""ET TROJAN PoshC2 - Observed Default URI Structure M4""
SID: 2036513
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_05_06, deployment Perimeter, deployment SSLDecrypt, former_category MALWARE, malware_family PoshC2, signature_severity Major, tag c2, updated_at 2022_05_06, 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: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "/advanced_search/" Depth: 17
-
Value: "/?"
Within: 38
PCRE: "/\/\?[A-Za-z0-9]{15}$/U"
Special Options:
-
http_uri
-
fast_pattern
-
http_uri