Report for IP: 183.131.24.109

Threat LevelMEDIUM45/1001 rule type
1 incident on record · active attack detected · last seen 33d ago
PTR N/A
Org / ASN HangZhou Woodnn Technology Co., Ltd.
Country 🇨🇳 China
City Hangzhou, Zhejiang
Timezone Asia/Shanghai

Attack Analysis

🇨🇳 China · Hangzhou · 4134 · Hangzhou Woodnn Technology Co., Ltd.
Slow SSH Preauth Scan
This IP repeatedly connected to SSH, collected the server banner and host key, then disconnected before authenticating — multiple times over 30 minutes. This slow scan pattern maps SSH versions and keys while staying below rate-limit thresholds. It is used exclusively by botnet scanners preparing for brute-force attacks.

Reports (1)

Date Severity Description
29 Jun 2026 - 12:18 high SSH: Slow preauth scan — 5+ disconnects in 30 min