""ET TROJAN IIS-Raid Module Backdoor - Successful PING in HTTP Response (PONG)""

SID: 2046175

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Web_Server, created_at 2023_06_09, deployment Perimeter, deployment Internal, deployment SSLDecrypt, malware_family IIS_Raid, performance_impact Low, confidence High, signature_severity Critical, updated_at 2023_06_09

Reference:

Protocol: tcp

Source Network: [$HOME_NET,$HTTP_SERVERS]

Source Port: $HTTP_PORTS

Destination Network: any

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "|3a 20|UElORw==|0d 0a|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • fast_pattern

source