""ET TROJAN PurpleFox Backdoor Related Domain in DNS Lookup (qq .c1c .ren)""
SID: 2035307
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, signature_severity Major, updated_at 2022_02_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: "|02|qq|03|c1c|03|ren|00|"
Within: 12
PCRE:
Special Options:
-
nocase
-
fast_pattern