""ET TROJAN Observed NimPlant Server Response (Inbound)""
SID: 2044340
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2023_02_24, deployment Perimeter, signature_severity Major, updated_at 2023_02_24
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "|0d 0a|Server|3a 20|NimPlant C2 Server|0d 0a|"
Within:
PCRE:
Special Options:
-
http_header
-
nocase
-
fast_pattern