Cereal2 · Observed attack

AS53107 UDP flood on 177.104.138.0/24 | 2026-10-13 18:45:33Z

· Event #328663

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
2026-10-13T18:45:33.451Z
Recorded

Recorded 492ms after observation

Affected network
177.104.138.0/24
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000eb 5c 3e d9 84 44 6c 95.\>..Dl.
00000008a0 98 97 74 2d 9d dd 42...t-..B
00000010a6 49 d1 8f 5b 72 80 37.I..[r.7
00000018af 70 27 93 3e 02 12 77.p'.>..w

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

SHA-256 of decoded template

f4c5d9723df46fbddaa0069671157f3ee6280307709cb9c482a5de6c41e489f0

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
eb5c3ed984446c95a09897742d9ddd42a649d18f5b728037af7027933e021277

Original bytes (Base64)

ZWI1YzNlZDk4NDQ0NmM5NWEwOTg5Nzc0MmQ5ZGRkNDJhNjQ5ZDE4ZjViNzI4MDM3YWY3MDI3OTMzZTAyMTI3Nw==

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.