""ET TROJAN Trojan.Win32.Cosmu.xet CnC Beacon""

SID: 2011278

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2010_09_28, deployment Perimeter, signature_severity Major, tag c2, updated_at 2010_09_29, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • f39554f3afe92dca3597efc1f7709ad4

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "GoGo.ashx?Mac="

  • Value: "&UserId="

  • Value: "&Bate="

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • http_uri

  • http_uri

source