Cereal2 · Observed attack

AS53102 UDP flood on 187.103.172.0/23 | 2026-10-14 09:30:03Z

· Event #329441

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
2026-10-14T09:30:03.840Z
Recorded

Recorded 144ms after observation

Affected network
187.103.172.0/23
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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
000000004b d1 36 8c d0 b3 22 06K.6...".
0000000864 a1 f1 61 ed 0f d6 f9d..a....
0000001088 db 68 ec ea 9f 47 75..h...Gu
00000018c5 d0 54 85 95 0e 38 d0..T...8.

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

SHA-256 of decoded template

07381a12fc0a4071548f7035061680e6fb11a1d8c2c50f1049a90eb66eba46d4

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
4bd1368cd0b3220664a1f161ed0fd6f988db68ecea9f4775c5d05485950e38d0

Original bytes (Base64)

NGJkMTM2OGNkMGIzMjIwNjY0YTFmMTYxZWQwZmQ2Zjk4OGRiNjhlY2VhOWY0Nzc1YzVkMDU0ODU5NTBlMzhkMA==

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.