""ET TROJAN Backdoor.Win32.Pushdo.s Checkin""

SID: 2016867

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2013_05_21, updated_at 2015_03_24

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: !"Referer|3a 20|"

  • Value: "Accept|3a| /|0d 0a|Accept-Language|3a| en-us|0d 0a|Content-Type|3a| application/octet-stream|0d 0a|Content-Length|3a| " Depth: 93

  • Value: "User-Agent|3a| Mozilla/4.0 (compatible|3b| MSIE 6.0|3b| Windows NT 5.1|3b| SV1|29 0d 0a|Host|3a|"

Within:

PCRE: "/^[^\r\n]+?\r\n(Connection\x3a Keep-Alive\r\n)?Cache-Control\x3a no-cache\r\n/R"

Special Options:

  • http_method

  • http_header

  • http_header

source