""ET TROJAN Java Archive sent when remote host claims to send an image""

SID: 2014288

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2012_02_28, updated_at 2019_10_10

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "Content-Type|3a| image"

  • Value: "|0d 0a 0d 0a|PK"

  • Value: "META-INF/MANIFEST"

  • Value: !"Content-Type|3a 20|application/java-archive"

Within:

PCRE:

Special Options:

  • nocase

  • http_header

  • fast_pattern

  • http_header

source