""ET TROJAN W32/Bilakip.A Downloader API Ping CnC Beacon""
SID: 2016273
Revision: 1
Class Type: trojan-activity
Metadata: attack_target Client_Endpoint, created_at 2013_01_25, deployment Perimeter, signature_severity Major, tag c2, updated_at 2013_01_25, 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: "/api/ping?stage="
-
Value: "&uid="
Within:
PCRE:
Special Options:
-
http_uri
-
http_uri