""ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer)""

SID: 2002400

Revision: 35

Class Type: trojan-activity

Metadata: created_at 2010_07_30, updated_at 2019_08_13

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "User-Agent|3a| Microsoft Internet Explorer"

  • Value: !"bbc.co.uk|0d 0a|"

  • Value: !"vmware.com|0d 0a|"

  • Value: !"rc.itsupport247.net|0d 0a|"

  • Value: !"msn.com|0d 0a|"

  • Value: !"msn.es|0d 0a|"

  • Value: !"live.com|0d 0a|"

  • Value: !"gocyberlink.com|0d 0a|"

  • Value: !"ultraedit.com|0d 0a|"

  • Value: !"windowsupdate.com"

  • Value: !"cyberlink.com"

  • Value: !"lenovo.com"

  • Value: !"itsupport247.net|0d 0a|"

  • Value: !"msn.co.uk|0d 0a|"

  • Value: !"support.weixin.qq.com"

Within:

PCRE:

Special Options:

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • nocase

  • http_header

  • http_header

  • http_header

  • http_header

  • nocase

  • http_header

  • http_header

  • http_header

source