""ET TROJAN Win32/STEALBIT Data Exfiltration Tool Activity (PUT)""
SID: 2036280
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_04_20, deployment Perimeter, signature_severity Critical, updated_at 2023_05_30
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "PUT"
-
Value: "DAV2" Depth: 10
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/^\/[A-F0-9]{33}$/U"
Special Options:
-
http_method
-
fast_pattern
-
http_client_body
-
http_header