Cereal2 · Observed attack

AS264178 UDP flood on 138.99.74.0/23 | 2026-10-14 02:19:58Z

· Event #329065

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
2026-10-14T02:19:58.949Z
Recorded

Recorded 152ms 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
101.34.239.216119.45.12.154170.106.35.19743.136.129.13143.153.106.22943.156.101.22843.157.198.13743.159.46.15543.173.37.5377.232.43.2182.157.209.4194.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
0000000086 7f 39 79 87 51 d8 1a..9y.Q..
000000086b 52 5c 27 ff 7a 3d 58kR\'.z=X
0000001068 18 f8 8f 94 23 86 5ah....#.Z
000000186d de ff f6 c2 52 5b a2m....R[.

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

SHA-256 of decoded template

63691dbff18fcc55870289a8703aa5c868fc4f5c0183b4b902e19f688f3e23b1

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
867f39798751d81a6b525c27ff7a3d586818f88f9423865a6ddefff6c2525ba2

Original bytes (Base64)

ODY3ZjM5Nzk4NzUxZDgxYTZiNTI1YzI3ZmY3YTNkNTg2ODE4Zjg4Zjk0MjM4NjVhNmRkZWZmZjZjMjUyNWJhMg==

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.