""ET MOBILE_MALWARE NSO Group Domain in DNS Lookup (free247downloads .com)""
SID: 2030380
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Mobile_Client, created_at 2020_06_22, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_06_22
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: "|10|free247downloads|03|com|00|"
Within: 7
PCRE:
Special Options:
-
nocase
-
fast_pattern