""ET TROJAN Possible Covenant Framework Grunt Stager HTTP Download (DynamicInvoke)""
SID: 2027796
Revision: 2
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_04, deployment Perimeter, signature_severity Major, updated_at 2019_08_04
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "toStream(assembly_str)"
-
Value: "delegate.DynamicInvoke(array.ToArray()).CreateInstance("
Within:
PCRE:
Special Options:
- file_data