""ET TROJAN W32/Ke3chang.BMW.APT Campaign CnC Beacon""
SID: 2017858
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2013_12_13, deployment Perimeter, signature_severity Major, tag c2, updated_at 2013_12_13, 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: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "POST"
-
Value: ".aspx?Random="
Within:
PCRE: "/^\x2F(?:acheb|bajree|cyacrin|dauber|eaves)\x2Easpx\x3FRandom\x3D[a-z]{16}$/Ui"
Special Options:
-
http_method
-
http_uri