Cereal2 · Observed attack

AS273436 UDP flood on 189.38.22.0/24 | 2026-10-13 03:05:08Z

· Event #327954

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
2026-10-13T03:05:08.088Z
Recorded

Recorded 140ms after observation

Affected network
189.38.22.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6882.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000ed cd f1 7f 89 a9 44 f0......D.
00000008a3 9d d7 a5 4c dd f1 bc....L...
0000001034 9b b2 8c 92 a7 55 5f4.....U_
00000018d6 e1 40 e0 97 49 5c 0c..@..I\.

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

SHA-256 of decoded template

01e6d72f871a3c3deab3e2a05455bfac3dc715e2a9bbfd3d8c129270ef2a7e2c

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
edcdf17f89a944f0a39dd7a54cddf1bc349bb28c92a7555fd6e140e097495c0c

Original bytes (Base64)

ZWRjZGYxN2Y4OWE5NDRmMGEzOWRkN2E1NGNkZGYxYmMzNDliYjI4YzkyYTc1NTVmZDZlMTQwZTA5NzQ5NWMwYw==

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.