""ET TROJAN Win32/RM3Loader Activity (set)""

SID: 2039122

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_10_07, deployment Perimeter, deployment SSLDecrypt, malware_family ursnif, signature_severity Major, updated_at 2022_10_07

Reference:

  • md5

  • aaef17d68339c7f2f19fb780ab90e156

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: ".html"

  • Value: "|0d 0a|Content-Disposition|3a 20|form-data|3b 20|name=|22|"

  • Value: !"Referer|3a 20|"

Within:

PCRE: "/^Cache-Control\x3a\x20[^\r\n]+\r\nConnection\x3a\x20[^\r\n]+\r\nPragma\x3a\x20[^\r\n]+\r\n/Hm"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • http_header

source