Cereal2 · Observed attack

AS28665 UDP flood on 177.136.148.0/24 | 2026-10-10 21:09:50Z

· Event #324648

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
2026-10-10T21:09:50.411Z
Recorded

Recorded 396ms after observation

Affected network
177.136.148.0/24
Network operator
Predlink Rede de Telecomunicções LtdaAS28665
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000af 76 5c 6a df b6 cd 78.v\j...x
000000085a c0 74 a8 17 f9 e0 49Z.t....I
00000010bb a9 8f 9e d4 78 22 a6.....x".
00000018fb 46 53 c8 1c 9e c5 8a.FS.....

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

SHA-256 of decoded template

2094d92842c4cef8c957e5333ee408b964de932c1c4095dda76048d2196da7f2

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
af765c6adfb6cd785ac074a817f9e049bba98f9ed47822a6fb4653c81c9ec58a

Original bytes (Base64)

YWY3NjVjNmFkZmI2Y2Q3ODVhYzA3NGE4MTdmOWUwNDliYmE5OGY5ZWQ0NzgyMmE2ZmI0NjUzYzgxYzllYzU4YQ==

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.