""ET TROJAN Bazaloader Variant Activity""

SID: 2031084

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Client_Endpoint, created_at 2020_10_22, deployment Perimeter, deployment SSLDecrypt, malware_family BazaLoader, performance_impact Low, signature_severity Major, updated_at 2020_10_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "HEAD"

  • Value: "/act/pause" Depth: 10

  • Value: "Update|3a 20|/act/pause|0d 0a|"

  • Value: !"Referer"

  • Value: !"User-Agent"

  • Value: !"Accept"

Within:

PCRE: "/\/pause$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_header

  • http_header

  • http_header

  • http_header

source