Cereal2 · Observed attack

AS264178 UDP flood on 138.99.74.0/23 | 2026-10-10 22:47:50Z

· Event #324768

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
2026-10-10T22:47:50.834Z
Recorded

Recorded 137ms after observation

Affected network
138.99.74.0/23
Network operator
Coonexao Telecom e Informatica EIRELIAS264178
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000010 5b 12 84 81 50 03 d3.[...P..
000000086e 0d f9 da b6 d0 5e 33n.....^3
0000001018 ad a4 08 8b 17 17 b6........
000000183a 5e 5f 6b aa 77 f4 24:^_k.w.$

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

SHA-256 of decoded template

92c596c3f52600271626192c91cd23f11613200378e81a8ea0eb2d91f52c62b5

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
105b1284815003d36e0df9dab6d05e3318ada4088b1717b63a5e5f6baa77f424

Original bytes (Base64)

MTA1YjEyODQ4MTUwMDNkMzZlMGRmOWRhYjZkMDVlMzMxOGFkYTQwODhiMTcxN2I2M2E1ZTVmNmJhYTc3ZjQyNA==

Other attacks on this network

Within 24 hours of this observation

No other observations within 24 hours.

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.