""ET TROJAN IIS-Raid Module Backdoor Ping in HTTP Request""

SID: 2045226

Revision: 2

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 IIS_Raid, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_06_09, reviewed_at 2023_08_21

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|3a 20|PIN|7c|G"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

source