""ET TROJAN China Chopper Command Struct""
SID: 2017313
Revision: 2
Class Type: trojan-activity
Metadata: created_at 2013_08_12, updated_at 2013_08_12
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: $HTTP_SERVERS
Destination Port: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "FromBase64String"
-
Value: "unsafe"
-
Value: "eval("
-
Value: "POST"
Within:
PCRE: "/&z\d{1,3}=/Pi"
Special Options:
-
fast_pattern
-
nocase
-
http_method