""ET TROJAN MirrorBlast KiXtart Downloader Client Request M2""

SID: 2034136

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_10_06, deployment Perimeter, malware_family MirrorBlast, performance_impact Moderate, signature_severity Major, updated_at 2021_10_06

Reference:

  • md5

  • 8b6199f5d5465c327c8c30ac9fdfd23a

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET /?data=" Depth: 11

  • Value: "/?data=" Depth: 7

  • Value: !"="

  • Value: "|3a|"

  • Value: "|3a|"

  • Value: "Accept|3a 20|" Depth: 8

  • Value: !"Referer|3a 20|"

Within: 17

PCRE: "/\x3a\x20[^\r\n]+\r\nAccept-Encoding\x3a\x20[^\r\n]+\r\nUser-Agent\x3a\x20[^\r\n]+\r\nHost\x3a\x20[^\r\n]+\r\nConnection\x3a\x20Keep-Alive[\r\n]+$/H"

Special Options:

  • fast_pattern

  • http_uri

  • http_uri

  • http_uri

  • http_uri

  • http_header

  • http_header

source