Cereal2 · Observed attack

AS28665 UDP flood on 177.136.149.0/24 | 2026-10-10 21:11:50Z

· Event #324650

WhatsApp

Country-level precision. botnet.cl stores the target country, never a city or coordinates, so the marker sits at the country's center.

What this method does

Cereal2 vector 19: Configurable custom-payload UDP flood.

All Configurable custom-payload UDP flood observations
Observed
2026-10-10T21:11:50.428Z
Recorded

Recorded 146ms after observation

Affected network
177.136.149.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

All controllers with retained sightings of this order. Older records may have incomplete source coverage.

Geolocation data
ipinfo-lite · 2026-09

Snapshot taken at ingestion; it is never re-resolved later.

Payload observed in C2 command

Observed command data; this does not establish what reached the target.

Custom payload · 32 bytes

Decoded template · 32 bytes

OffsetHexadecimalASCII
000000004a c0 ff be 37 34 ea ebJ...74..
00000008d7 49 2d 36 9f 64 c7 25.I-6.d.%
00000010db 95 89 61 bd 9d 5e 35...a..^5
00000018c0 74 76 98 13 8a d5 44.tv....D

8 or 16 bytes per row, depending on screen width. Dots represent non-printable bytes.

SHA-256 of decoded template

4840b73b373345dc9bf74ae838aebdaaa5cbd1f6896e33804712ede9168fffb1

Configured datagram length
1400 bytes
Minimum length option
1000 bytes
Maximum length option
1400 bytes

Length options are command settings, not measured packet sizes. The decoded template can differ from the resulting datagrams.

Original encoded value
4ac0ffbe3734eaebd7492d369f64c725db958961bd9d5e35c0747698138ad544

Original bytes (Base64)

NGFjMGZmYmUzNzM0ZWFlYmQ3NDkyZDM2OWY2NGM3MjVkYjk1ODk2MWJkOWQ1ZTM1YzA3NDc2OTgxMzhhZDU0NA==

Other attacks on this network

Within 24 hours of this observation

Other attacks in this country

Within 24 hours of this observation

botnet.cl reports infrastructure it observed. An address appearing here identifies a target or a relay, not a person responsible for the attack.