""ET TROJAN Likseput.B Checkin""

SID: 2016432

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2013_02_20, updated_at 2013_02_20

Reference:

  • md5

  • 95d85aa629a786bb67439a064c4349ec

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "|3b|Trident/4.0 "

Within:

PCRE: "/User-Agent\x3a[^\r\n]+[^\x20]\x3bTrident\/4.0\x29\s\d{2}\x3a\d{2}\s\r$/Hmi"

Special Options:

  • fast_pattern

  • http_header

source