""ET CURRENT_EVENTS Spelevo EK Post-Compromise Data Dump""

SID: 2027075

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_03_11, deployment Perimeter, malware_family Spleevo_EK, performance_impact Moderate, signature_severity Major, updated_at 2024_01_25

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: "/?" Depth: 2

  • Value: !"Referer|3a|"

  • Value: !"User-Agent|3a|"

  • Value: !"Accept"

  • Value: !"Cookie|3a|"

  • Value: "|0600000001000000|" Depth: 8

  • Value: "|000002000000|" Depth: 16 Offset: 8

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_header

  • http_client_body

  • http_client_body

source