""ET TROJAN Dridex Post Check-in Activity""

SID: 2020064

Revision: 2

Class Type: trojan-activity

Metadata: created_at 2014_12_23, updated_at 2014_12_23

Reference:

  • md5

  • ac6ea1e500de772341a2075a7d916d63

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "POST " Depth: 5

  • Value: !"Referer|3a|"

  • Value: "User-Agent|3a 20|Mozilla/5.0 (Windows NT 6.1|3b| Trident/7.0|3b| rv|3a|10.0) like Gecko|0d 0a|"

  • Value: "Connection|3a 20|Close|0d 0a|"

  • Value: "HTTP/1.1|0d 0a|Host|3a 20|"

Within:

PCRE: "/^\d{1,3}.\d{1,3}.\d{1,3}.\d{1,3}\r\n/R"

Special Options:

source