""ET TROJAN W32/Antifulai.APT CnC Beacon 2""
SID: 2018632
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2014_07_03, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_07_03, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel
Reference:
Protocol: tcp
Source Network: $HOME_NET
Source Port: any
Destination Network: $EXTERNAL_NET
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
- Value: ".php?file"
Within:
PCRE: "/^\x2F[^\x2F]+\x2Fin(?:fo|dex)\x2Ephp\x3Ffile(?:index\x3D[A-Z]|n\x3Dnoexist|wh\x3Dfalse)/U"
Special Options:
- http_uri