Cereal2 · Observed attack

AS53107 UDP flood on 177.104.131.0/24 | 2026-10-13 18:37:33Z

· Event #328652

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
2026-10-13T18:37:33.426Z
Recorded

Recorded 319ms after observation

Affected network
177.104.131.0/24
Network operator
EVEO S.A.AS53107
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.15443.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000b7 c1 47 ef 20 54 94 23..G. T.#
00000008fa 29 ad 6e 56 03 ec 71.).nV..q
00000010e0 19 13 64 d5 e3 fa 41...d...A
000000183c 15 98 3b d8 d3 1e 60<..;...`

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

SHA-256 of decoded template

91d91d4cff0ca3c5dabbe4d2a7fcc736595ba251dd820cf0fc99f74143acb49c

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
b7c147ef20549423fa29ad6e5603ec71e0191364d5e3fa413c15983bd8d31e60

Original bytes (Base64)

YjdjMTQ3ZWYyMDU0OTQyM2ZhMjlhZDZlNTYwM2VjNzFlMDE5MTM2NGQ1ZTNmYTQxM2MxNTk4M2JkOGQzMWU2MA==

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.