Cereal2 · Observed attack

AS53107 UDP flood on 177.136.240.0/23 | 2026-10-13 20:31:33Z

· Event #328771

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
2026-10-13T20:31:33.987Z
Recorded

Recorded 439ms after observation

Affected network
177.136.240.0/23
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000da 44 65 14 4f f0 19 e1.De.O...
00000008d1 5b b2 d7 66 dd d8 1a.[..f...
0000001098 eb ae 5c 84 21 51 4c...\.!QL
0000001802 48 1a 47 08 04 11 1e.H.G....

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

SHA-256 of decoded template

b1db2d257974267e5f11896dbcb9e0705e1b55dd56d0c8915b814d471578b740

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
da4465144ff019e1d15bb2d766ddd81a98ebae5c8421514c02481a470804111e

Original bytes (Base64)

ZGE0NDY1MTQ0ZmYwMTllMWQxNWJiMmQ3NjZkZGQ4MWE5OGViYWU1Yzg0MjE1MTRjMDI0ODFhNDcwODA0MTExZQ==

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.