""ET USER_AGENTS Suspicious UA Observed (IEhook)""

SID: 2026558

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_26, deployment Perimeter, performance_impact Low, signature_severity Minor, tag User_Agent, updated_at 2018_10_26

Reference:

  • md5

  • f0483493bcb352bd2f474b52f3b2f273

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "User-Agent|3a 20|IEhook|0d|"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

source