""ET INFO DNS Query to a *.ngrok domain (ngrok.io)""
SID: 2022642
Revision: 4
Class Type: misc-activity
Metadata: created_at 2016_03_23, deployment Perimeter, signature_severity Informational, updated_at 2023_04_28
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: any
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|05|ngrok|02|io|00|"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase