Cereal2 · Observed attack

AS53245 UDP flood on 177.21.77.0/24 | 2026-10-12 23:29:07Z

· Event #327776

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
2026-10-12T23:29:07.241Z
Recorded

Recorded 441ms 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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15995.182.87.134

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
000000001d bb 56 4b f7 12 1e ec..VK....
00000008cd 12 42 20 1a d8 e8 d7..B ....
00000010b5 0a 1c 5c d6 ac 75 f9...\..u.
000000183d 27 da 55 0d 1f b4 0e='.U....

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

SHA-256 of decoded template

81679a6fd29b3854ffbfeb5f2d85aaedf45436c2efdd0acc2404f3ceb788abf3

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
1dbb564bf7121eeccd1242201ad8e8d7b50a1c5cd6ac75f93d27da550d1fb40e

Original bytes (Base64)

MWRiYjU2NGJmNzEyMWVlY2NkMTI0MjIwMWFkOGU4ZDdiNTBhMWM1Y2Q2YWM3NWY5M2QyN2RhNTUwZDFmYjQwZQ==

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.