""ET TROJAN W32/Hyteod.Downloader CnC Beacon""

SID: 2019824

Revision: 1

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2014_12_01, deployment Perimeter, signature_severity Major, tag c2, updated_at 2014_12_01, reviewed_at 2024_03_25, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • 8258c3d8bab63cacf143cf034e2e7c1a

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/payment_gateway/"

  • Value: ".gz"

  • Value: "User-Agent|3A| OperaMini|0D 0A|"

Within:

PCRE: "/^\x2Fpayment_gateway\x2F[a-z0-9]{3,}\x2Egz$/U"

Special Options:

  • http_uri

  • http_uri

  • http_header

source