Cereal2 · Observed attack

AS273436 UDP flood on 189.38.23.0/24 | 2026-10-13 03:07:08Z

· Event #327955

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
2026-10-13T03:07:08.146Z
Recorded

Recorded 457ms after observation

Affected network
189.38.23.0/24
Network operator
PERES TELECOM PROVEDOR DE INTERNET LTDAAS273436
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000049 11 38 61 6b eb 57 cfI.8ak.W.
00000008a2 6c 51 f7 dc eb 1a 39.lQ....9
000000109b 8c b5 57 1e 1c b9 f8...W....
000000180f 23 06 e5 8d be 1b 27.#.....'

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

SHA-256 of decoded template

ae81f12e96b4dad62c615cd61a247ca045580cb4dd0f8f924700402d981f87e3

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
491138616beb57cfa26c51f7dceb1a399b8cb5571e1cb9f80f2306e58dbe1b27

Original bytes (Base64)

NDkxMTM4NjE2YmViNTdjZmEyNmM1MWY3ZGNlYjFhMzk5YjhjYjU1NzFlMWNiOWY4MGYyMzA2ZTU4ZGJlMWIyNw==

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.