""ET TROJAN Trojan.Dropper.HTML.Agent Payload""

SID: 2037863

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 2022_07_29, deployment Perimeter, former_category ATTACK_RESPONSE, signature_severity Major, updated_at 2023_04_03, reviewed_at 2023_10_04

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: to_client,established

Contents:

  • Value: "|3c|p|3e|Password is" Depth: 30 Offset: 55

  • Value: "|3c|iframe src|3d 22|data|3a|application|2f|x|2d|zip|2d|compressed|3b|base64|2c|"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source