""ET TROJAN Win32/HackTool.Agent.CS SMTP Scanner CnC Checkin""
SID: 2037754
Revision: 1
Class Type: trojan-activity
Metadata: attack_target SMTP_Server, created_at 2022_07_13, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_13
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/ssa/scan.php"
-
Value: !"Referer|3a 20|"
Within:
PCRE:
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header