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Subnet 27.79.1.0/24

SUBNET Active high

Why this campaign was detected

3 IPs from the same /24 subnet (27.79.1.0/24) were observed attacking our sensors within the same time window. All belong to Viettel Group (AS7552). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.

Primary ASN

AS7552 · Viettel Group

Subnet

27.79.1.0/24

Country

🇻🇳 VN

Cloud Provider

—

Member Count

3 IPs

Below average

Total Events

427

Below average by volume

Started / Ended

2026-05-03 01:18 — 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

T1090 T1572

Member Actors

IP Address	Behavior	Confidence	Flags	Events	Agents	Attack Types	Hostname	Last Seen
27.79.1.69	credential_harvester	53%	1x OSINT	185	1	ssh:bruteforce	—	2026-05-08 18:16	evidence →
27.79.1.152	credential_harvester	47%		163	2	ssh:bruteforce	—	2026-05-03 04:15	evidence →
27.79.1.113	credential_harvester	36%		79	1	ssh:bruteforce	—	2026-05-03 01:31	evidence →

VPN Known VPN or proxy provider

DROP ASN on Spamhaus DROP list

Nx OSINT Corroborated by N external threat feeds