""ET TROJAN OS X Backdoor Checkin""

SID: 2014564

Revision: 1

Class Type: trojan-activity

Metadata: created_at 2012_04_16, updated_at 2012_04_16

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "Accept-Encoding|3a 20|base64,gzip"

  • Value: "|20|Mac|20|OS|20|X|3a|"

Within:

PCRE:

Special Options:

  • http_header

  • fast_pattern

  • http_header

source