderate exposure in standard leak repositories.

AI Findings Summary

Elevated

The telemetry indicates a significant exposure event affecting 513 clients and 4 employees of habrahabr.ru, primarily driven by 388 historical data breaches and 129 active infostealer logs over the period of July 2025 to June 2026. The data breaches are predominantly sourced from combolist repositories, suggesting credential stuffing or account takeover risks. Infostealer activity is linked to malware families such as Redline, Rhadamanthys, and LummaC2, which are known to exfiltrate sensitive information like credentials and financial data. The targeted services include login endpoints for habrahabr.ru and its authentication services, highlighting a direct risk to user accounts and potentially associated data.

Total Events

517
credential exposure events

Employee Affected Events

4
account email domain = habrahabr.ru

Client Affected Events

513
service target = habrahabr.ru

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
10067330
peak month 95
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events129
Share25%
Data breaches
Events388
Share75%
Infostealer logs (25%)
129events
Data breaches (75%)
388events

4 compromised employee accounts pose an infrastructure risk, while 513 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

No Data Available

Malware Families Distribution

Distribution of Active Stealer Strains

Redline23
Rhadamanthys20
LummaC213
Acreed10
Vidar3
RisePro2
StealC1

Top Login URLs

Top exposed services found in the event results

  1. 1android://iWSRzg0DhMSa-NZe6SH7ccaOKoAg8tS0_R2AQ4LYvBalR-GGBKY3K5Iceidb9UIr-cMGR2MV6KQXWr21MKceBQ==@ru.habrahabr/106
  2. 2https://auth.habrahabr.ru/login/44
  3. 3habrahabr.ru36
  4. 4http://habrahabr.ru/login/30
  5. 5https://habrahabr.ru29
  6. 6habrahabr.ru/login27
  7. 7https://auth.habrahabr.ru27
  8. 8auth.habrahabr.ru/login/26
  9. 9https://habrahabr.ru/login/25
  10. 10auth.habrahabr.ru22

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.

United States
Events15
Poland
Events9
Lithuania
Events8
United Kingdom
Events4
Russia
Events3
Netherlands
Events3

Country Breakdown

  1. 1United States15
  2. 2Poland9
  3. 3Lithuania8
  4. 4Armenia5
  5. 5United Kingdom4
  6. 6Georgia4
  7. 7Russia3
  8. 8Netherlands3

Services Classification Distribution

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

-
Total

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11 (Build 26200) (64 Bit)26
Windows 1110
Windows 11 24H2 build 26100 (64 Bit)6
Windows 10 Enterprise x645
Windows 10 Enterprise N x642

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
388
Combolist pools
0
Unattributed dumps

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