""ET TROJAN Cobalt Strike Malleable C2 (Magnitude EK)""
SID: 2029741
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 2020_03_26, deployment Perimeter, malware_family Cobalt_Strike, signature_severity Major, updated_at 2020_03_26, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/themes/index.php?id=" Depth: 21
-
Value: "Accept|3a 20|image/jpeg, application/*|0d 0a|"
Within:
PCRE: "/^\/themes\/index.php\?id=[a-z]{200,}$/Us"
Special Options:
-
http_method
-
fast_pattern
-
http_uri
-
http_header