""ET TROJAN ViperSoftX CnC Activity M1""
SID: 2029608
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_11, deployment Perimeter, signature_severity Major, updated_at 2020_03_11
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: "User-Agent|3a 20|viperSoftx_"
Within:
PCRE:
Special Options:
-
http_header
-
fast_pattern