Cereal2 · Observed attack

AS53107 UDP flood on 177.136.238.0/23 | 2026-10-13 20:25:33Z

· Event #328765

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
2026-10-13T20:25:33.926Z
Recorded

Recorded 168ms after observation

Affected network
177.136.238.0/23
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
000000009e 48 e2 e4 54 94 ef 7f.H..T...
00000008ca c8 03 0e 71 15 49 8a....q.I.
00000010f5 5b a6 3e 13 8d c0 92.[.>....
00000018fc 2c 15 02 49 3e 6f 3f.,..I>o?

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

SHA-256 of decoded template

f0e3147fb8cd9527185b742aecd14d732bbcb9b46d92d28369e1f296734561fa

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
9e48e2e45494ef7fcac8030e7115498af55ba63e138dc092fc2c1502493e6f3f

Original bytes (Base64)

OWU0OGUyZTQ1NDk0ZWY3ZmNhYzgwMzBlNzExNTQ5OGFmNTViYTYzZTEzOGRjMDkyZmMyYzE1MDI0OTNlNmYzZg==

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.