""ET TROJAN APT 41 CnC Domain Observed in DNS Query""
SID: 2028841
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_10_16, deployment Perimeter, malware_family LOWKEY, signature_severity Major, tag APT41, updated_at 2019_10_16
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: "|03|ssl|07|dyn-dns|03|com|00|"
Within: 7
PCRE:
Special Options:
- fast_pattern