""ET TROJAN Win32/FireStealer Related Activity M2 (POST)""

SID: 2051908

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_04_03, deployment Perimeter, performance_impact Low, confidence High, signature_severity Critical, updated_at 2024_04_03

Reference:

  • md5

  • 03f80949b6a0d5148c4e0d0557175131

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: "|7b 22|name|22 3a 22|" Depth: 24

  • Value: "|22 2c 22|title|22 3a 22|grabg|3a 3a|"

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

  • Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_header

  • http_header

source