SID: 2035313

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_02_28, deployment Perimeter, malware_family PurpleFox, signature_severity Major, updated_at 2022_02_28

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET /i.php?i="

  • Value: "User-Agent|3a 20|Windows Installer|0d 0a|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/Connection\x3a\x20[^\r\n]+\r\nAccept\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\n\r\n$/H"

Special Options:

  • fast_pattern

  • http_header

  • http_header

source