Cereal2 · Observed attack

AS53107 UDP flood on 177.104.186.0/23 | 2026-10-13 19:57:33Z

· Event #328726

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
2026-10-13T19:57:33.754Z
Recorded

Recorded 474ms after observation

Affected network
177.104.186.0/23
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
00000000ea 90 09 9b 06 df ca 94........
0000000889 6b 53 b2 3e 41 59 95.kS.>AY.
00000010fe c0 1f 3a b0 77 4c fb...:.wL.
0000001810 66 87 8e 08 4b d2 4e.f...K.N

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

SHA-256 of decoded template

fec1c8665f78526636176aafd329999842e18ccde3a9ef13e50798955f34dc68

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
ea90099b06dfca94896b53b23e415995fec01f3ab0774cfb1066878e084bd24e

Original bytes (Base64)

ZWE5MDA5OWIwNmRmY2E5NDg5NmI1M2IyM2U0MTU5OTVmZWMwMWYzYWIwNzc0Y2ZiMTA2Njg3OGUwODRiZDI0ZQ==

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.