""ET TROJAN VersaMem Webshell Authentication Attempt M2""
SID: 2055537
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Server, tls_state TLSDecrypt, created_at 2024_08_27, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_08_27
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HOME_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "p|3d|"
-
Value: "clzd|3d|"
Within:
PCRE:
Special Options:
-
http_method
-
http_client_body
-
http_client_body
-
fast_pattern