""ET TROJAN CopperStealer - Remote Desktop - CnC Server Response via Pastebin""
SID: 2037029
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: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: $HTTP_PORTS
Flow: established,to_client
Contents:
-
Value: "data|2d|sourceurl|3d 22|https|3a 2f 2f|pastebin|2e|com|2f|raw|2f|"
-
Value: "|0a 20 20 3c|pre|3e 40 40|"
-
Value: "|7e 7e 40 40 3c 2f|pre|3e 0a 20 20|"
Within: 200
PCRE:
Special Options:
-
file_data
-
fast_pattern