""ET WEB_SERVER Win32/SessionManager2 Backdoor S5WRITE Command (Inbound)""
SID: 2037226
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Web_Server, created_at 2022_06_30, deployment Perimeter, malware_family SessionManager, signature_severity Major, updated_at 2023_05_11, reviewed_at 2024_01_08
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "SM_SESSION=S5WRITE|3b|"
-
Value: "SM_SESSION=S5WRITE|3b|"
Within:
PCRE:
Special Options:
- http_cookie