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Subnet 42.1.65.0/24

SUBNET Active high

Why this campaign was detected

3 IPs from the same /24 subnet (42.1.65.0/24) were observed attacking our sensors within the same time window. All belong to MOBIFONE Corporation (AS131429). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.

Primary ASN

AS131429 · MOBIFONE Corporation

Subnet

42.1.65.0/24

Country

🇻🇳 VN

Cloud Provider

—

Member Count

3 IPs

Below average

Total Events

2565

Below average by volume

Started / Ended

2026-07-25 19:13 — ongoing

Attack Types

ssh:bruteforce

MITRE ATT&CK Techniques

Reconnaissance

T1595 T1595.002

Initial Access

T1078

Credential Access

T1110 T1110.001

Discovery

T1046

Command and Control

T1105

Member Actors

IP Address	Behavior	Confidence	Flags	Events	Agents	Attack Types	Hostname	Last Seen
42.1.65.123	credential_harvester	71%	1x OSINT	2529	3	ssh:bruteforcessh:connectionssh:malware	—	2026-10-12 08:02	evidence →
42.1.65.89	opportunistic_bruter	63%	1x OSINT	69	2	ssh:bruteforcessh:malware	—	2026-10-18 06:07	evidence →
42.1.65.77	credential_harvester	40%		244	1	ssh:bruteforcessh:malware	—	2026-09-19 05:29	evidence →

VPN Known VPN or proxy provider

DROP ASN on Spamhaus DROP list

Nx OSINT Corroborated by N external threat feeds