""ET TROJAN IIS Backdoor CnC Command Inbound""
SID: 2037845
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Microsoft_IIS, attack_target Web_Server, created_at 2022_07_28, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2022_07_28
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: ".aspx"
-
Value: "Cookie|3a 20|EX_TOKEN|3d|"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/.aspx$/U"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header
-
http_header