""ET MALWARE [FIREEYE] SLIGHTPULSE Webshell Activity M2""

SID: 2032912

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Server, created_at 2021_05_05, deployment Perimeter, deployment SSLDecrypt, performance_impact Moderate, signature_severity Major, updated_at 2021_05_05

Reference:

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: any

Destination Port: $HTTP_PORTS

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "Content-Disposition|3a 20|attachment|3b 20|filename=tmp|0d 0a|"

  • Value: "Content-Type|3a 20|application/x-download|0d 0a|"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • http_header

source