""ET TROJAN ErbiumStealer Variant CnC Activity (getstub)""

SID: 2038723

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_09_01, deployment Perimeter, malware_family Erbium, performance_impact Low, confidence High, signature_severity Major, updated_at 2022_09_01

Reference:

  • md5

  • e1826f107e517c0cb9a9b02f74cb94f2

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".php?"

  • Value: "method=getstub"

  • Value: "bid="

  • Value: "tag="

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source