""ET TROJAN DDoS.XOR Checkin via HTTP""

SID: 2021336

Revision: 5

Class Type: trojan-activity

Metadata: affected_product Linux, attack_target Client_and_Server, created_at 2015_06_24, deployment Perimeter, malware_family DDoS_XOR, performance_impact Low, signature_severity Major, updated_at 2018_05_18

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "MSIE 6.0|3b 20|Windows NT 5.2|3b 20|SV1|3b 20|TencentTraveler|20 3b 20|.NET CLR 1.1.4322"

Within:

PCRE:

Special Options:

  • http_header

source