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AS138152 YISU CLOUD LTD

ASN Active medium

Why this campaign was detected

9 IPs from the same network (YISU CLOUD LTD, AS138152) were active during overlapping time periods. Temporal correlation across a shared autonomous system suggests infrastructure controlled by the same entity.

Primary ASN

AS138152 · YISU CLOUD LTD

Subnet

—

Country

🇭🇰 HK

Cloud Provider

—

Member Count

9 IPs

Below average

Total Events

10891

Below average by volume

Started / Ended

2026-02-21 00:00 — ongoing

Attack Types

ssh:bruteforce ssh:connection ssh:intrusion ssh:malware telnet:bruteforce telnet:connection telnet:intrusion

MITRE ATT&CK Techniques

Reconnaissance

T1595 T1595.001 T1595.002

Initial Access

T1078

Execution

T1059.004

Credential Access

T1110 T1110.001

Discovery

T1016 T1046 T1082

Command and Control

T1105

Member Actors

IP Address	Behavior	Confidence	Flags	Events	Agents	Attack Types	Hostname	Last Seen
156.227.234.198	credential_harvester	84%	2x OSINT	347	4	ssh:bruteforcessh:connectionssh:intrusiontelnet:bruteforcetelnet:connectiontelnet:intrusion	—	2026-10-15 10:52	evidence →
103.144.3.181	credential_harvester	83%	1x OSINT	1327	3	ssh:bruteforcessh:connectionssh:malware	—	2026-10-18 16:01	evidence →
156.232.10.218	credential_harvester	82%	1x OSINT	544	3	ssh:bruteforcessh:malware	—	2026-10-18 16:14	evidence →
103.143.231.24	credential_harvester	80%	1x OSINT	1935	3	ssh:bruteforcessh:connectionssh:malware	—	2026-10-17 01:59	evidence →
103.143.11.150	credential_harvester	79%	1x OSINT	1387	3	ssh:bruteforcessh:connectionssh:intrusionssh:malware	—	2026-10-16 08:33	evidence →
103.143.10.140	credential_harvester	78%	1x OSINT	3047	3	ssh:bruteforcessh:intrusionssh:malware	—	2026-10-15 17:07	evidence →
156.232.13.218	credential_harvester	76%	1x OSINT	943	3	ssh:bruteforcessh:connectionssh:malware	—	2026-10-15 00:16	evidence →
103.143.239.201	credential_harvester	65%	1x OSINT	922	2	ssh:bruteforcessh:connectionssh:malware	—	2026-10-17 00:53	evidence →
156.232.13.246	credential_harvester	58%	1x OSINT	439	2	ssh:bruteforcessh:malware	—	2026-10-14 01:17	evidence →

VPN Known VPN or proxy provider

DROP ASN on Spamhaus DROP list

Nx OSINT Corroborated by N external threat feeds