Cereal2 · Observed attack

AS53245 UDP flood on 177.21.64.0/23 | 2026-10-10 21:59:50Z

· Event #324712

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
2026-10-10T21:59:50.655Z
Recorded

Recorded 143ms after observation

Affected network
177.21.64.0/23
Network operator
ActiON Infinite Communications, Brazil.AS53245
Location
Brazil
Method
Configurable custom-payload UDP floodVector 19
Protocol
udp
Destination port
Randomized
Commanded duration
1m
Observed via
130.94.1.105130.94.107.174130.94.16.10130.94.17.15130.94.32.14130.94.77.120137.184.100.23206.189.2.8638.60.136.14038.60.199.12638.60.238.10994.183.235.1194.183.235.14294.183.235.15994.183.235.24995.182.87.134

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
00000000c1 97 54 a2 30 a4 b3 9f..T.0...
0000000836 d8 19 96 00 49 83 256....I.%
0000001094 26 0f 77 00 ac d2 3c.&.w...<
00000018de 99 93 7c 76 1a 01 ea...|v...

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

SHA-256 of decoded template

7f7f147fd3acc98df195815ad21d7938808d1a13017bc2c86a41c53226a52842

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
c19754a230a4b39f36d819960049832594260f7700acd23cde99937c761a01ea

Original bytes (Base64)

YzE5NzU0YTIzMGE0YjM5ZjM2ZDgxOTk2MDA0OTgzMjU5NDI2MGY3NzAwYWNkMjNjZGU5OTkzN2M3NjFhMDFlYQ==

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.