""ET TROJAN Win32/Agent.WVW CnC Beacon 3""

SID: 2021259

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2015_06_12, deployment Perimeter, signature_severity Major, tag c2, updated_at 2015_06_13, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 1de834aca8905124e1abcd4f71dea062

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: "/cl1"

  • Value: "Referer|3a 20|1|3a|"

  • Value: "Empty|0d 0a|"

Within:

PCRE: "/^\d.\d_(?:64|32)_\d\x3a/R"

Special Options:

  • http_method

  • http_uri

  • http_header

source