""ET INFO URI Shortening Domain in DNS Lookup (sprl .in)""
SID: 2047711
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2023_08_23, deployment Perimeter, performance_impact Low, signature_severity Informational, tag URL_Shortener_Service, updated_at 2023_08_23, reviewed_at 2023_08_23
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: "|04|sprl|02|in|00|"
Within: 9
PCRE:
Special Options:
-
fast_pattern
-
nocase