Cereal2 · Observed attack

AS28203 UDP flood on 189.91.43.0/24 | 2026-10-11 00:11:51Z

· Event #324890

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
2026-10-11T00:11:51.199Z
Recorded

Recorded 144ms after observation

Affected network
189.91.43.0/24
Network operator
Webcenter Sist Prest de Servicos de InformaticaAS28203
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.77.120137.184.100.23206.189.2.8638.60.136.14094.183.235.1194.183.235.15994.183.235.249

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
000000007e 38 d0 62 13 3b b6 68~8.b.;.h
00000008db dc b4 98 66 6b 5a 49....fkZI
0000001006 ac 29 0a 84 a1 45 bc..)...E.
00000018fb a3 0b 53 7c 94 38 de...S|.8.

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

SHA-256 of decoded template

4fc3f42979450d4500dc82c7179ced666ecf862a270100b36f77740a056a381d

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
7e38d062133bb668dbdcb498666b5a4906ac290a84a145bcfba30b537c9438de

Original bytes (Base64)

N2UzOGQwNjIxMzNiYjY2OGRiZGNiNDk4NjY2YjVhNDkwNmFjMjkwYTg0YTE0NWJjZmJhMzBiNTM3Yzk0MzhkZQ==

Other attacks on this network

Within 24 hours of this observation

No other observations within 24 hours.

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.