""ET TROJAN W32/Asprox.ClickFraudBot POST CnC Beacon""

SID: 2018098

Revision: 2

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_14, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel

Reference:

  • md5

  • df5ab239bdf09a8716cabbdfa1d6a724

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: "/b/"

Within:

PCRE: "/^\x2Fb\x2F[a-z]{3,4}\x2F[a-f0-9]{24}$/Ui"

Special Options:

  • http_method

  • http_uri

source