Cereal2 · Observed attack

AS53102 UDP flood on 187.103.174.0/24 | 2026-10-13 10:11:30Z

· Event #328223

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
2026-10-13T10:11:30.689Z
Recorded

Recorded 134ms after observation

Affected network
187.103.174.0/24
Network operator
S.I. TELECOM. SERVICOS DE TELEFONIA LTDA EPPAS53102
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197178.128.223.92188.166.12.843.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5364.227.72.6877.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.249

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
000000003f 60 e9 0c ad 0b 21 f3?`....!.
0000000820 1f a3 79 bb b9 69 1f ..y..i.
00000010b0 f8 9d 05 ec f1 96 18........
0000001802 a1 c4 68 f2 10 aa 60...h...`

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

SHA-256 of decoded template

bc10a8bf55b8af0609ed64200b3ea17ffaf6a494bcbe70d9467eae98821d0418

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
3f60e90cad0b21f3201fa379bbb9691fb0f89d05ecf1961802a1c468f210aa60

Original bytes (Base64)

M2Y2MGU5MGNhZDBiMjFmMzIwMWZhMzc5YmJiOTY5MWZiMGY4OWQwNWVjZjE5NjE4MDJhMWM0NjhmMjEwYWE2MA==

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.