""ET TROJAN Fruspam polling for IP likely infected""

SID: 2011072

Revision: 4

Class Type: trojan-activity

Metadata: created_at 2010_07_30, updated_at 2010_10_29

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/automation/n09230945.asp"

  • Value: "User-Agent|3a| Mozilla/5.0 (X11|3b| U|3b| Linux i686|3b| en-US|3b| rv|3a|1.9.0.4) Ubuntu/8.04 (hardy) Firefox/3.0.0|0d 0a|"

Within:

PCRE:

Special Options:

  • nocase

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source