""ET TROJAN CopperStealer - Remote Desktop - CnC Server Request via Pastebin""

SID: 2037028

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2022_06_17, deployment Perimeter, malware_family CopperStealer, signature_severity Major, tag c2, updated_at 2022_06_17, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol

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"

  • Value: "/raw/" Depth: 5

  • Value: "?_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp"

  • Value: "x-csrftoken|3a 20|x|0d 0a|"

  • Value: "pastebin-com.translate.goog"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+pastebin-com.translate.goog/Hmi"

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_header

  • fast_pattern

  • http_header

source