""ET POLICY DNS Query to .onion proxy Domain (tor2web)""
SID: 2015576
Revision: 8
Class Type: bad-unknown
Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2012_08_07, deployment Perimeter, signature_severity Informational, tag DNS_Onion_Query, updated_at 2020_09_15
Reference:
Protocol: udp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 53
Flow:
Contents:
-
Value: "|01|" Depth: 1 Offset: 2
-
Value: "|00 01 00 00 00 00 00|"
-
Value: "|07|tor2web"
Within: 7
PCRE:
Special Options:
-
fast_pattern
-
nocase