""ET TROJAN Putter Panda HTTPClient CnC HTTP Request""

SID: 2018554

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2014_06_11, updated_at 2016_02_12

Reference:

  • md5

  • 544fca6eb8181f163e2768c81f2ba0b3

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: "/Microsoft"

  • Value: "/default.asp"

  • Value: "?tmp="

  • Value: !"Referer|3a|"

Within:

PCRE: "/\/default.aspx?\?tmp=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/U"

Special Options:

  • http_method

  • nocase

  • http_uri

  • http_uri

  • http_uri

  • http_header

source