Report for IP: 191.7.26.153

Threat LevelCRITICAL72/1003 rule types across 2 attack categories
7 incidents on record · 3 rule types · active attack detected · active over 3 days · last seen 22d ago
PTR N/A
Org / ASN Ntweb Solucoes EM Internet Ltda ME
Country 🇧🇷 Brazil
City Brasília, Federal District
Timezone America/Sao_Paulo

Attack Analysis

🇧🇷 Brazil · São Paulo · 263308 · NTWEB SOLUCOES EM INTERNET LTDA ME
SSH: Login Attempt — Non-Existent User
This IP attempted to authenticate via SSH using a username that does not exist on the system. This is characteristic of automated credential-stuffing attacks cycling through common username wordlists (admin, root, ubuntu, pi, etc.).
SSH: Invalid User Flood
This IP attempted SSH logins using 5 or more invalid usernames within 2 minutes — a credential-stuffing attack cycling through common account names (admin, root, ubuntu, deploy, pi). This indicates an automated tool probing for default or common accounts.
Suricata IDS Alert
Suricata intrusion detection flagged this IP for malicious network behaviour — including port scanning, exploit attempts, botnet activity, or known attack signatures. The specific signature is shown in the report list below.

Reports (7)

Date Severity Description
10 Jul 2026 - 11:22 medium IDS: Suricata alert — Honeypot: probe to closed SSH port 22
7 Jul 2026 - 22:19 medium SSH: Login attempt using non-existent user
7 Jul 2026 - 22:13 high SSH: Invalid user flood — 5+ attempts in 120s
7 Jul 2026 - 22:13 medium SSH: Login attempt using non-existent user
7 Jul 2026 - 22:11 medium SSH: Login attempt using non-existent user
7 Jul 2026 - 22:01 medium SSH: Login attempt using non-existent user
7 Jul 2026 - 21:39 high SSH: Login attempt using non-existent user