""ET TROJAN W32/Rshot.Backdoor File Upload CnC Beacon""

SID: 2018100

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_02_10, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_02_10, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 08881eb702a1525f7792c3fef19ae9ff

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: "/uploadb.php?"

  • Value: "name=|22|archivo|22|"

  • Value: ".dmp|22|"

Within:

PCRE:

Special Options:

  • http_method

  • fast_pattern

  • http_uri

  • http_client_body

  • http_client_body

source