""ET TROJAN Linux/Onimiki DNS trojan activity long format (Inbound)""
SID: 2018276
Revision: 6
Class Type: trojan-activity
Metadata: created_at 2014_03_14, updated_at 2014_03_18
Reference:
Protocol: udp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: 53
Flow:
Contents:
- Value: "|00 01 00 00 00 00 00 00 38|" Depth: 9 Offset: 4
Within:
PCRE: "/^[a-z0-9]{23}[a-f0-9]{33}.[a-z0-9-]+.[a-z0-9-]+\x00\x00\x01\x00\x01/Rsi"
Special Options: