""ET TROJAN Win32/Neurevt.A/Betabot Check-in 4""

SID: 2018784

Revision: 8

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2014_07_25, deployment Perimeter, malware_family Neurevt, performance_impact Moderate, signature_severity Major, updated_at 2024_04_08, reviewed_at 2024_03_08

Reference:

  • md5

  • 5eada3ed47d7557df375d8798d2e0a8b

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "POST"

  • Value: !".aspx"

  • Value: !"Accept"

  • Value: "Content-Type|3a 20|application/x-www-form-urlencoded" Depth: 47

  • Value: !"id1="

  • Value: "1="

  • Value: "2="

  • Value: "3="

  • Value: "4="

  • Value: !"Zerto.ZVM"

  • Value: !"Referer"

  • Value: !"lavasoft.com|0d 0a|"

  • Value: !"User-Agent|3a 20|SmadavStat"

Within:

PCRE: "/&(?P[a-z]+)1=[A-F0-9]+&(?P=vname)2=[A-F0-9]+&(?P=vname)3=[A-F0-9]+&(?P=vname)4=[A-F0-9]/P"

Special Options:

  • http_method

  • http_uri

  • http_header

  • http_header

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_header

  • http_header

  • http_header

source