""ET CURRENT_EVENTS PurpleFox EK Domain in DNS Lookup""
SID: 2031461
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_12_29, deployment Perimeter, performance_impact Low, signature_severity Major, tag Exploit_Kit, updated_at 2020_12_29
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: "|06|rawcdn|07|githack|04|cyou|00|"
Within: 21
PCRE:
Special Options:
-
nocase
-
fast_pattern