""ET TROJAN W32/Upatre.Downloader Encoded Binary Download Request""

SID: 2020294

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2015_01_23, updated_at 2015_01_23

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/mandoc/" Depth: 8

  • Value: ".pdf"

  • Value: "Accept|3A| text/, application/|0D 0A|User-Agent|3A 20|" Depth: 43

Within:

PCRE:

Special Options:

  • fast_pattern

  • http_uri

  • http_uri

  • http_header

source