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AS26599 TELEFONICA BRASIL S.A

ASN Ended medium
Why this campaign was detected
5 IPs from the same network (TELEFONICA BRASIL S.A, AS26599) were active during overlapping time periods. Temporal correlation across a shared autonomous system suggests infrastructure controlled by the same entity.
Primary ASN
AS26599 · TELEFONICA BRASIL S.A
Subnet
Country
🇧🇷 BR
Cloud Provider
Member Count
5 IPs
Below average
Total Events
64
Below average by volume
Started / Ended
2026-02-22 20:31 — 2026-04-22 02:52
Attack Types
ssh:bruteforce
MITRE ATT&CK Techniques
Initial Access
Credential Access
Command and Control
Member Actors
IP Address Behavior Confidence Flags Events Agents Attack Types Hostname Last Seen
177.172.4.218 malware_dropper 36% 23 1 ssh:bruteforce 177-172-4-218.user.vivozap.com.br 2026-02-28 08:00 evidence →
177.174.95.245 credential_harvester 33% 41 1 ssh:bruteforce 177-174-95-245.user.vivozap.com.br 2026-03-16 02:47 evidence →
177.174.106.155 proxy_abuser 31% 11 1 ssh:bruteforce 177-174-106-155.user.vivozap.com.br 2026-03-01 12:41 evidence →
177.174.0.3 credential_probe 19% 1x OSINT 26 1 ssh:bruteforce 177-174-0-3.user.vivozap.com.br 2026-03-16 02:42 evidence →
177.174.105.113 credential_probe 13% 20 1 ssh:bruteforce 177-174-105-113.user.vivozap.com.br 2026-03-06 12:19 evidence →
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds
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