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Subnet 45.156.87.0/24

SUBNET Active high

Why this campaign was detected

4 IPs from the same /24 subnet (45.156.87.0/24) were observed attacking our sensors within the same time window. All belong to Pfcloud UG (haftungsbeschrankt) (AS197170). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.

Primary ASN

AS197170 · Pfcloud UG (haftungsbeschrankt)

Subnet

45.156.87.0/24

Country

🇳🇱 NL

Cloud Provider

—

Member Count

4 IPs

Below average

Total Events

1352

Below average by volume

Started / Ended

2026-04-19 06:21 — 2026-10-09 01:00

Attack Types

http:scan ssh:bruteforce ssh:connection telnet:bruteforce telnet:connection telnet:credential-reuse telnet:intrusion telnet:malware

MITRE ATT&CK Techniques

Reconnaissance

T1595 T1595.001 T1595.002

Initial Access

T1078 T1190

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
45.156.87.19	interactive_operator	79%	DROP	50	3	http:scantelnet:connectiontelnet:intrusion	—	2026-10-18 21:56	evidence →
45.156.87.243	malware_dropper	64%	DROP	1268	1	telnet:bruteforcetelnet:credential-reusetelnet:intrusiontelnet:malware	—	2026-10-19 06:26	evidence →
45.156.87.214	web_probe	32%	DROP	2	2	http:scan	—	2026-10-17 08:15	evidence →
45.156.87.65	credential_harvester	31%	DROP1x OSINT	32	1	ssh:bruteforcessh:connectiontelnet:bruteforcetelnet:connection	Moviper2.wildservers.ru	2026-10-13 08:04	evidence →

VPN Known VPN or proxy provider

DROP ASN on Spamhaus DROP list

Nx OSINT Corroborated by N external threat feeds