Cereal2 · Observed attack

AS53245 UDP flood on 177.21.77.0/24 | 2026-10-14 03:47:59Z

· Event #329151

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
2026-10-14T03:47:59.567Z
Recorded

Recorded 136ms after observation

Affected network
177.21.77.0/24
Network operator
ActiON Infinite Communications, Brazil.AS53245
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
00000000a3 eb 4b 1a 6f ab 77 3b..K.o.w;
0000000848 7a 1b b5 b2 97 f4 90Hz......
0000001083 74 1b 14 0a 52 8c 61.t...R.a
0000001857 a0 cd 94 c5 1a 39 c3W.....9.

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

SHA-256 of decoded template

9f7cdf5a703864dc4a2f5cae9e57dedb5a83501fcc932a6fae9e9a0579c41228

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
a3eb4b1a6fab773b487a1bb5b297f49083741b140a528c6157a0cd94c51a39c3

Original bytes (Base64)

YTNlYjRiMWE2ZmFiNzczYjQ4N2ExYmI1YjI5N2Y0OTA4Mzc0MWIxNDBhNTI4YzYxNTdhMGNkOTRjNTFhMzljMw==

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.