""ET TROJAN Win32/CrimsonRAT Activity (Inbound)""
SID: 2044147
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_02_08, deployment Perimeter, malware_family CrimsonRAT, performance_impact Significant, confidence High, signature_severity Major, updated_at 2023_02_08
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 1024:
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "|00 00 00 00|" Depth: 4 Offset: 1
-
Value: "|79 32|"
-
Value: "|3d|"
Within: 3
PCRE:
Special Options:
- fast_pattern