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Subnet 187.34.131.0/24
SUBNET Ended highWhy this campaign was detected
3 IPs from the same /24 subnet (187.34.131.0/24) were observed attacking our sensors within the same time window. All belong to TELEFONICA BRASIL S.A (AS27699). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS27699 · TELEFONICA BRASIL S.A
Subnet
187.34.131.0/24
Country
🇧🇷 BR
Cloud Provider
—
Member Count
3 IPs
Below average
Total Events
453
Below average by volume
Started / Ended
2026-06-09 16:29 — 2026-07-22 17:48
Attack Types
MITRE ATT&CK Techniques
Initial Access
Discovery
Command and Control
Member Actors
| IP Address | Behavior | Confidence | Flags | Events | Agents | Attack Types | Hostname | Last Seen | |
|---|---|---|---|---|---|---|---|---|---|
| 187.34.131.136 | credential_harvester | 50% | 419 | 2 | ssh:bruteforce | — | 2026-07-27 15:22 | evidence → | |
| 187.34.131.129 | credential_harvester | 41% | 365 | 1 | ssh:bruteforce | — | 2026-06-12 12:11 | evidence → | |
| 187.34.131.182 | credential_harvester | 18% | 65 | 1 | ssh:bruteforce | — | 2026-06-09 17:43 | evidence → |
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds