Cereal2 · Observed attack

AS28665 UDP flood on 177.136.143.0/24 | 2026-10-10 20:59:50Z

· Event #324633

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
2026-10-10T20:59:50.400Z
Recorded

Recorded 138ms after observation

Affected network
177.136.143.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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 52 ea 57 7b 1b c1 34JR.W{..4
0000000855 c4 94 cc a2 bf b7 90U.......
0000001003 fe c9 21 50 d7 91 f1...!P...
00000018dd 87 54 8b b3 42 61 bf..T..Ba.

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

SHA-256 of decoded template

3a97739587ebd5f8f7e536b5a463f5654f39853cfa7305e612378dbf57483931

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
4a52ea577b1bc13455c494cca2bfb79003fec92150d791f1dd87548bb34261bf

Original bytes (Base64)

NGE1MmVhNTc3YjFiYzEzNDU1YzQ5NGNjYTJiZmI3OTAwM2ZlYzkyMTUwZDc5MWYxZGQ4NzU0OGJiMzQyNjFiZg==

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.