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Subnet 123.58.213.0/24
SUBNET Ended highWhy this campaign was detected
3 IPs from the same /24 subnet (123.58.213.0/24) were observed attacking our sensors within the same time window. All belong to UCLOUD INFORMATION TECHNOLOGY HK LIMITED (AS135377). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS135377 · UCLOUD INFORMATION TECHNOLOGY HK LIMITED
Subnet
123.58.213.0/24
Country
🇭🇰 HK
Cloud Provider
—
Member Count
3 IPs
Below average
Total Events
508
Below average by volume
Started / Ended
2026-03-06 09:48 — 2026-05-17 15:17
Attack Types
MITRE ATT&CK Techniques
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 123.58.213.128 | credential_harvester | 71% | 1x OSINT | 1507 | 3 | ssh:bruteforce | — | 2026-08-07 04:02 | evidence → |
| 123.58.213.127 | credential_harvester | 50% | 389 | 2 | ssh:bruteforce | — | 2026-03-25 13:53 | evidence → | |
| 123.58.213.160 | malware_dropper | 36% | 23 | 1 | ssh:bruteforce | — | 2026-03-29 20:28 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds