Cereal2 · Observed attack

AS28140 UDP flood on 187.103.213.0/24 | 2026-10-10 03:17:25Z

· Event #322730

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
2026-10-10T03:17:25.698Z
Recorded

Recorded 146ms after observation

Affected network
187.103.213.0/24
Network operator
G2G INTERNET E SERVICOS DE TELECOM LTDAAS28140
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.17.15130.94.32.14134.122.68.238137.184.100.23138.68.128.163157.230.254.212167.172.93.168168.144.113.82206.189.2.86209.38.240.4438.60.199.12638.60.238.10943.173.37.19747.237.95.14994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000006 68 d8 c9 06 18 01 8a.h......
000000084d 0e 3d df d9 32 41 34M.=..2A4
00000010bf d8 2a 52 3c bc d8 fd..*R<...
000000188c e4 9f 06 4e 50 53 89....NPS.

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

SHA-256 of decoded template

55df7fa54f3686d1e048017bfabbe8b285117e2614703c178ac6f6e361e22c7a

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
0668d8c90618018a4d0e3ddfd9324134bfd82a523cbcd8fd8ce49f064e505389

Original bytes (Base64)

MDY2OGQ4YzkwNjE4MDE4YTRkMGUzZGRmZDkzMjQxMzRiZmQ4MmE1MjNjYmNkOGZkOGNlNDlmMDY0ZTUwNTM4OQ==

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.