Cereal2 · Observed attack

AS28665 UDP flood on 177.136.134.0/24 | 2026-10-10 19:11:30Z

· Event #324489

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
2026-10-10T19:11:30.468Z
Recorded

Recorded 146ms after observation

Affected network
177.136.134.0/24
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
130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.2338.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000e6 ef e8 e2 bc 34 5d b9.....4].
0000000862 22 54 c4 9c 40 28 1db"T..@(.
0000001009 56 41 29 4e f3 cd d9.VA)N...
0000001871 77 72 8f 27 53 98 72qwr.'S.r

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

SHA-256 of decoded template

a0813e4bb61dc9d73fd3734a09e2d6c4b2d83c04ab926d85ab1fe38465862971

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
e6efe8e2bc345db9622254c49c40281d095641294ef3cdd97177728f27539872

Original bytes (Base64)

ZTZlZmU4ZTJiYzM0NWRiOTYyMjI1NGM0OWM0MDI4MWQwOTU2NDEyOTRlZjNjZGQ5NzE3NzcyOGYyNzUzOTg3Mg==

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.