""ET CURRENT_EVENTS Known Malicious Expires Header Seen In Malicious JavaScript Downloader Campaign""

SID: 2024229

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_04_20, deployment Perimeter, performance_impact Moderate, signature_severity Major, updated_at 2017_04_20

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "Expires|3A| Tue, 08 Jan 1935 00|3A|00|3A|00 GMT"

Within:

PCRE:

Special Options:

  • http_header

source