""ET TROJAN Win32/Valak <v9 Checkin""
SID: 2029192
Revision: 3
Class Type: trojan-activity
Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_10_22, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_12_22
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "GET"
-
Value: "_bm9uY2U9"
-
Value: "dmVyc2lvbj"
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/.html$/U"
Special Options:
-
http_method
-
http_uri
-
fast_pattern
-
http_uri
-
http_header