""ET TROJAN [FIREEYE] PULSECHECK Webshell Access Outbound""
SID: 2032907
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Server, created_at 2021_05_05, deployment Perimeter, deployment Internal, deployment SSLDecrypt, signature_severity Major, updated_at 2021_05_05
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: "X-CMD|3a 20|"
-
Value: "X-CNT|3a 20|"
-
Value: "X-KEY|3a 20|"
-
Value: !"Referer|3a 20|"
Within:
PCRE:
Special Options:
-
http_method
-
http_header
-
nocase
-
http_header
-
nocase
-
http_header
-
nocase
-
http_header