""ET TROJAN NOBELIUM - Cobalt Strike Malleable Profile M2""
SID: 2035216
Revision: 3
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2022_02_18, performance_impact Significant, signature_severity Major, updated_at 2024_04_30
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "Cache-Control|3a 20|no-cache"
-
Value: ".html"
-
Value: "Content-Type|3a 20|text/html|0d 0a|"
Within:
PCRE: "/^[a-zA-Z0-9+-_]{170,}.html$/C"
Special Options:
-
http_method
-
http_header
-
http_cookie
-
http_header
-
fast_pattern