""ET TROJAN Win32/Syndicasec Encoded Response Embedded in HTML Title Tags Inbound""

SID: 2033905

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 2021_09_07, deployment Perimeter, performance_impact Low, signature_severity Minor, updated_at 2022_06_24

Reference:

  • md5

  • f339bbca8e7a5d0f1629212f61b7d351

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|3c|title|3e 40|"

  • Value: !"|40|"

  • Value: "|40 3c 2f|title|3e|"

Within: 150

PCRE:

Special Options:

  • file_data

  • fast_pattern

source