Cereal2 · Observed attack

AS28665 UDP flood on 177.136.148.0/24 | 2026-10-10 19:37:30Z

· Event #324522

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
2026-10-10T19:37:30.555Z
Recorded

Recorded 111ms 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
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000da 31 bb dd 9a c7 8e 6a.1.....j
00000008d8 c5 f0 62 3c d5 81 56...b<..V
0000001073 ca ed 4f f0 f6 93 54s..O...T
0000001896 80 6f 74 dc 44 d5 50..ot.D.P

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

SHA-256 of decoded template

0060d5f02064981be348f2a95d46e05677fc8e5b60992502e73f3ee73c3118bf

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
da31bbdd9ac78e6ad8c5f0623cd5815673caed4ff0f6935496806f74dc44d550

Original bytes (Base64)

ZGEzMWJiZGQ5YWM3OGU2YWQ4YzVmMDYyM2NkNTgxNTY3M2NhZWQ0ZmYwZjY5MzU0OTY4MDZmNzRkYzQ0ZDU1MA==

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.