""ET TROJAN JS/Nemucod requesting EXE payload 2015-12-01""

SID: 2022207

Revision: 3

Class Type: trojan-activity

Metadata: created_at 2015_12_02, updated_at 2020_06_09

Reference:

  • md5

  • 77290f994d05ad0add5768c9c040dc55

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: to_server,established

Contents:

  • Value: "GET"

  • Value: ".exe?"

  • Value: !"Referer|3a| "

  • Value: !"User-Agent|3a| BlueCoat"

  • Value: "MSIE 7.0"

Within:

PCRE: "/\/[0-9]{2}.exe\?[0-9]$/iU"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • nocase

  • nocase

  • http_header

  • nocase

  • http_header

  • http_header

source