""ET TROJAN Observed DNS Query to Blackrota Domain""
SID: 2031234
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_11_25, deployment Perimeter, malware_family Blackrota, performance_impact Low, signature_severity Major, updated_at 2020_11_25
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: "|09|blackrato|02|ga|00|"
Within: 14
PCRE:
Special Options:
-
nocase
-
fast_pattern