""ET TROJAN Woody RAT CnC Checkin""
SID: 2037941
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_08_04, deployment Perimeter, deployment SSLDecrypt, malware_family WoodyRAT, performance_impact Low, signature_severity Major, updated_at 2022_08_04
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 /knock HTTP/1.1"
Offset: 0
-
Value: !"Referer|3a 20|"
-
Value: "as="
Within:
PCRE: "/as\=[a-f0-9]{24}.[a-f0-9]{16}/C"
Special Options:
-
fast_pattern
-
http_header
-
http_cookie