""ET TROJAN Trojan.BlackRev Botnet Command Request CnC Beacon""
SID: 2017723
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2013_11_15, deployment Perimeter, signature_severity Major, tag c2, updated_at 2013_11_15, 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: $HTTP_PORTS
Flow: established,to_server
Contents:
-
Value: "/gate.php?cmd="
-
Value: !"Referer|3a 20|"
Within:
PCRE: "/\/gate.php\?cmd=(?:get(?:installconfig|exe)|urls)$/U"
Special Options:
-
http_uri
-
http_header