Cereal2 · Observed attack

AS53245 UDP flood on 177.21.77.0/24 | 2026-10-10 22:39:50Z

· Event #324757

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
2026-10-10T22:39:50.804Z
Recorded

Recorded 397ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14137.184.100.23206.189.2.8638.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000057 9b f2 eb f8 67 e1 bdW....g..
0000000885 41 9f 1c 19 ac 72 cc.A....r.
00000010ac 37 f7 78 56 30 9e 2d.7.xV0.-
000000184f 26 ee 68 c3 10 02 58O&.h...X

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

SHA-256 of decoded template

f806d1e62e0b80b815bee1d209a98559a6c99a6aa29b687228127800dde85fe4

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
579bf2ebf867e1bd85419f1c19ac72ccac37f77856309e2d4f26ee68c3100258

Original bytes (Base64)

NTc5YmYyZWJmODY3ZTFiZDg1NDE5ZjFjMTlhYzcyY2NhYzM3Zjc3ODU2MzA5ZTJkNGYyNmVlNjhjMzEwMDI1OA==

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.