Cereal2 · Observed attack

AS53107 UDP flood on 177.136.238.0/24 | 2026-10-13 20:27:33Z

· Event #328767

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
2026-10-13T20:27:33.936Z
Recorded

Recorded 157ms after observation

Affected network
177.136.238.0/24
Network operator
EVEO S.A.AS53107
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
00000000b8 7b 7d 83 19 f3 1b 81.{}.....
00000008aa 37 f1 af ca 4f 53 44.7...OSD
0000001052 e7 78 52 f5 09 7a d8R.xR..z.
0000001891 3f 7f 3b 93 91 ac dc.?.;....

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

SHA-256 of decoded template

d7d6fc59233ff89579b9fd03d6c51d0a7db83a478ad15afd179b82d231a0207b

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
b87b7d8319f31b81aa37f1afca4f534452e77852f5097ad8913f7f3b9391acdc

Original bytes (Base64)

Yjg3YjdkODMxOWYzMWI4MWFhMzdmMWFmY2E0ZjUzNDQ1MmU3Nzg1MmY1MDk3YWQ4OTEzZjdmM2I5MzkxYWNkYw==

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.