""ET TROJAN Sakula/Mivast RAT CnC Beacon 7""
SID: 2021570
Revision: 2
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2015_08_01, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_08_01, 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: $HTTP_PORTS
Flow: to_server,established
Contents:
-
Value: "GET"
-
Value: ".jpg?vid="
-
Value: !"Accept"
-
Value: !"Referer|3a|"
Within:
PCRE: "/.jpg\?vid=\d+$/U"
Special Options:
-
http_method
-
http_uri
-
http_header
-
http_header