""ET TROJAN MirrorBlast CnC Activity M2""

SID: 2034022

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_09_24, deployment Perimeter, malware_family MirrorBlast, performance_impact Low, signature_severity Major, updated_at 2021_09_24

Reference:

  • md5

  • 6b59a4657eb90d92590f5a183d9d1e77

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "=bmFtZT"

  • Value: "User-Agent|3a 20|REBOL"

Within:

PCRE: "/bmFtZT.{0,200}(?:JmJ1aWxkP|YnVpbGQ9|ZidWlsZD)/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

source