Cereal2 · Observed attack

AS28665 UDP flood on 177.136.147.0/24 | 2026-10-10 19:35:30Z

· Event #324519

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
2026-10-10T19:35:30.549Z
Recorded

Recorded 423ms after observation

Affected network
177.136.147.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000038 0f b3 be 4b 77 5a 2d8...KwZ-
000000080b b1 a0 5e e8 18 2b f9...^..+.
000000106f 5c 50 5e eb 38 aa 19o\P^.8..
00000018f9 58 38 18 56 00 8d f8.X8.V...

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

SHA-256 of decoded template

8d2dce14dc942386e36a78bdbd023f0243855363ac1a2b475efa9b00a16c1ab3

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
380fb3be4b775a2d0bb1a05ee8182bf96f5c505eeb38aa19f958381856008df8

Original bytes (Base64)

MzgwZmIzYmU0Yjc3NWEyZDBiYjFhMDVlZTgxODJiZjk2ZjVjNTA1ZWViMzhhYTE5Zjk1ODM4MTg1NjAwOGRmOA==

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.