""ET TROJAN Possible Zbot Activity Common Download Struct""

SID: 2017836

Revision: 4

Class Type: trojan-activity

Metadata: created_at 2013_12_12, updated_at 2022_05_03

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".bin"

  • Value: !"Referer|3a|"

  • Value: !"Accept-"

  • Value: "Accept|3a| /|0d 0a|Connection|3a| Close|0d 0a|" Depth: 32

  • Value: " MSIE "

  • Value: !"passport.net|0d0a|"

Within:

PCRE: "/^User-Agent\x3a[^\r\n]*?\sMSIE\s/Hm"

Special Options:

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_header

  • http_header

  • http_header

source