Cereal2 · Observed attack

AS53245 UDP flood on 177.21.78.0/23 | 2026-10-10 04:14:31Z

· Event #322907

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
2026-10-10T04:14:31.324Z
Recorded

Recorded 144ms after observation

Affected network
177.21.78.0/23
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
38.60.136.140

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
000000001f 07 8a 3c 1a ac 3f 2d...<..?-
00000008d0 37 cd 2c 41 69 b6 2e.7.,Ai..
00000010fb f2 68 9e 8a c1 e2 cc..h.....
00000018cd fa b2 c3 86 d7 9e 0e........

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

SHA-256 of decoded template

62ac59ffb8cd6cb3c4c2c1995b5f4126070f87d81090652cececea8438dcd51e

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
1f078a3c1aac3f2dd037cd2c4169b62efbf2689e8ac1e2cccdfab2c386d79e0e

Original bytes (Base64)

MWYwNzhhM2MxYWFjM2YyZGQwMzdjZDJjNDE2OWI2MmVmYmYyNjg5ZThhYzFlMmNjY2RmYWIyYzM4NmQ3OWUwZQ==

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.