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

SID: 2018097

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

• df5ab239bdf09a8716cabbdfa1d6a724

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

• Value: "200"

• Value: "hi!<|2F|body><|2F|html>"

Within: 30

PCRE:

Special Options:

• http_stat_code

• file_data

source