""ET TROJAN Win32/Trapwot FakeAV Post Infection CnC Beacon""

SID: 2020645

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_03_09, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_03_09, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • fc962cb08f62e3d6368500a8e747cf73

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/rp?"

  • Value: "v="

  • Value: "a="

  • Value: "u="

  • Value: "d="

  • Value: !"Accept"

  • Value: !"Referer|3a|"

Within:

PCRE: "/^\/(?:[^\x2f]+\/)?rp\?[a-z]=/U"

Special Options:

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • http_header

source