Cereal2 · Observed attack

AS273436 UDP flood on 189.38.23.0/24 | 2026-10-12 11:08:09Z

· Event #326977

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
2026-10-12T11:08:09.493Z
Recorded

Recorded 135ms 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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158178.128.223.92188.166.12.843.136.129.13164.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000d7 cb f7 c7 eb 2d 28 3c.....-(<
00000008bd fa c5 f0 73 83 d4 fb....s...
00000010fa ea 53 66 ab 55 08 fe..Sf.U..
000000181f cd 78 4e 2d 59 cb 2d..xN-Y.-

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

SHA-256 of decoded template

9c7c2761f016eba293723293178d36050dab1c6bb86526725307cfcc1f4ab6a3

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
d7cbf7c7eb2d283cbdfac5f07383d4fbfaea5366ab5508fe1fcd784e2d59cb2d

Original bytes (Base64)

ZDdjYmY3YzdlYjJkMjgzY2JkZmFjNWYwNzM4M2Q0ZmJmYWVhNTM2NmFiNTUwOGZlMWZjZDc4NGUyZDU5Y2IyZA==

Other attacks on this network

Within 24 hours of this observation

No other observations within 24 hours.

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.