""ET TROJAN Observed IcedID Domain (deactivate .best in TLS SNI)""
SID: 2030654
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2020_08_05, deployment Perimeter, malware_family IcedID, performance_impact Low, signature_severity Major, updated_at 2020_08_05
Reference:
-
md5
-
67b0f8b2b72d43842dabb735c0e400d3
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: 443
Flow: established,to_server
Contents:
-
Value: "|16|"
-
Value: "|01|"
-
Value: "|00 00 0f|deactivate.best"
Within: 8
PCRE:
Special Options:
- fast_pattern