""ET CURRENT_EVENTS Sakura/RedKit obfuscated URL""
SID: 2015858
Revision: 2
Class Type: bad-unknown
Metadata: created_at 2012_11_01, updated_at 2013_02_04, mitre_tactic_id TA0005, mitre_tactic_name Defense_Evasion, mitre_technique_id T1027, mitre_technique_name Obfuscated_Files_or_Information
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,from_server
Contents:
- Value: "<applet"
Within:
PCRE: "/^((?!<\/applet>).)+?\/.{1,12}\/.{1,12}\x3a.{1,12}p.{1,12}t.{1,12}t.{1,12}h/Rs"
Special Options:
- file_data