""ET TROJAN Possible Maldoc Downloading EXE Jul 26 2016""

SID: 2022983

Revision: 3

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_07_26, deployment Perimeter, former_category CURRENT_EVENTS, malware_family MalDocGeneric, performance_impact Low, signature_severity Major, tag MalDoc, updated_at 2022_04_18

Reference:

  • md5

  • 82fb5101847e734dd9b36f51f1fc73e3

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: !".exe"

  • Value: "|3a 20|Microsoft BITS"

  • Value: !".microsoft.com|0d 0a|"

Within:

PCRE: "/\/(?:[a-z0-9]+_){4,}[a-z0-9]+(?:\/[a-f0-9]+)*?\/[a-f0-9]+.(?![Ee][Xx][Ee])[a-z0-9]+$/U"

Special Options:

  • http_uri

  • nocase

  • http_header

  • fast_pattern

  • http_header

  • nocase

source