Cereal2 · Observed attack

AS28665 UDP flood on 177.136.151.0/24 | 2026-10-14 11:06:04Z

· Event #329554

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
2026-10-14T11:06:04.344Z
Recorded

Recorded 138ms after observation

Affected network
177.136.151.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000057 49 e2 99 a0 ef d7 26WI.....&
0000000858 0e f9 c0 e0 05 3c 5eX.....<^
0000001090 fd cd ca d8 08 5c d7......\.
00000018d3 f8 1e 97 43 1a 00 94....C...

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

SHA-256 of decoded template

1862646133758e885698a0450ef9e1c5c6b1393935ce7187d43254bf41fbe0b0

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
5749e299a0efd726580ef9c0e0053c5e90fdcdcad8085cd7d3f81e97431a0094

Original bytes (Base64)

NTc0OWUyOTlhMGVmZDcyNjU4MGVmOWMwZTAwNTNjNWU5MGZkY2RjYWQ4MDg1Y2Q3ZDNmODFlOTc0MzFhMDA5NA==

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.