""ET TROJAN TA453 Modified IIS-Raid Backdoor Module Headers in HTTP Request""
SID: 2045222
Revision: 1
Class Type: trojan-activity
Metadata: affected_product Microsoft_IIS, attack_target Web_Server, created_at 2023_04_27, deployment Perimeter, deployment Internal, deployment SSLDecrypt, malware_family TA453, malware_family IIS_Raid, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_04_27
Reference:
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: $HOME_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "X-Beserver-Verify|3a 20|"
-
Value: "X-Forward-Verify|3a 20|"
Within:
PCRE:
Special Options:
-
http_header
-
fast_pattern
-
http_header