""ET TROJAN NORTHSTAR Client Data POST""

SID: 2030189

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_05_19, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_05_19

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "|20|/getjuice.php|20|"

  • Value: "|0d 0a|Expect|3a 20|100-continue|0d 0a|"

  • Value: "multipart/form-data|3b| boundary=---------------------"

  • Value: !"Referer"

  • Value: !"User-Agent"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

source