Cereal2 · Observed attack

AS28665 UDP flood on 177.136.135.0/24 | 2026-10-10 19:13:30Z

· Event #324491

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
2026-10-10T19:13:30.478Z
Recorded

Recorded 147ms after observation

Affected network
177.136.135.0/24
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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.2338.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000098 6d c5 14 9c ec 10 90.m......
0000000865 84 5e 1d 6e 48 5f 85e.^.nH_.
000000103c 72 07 93 4a 85 de fa<r..J...
00000018ef 9e 02 46 b7 dd a8 57...F...W

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

SHA-256 of decoded template

04bb0cb4c6847f55d511241e4862c09979f765569eb1bf8e06f0bee44660248e

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
986dc5149cec109065845e1d6e485f853c7207934a85defaef9e0246b7dda857

Original bytes (Base64)

OTg2ZGM1MTQ5Y2VjMTA5MDY1ODQ1ZTFkNmU0ODVmODUzYzcyMDc5MzRhODVkZWZhZWY5ZTAyNDZiN2RkYTg1Nw==

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.