Cereal2 · Observed attack

AS264491 UDP flood on 131.255.176.0/23 | 2026-10-13 08:13:09Z

· Event #328113

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
2026-10-13T08:13:09.923Z
Recorded

Recorded 237ms after observation

Affected network
131.255.176.0/23
Network operator
Sonik Serviços de Comunicação LTDAAS264491
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
139.59.33.238157.230.127.22159.223.68.251164.90.186.13178.128.223.92188.166.12.8206.189.228.1743.136.129.13143.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000e8 16 ab 41 61 c7 87 47...Aa..G
00000008de d9 73 41 84 fe 0f 36..sA...6
00000010d1 07 e2 7c 7e 12 71 d3...|~.q.
0000001897 af 5f d7 7b 0a b2 c1.._.{...

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

SHA-256 of decoded template

746e62ff40678c84b4964e080cf9613249590493b4eed8586c51bdad103c1a41

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
e816ab4161c78747ded9734184fe0f36d107e27c7e1271d397af5fd77b0ab2c1

Original bytes (Base64)

ZTgxNmFiNDE2MWM3ODc0N2RlZDk3MzQxODRmZTBmMzZkMTA3ZTI3YzdlMTI3MWQzOTdhZjVmZDc3YjBhYjJjMQ==

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.