Cereal2 · Observed attack

AS53107 UDP flood on 177.136.226.0/23 | 2026-10-13 20:11:33Z

· Event #328750

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
2026-10-13T20:11:33.812Z
Recorded

Recorded 153ms after observation

Affected network
177.136.226.0/23
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
00000000a9 d7 1f 0c 47 e7 75 14....G.u.
00000008e6 c3 a6 a3 7e 5b ed 16....~[..
0000001095 9d 1d ed 09 77 50 31.....wP1
00000018f6 28 d1 47 84 22 e1 8f.(.G."..

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

SHA-256 of decoded template

2c1482ddf15c094ccd64d3ee2544ecdf075491d392509e985718edc928206ca7

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
a9d71f0c47e77514e6c3a6a37e5bed16959d1ded09775031f628d1478422e18f

Original bytes (Base64)

YTlkNzFmMGM0N2U3NzUxNGU2YzNhNmEzN2U1YmVkMTY5NTlkMWRlZDA5Nzc1MDMxZjYyOGQxNDc4NDIyZTE4Zg==

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.