""ET TROJAN Win32/S1deload Stealer Data Exfiltration Attempt M1""

SID: 2044366

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 2023_02_27, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_02_27

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/api/logins/add?keyid=" Depth: 22

  • Value: "&ran="

Within:

PCRE: "/&ran=[a-f0-9]{8}-(?:[a-f0-9]{4}-){3}[a-f0-9]{12}/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

source