""ET TROJAN Win32/Scarsi Variant CnC Activity""

SID: 2024758

Revision: 6

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_09_21, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2018_09_21

Reference:

  • md5

  • 52c193a7994a6bb55ec85addc8987c10

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "/WP"

  • Value: ".php"

  • Value: "Content-Length|3a 20|"

  • Value: !"Referer|3a 20|"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded|3b| Charset=UTF-8|0d 0a|"

Within: 50

PCRE: "/^[\x20-\x25\x27-\x3c\x3e-\x7e]{25,}$/Psi"

Special Options:

  • http_uri

  • http_uri

  • http_header

  • http_header

  • http_header

source