""ET TROJAN Base64 Encoded Stealer Config from Server - APPDATA or USERPROFILE Environment Variable M4""

SID: 2035884

Revision: 5

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_08, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Major, updated_at 2022_04_21

Reference:

  • md5

  • 1cde32d54a0f0f2ddad79d7df6a7419f

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "200"

  • Value: "MXwxf" Depth: 5

  • Value: "f"

Within: 1

PCRE: "/%(?:USERPROFILE|APPDATA)%/i"

Special Options:

  • http_stat_code

  • file_data

  • fast_pattern

  • file_data

  • base64_data

source