""ET TROJAN Observed PowerShell/CustomRAT Domain (kleinm .de) in TLS SNI""
SID: 2036623
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_05_18, deployment Perimeter, malware_family PowerShell_CustomRAT, performance_impact Low, signature_severity Major, updated_at 2022_05_18
Reference:
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 09|kleinm.de"
Within: 8
PCRE:
Special Options:
- fast_pattern