""ET TROJAN PXJ Ransomware CnC Activity""
SID: 2029615
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_12, deployment Perimeter, signature_severity Major, tag Ransomware, updated_at 2020_03_12, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "/do.php?token_value="
-
Value: !"Accept"
-
Value: !"Referer"
Within:
PCRE: "/\/do.php\?token_value=(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})$/U"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_header
-
http_header