Cereal2 · Observed attack

AS53102 UDP flood on 187.103.163.0/24 | 2026-10-13 01:55:07Z

· Event #327894

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
2026-10-13T01:55:07.869Z
Recorded

Recorded 152ms after observation

Affected network
187.103.163.0/24
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
101.34.239.216119.45.12.154139.59.33.238157.230.127.22159.223.68.251164.90.186.13165.22.152.158170.106.35.197188.166.12.8206.189.228.1743.136.129.13143.153.106.22943.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000030 bd 72 cb 47 f1 da cc0.r.G...
00000008fa 84 fa 32 14 eb e3 58...2...X
0000001025 b6 cc 6e 63 46 89 a3%..ncF..
000000182d 69 1d ee 3b 72 e7 f7-i..;r..

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

SHA-256 of decoded template

bf0b37c6617e485401de2a5e46f034f28076c0ff2337f63fb21d320fef532c28

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
30bd72cb47f1daccfa84fa3214ebe35825b6cc6e634689a32d691dee3b72e7f7

Original bytes (Base64)

MzBiZDcyY2I0N2YxZGFjY2ZhODRmYTMyMTRlYmUzNTgyNWI2Y2M2ZTYzNDY4OWEzMmQ2OTFkZWUzYjcyZTdmNw==

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.