Cereal2 · Observed attack

AS53107 UDP flood on 177.104.137.0/24 | 2026-10-13 18:43:33Z

· Event #328661

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
2026-10-13T18:43:33.452Z
Recorded

Recorded 130ms after observation

Affected network
177.104.137.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5382.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000026 b5 c4 1b 7c 4f 01 46&...|O.F
0000000843 b9 62 62 74 b2 fb 4eC.bbt..N
00000010ae da 07 2f 6c 9e 56 8b.../l.V.
00000018c1 f3 b0 06 a3 95 87 2e........

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

SHA-256 of decoded template

9baebe98a53548c299a89cfb987e75d0f59fc796e3003d2c33dd3c9d1f2591d9

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
26b5c41b7c4f014643b9626274b2fb4eaeda072f6c9e568bc1f3b006a395872e

Original bytes (Base64)

MjZiNWM0MWI3YzRmMDE0NjQzYjk2MjYyNzRiMmZiNGVhZWRhMDcyZjZjOWU1NjhiYzFmM2IwMDZhMzk1ODcyZQ==

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.