[MASOCH-L] Envio de fraude pelo outlook.com

Tue Dec 15 10:01:43 BRST 2015

Desconsiderem os "http://". Problema de copy/paste.

Leandro Carlos Rodrigues
TI All Chemistry do Brasil
(11) 3014-7100

Em 15/12/2015 09:52, Leandro Carlos Rodrigues escreveu:
> Pessoal,
>
> Acabei de me deparar com um caso interessante. A mensagem foi enviada 
> pelo sistema outlook.com <http://outlook.com>, porém sem remetente e 
> sem campo From:
>
> From MAILER-DAEMON Mon Dec 14 08:39:33 2015
> Return-path: <>
> Envelope-to:xxx at allchemistry.com.br <mailto:xxx at allchemistry.com.br>
> Received: frommail-db3hn0251.outbound.protection.outlook.com 
> <http://mail-db3hn0251.outbound.protection.outlook.com> 
> ([157.55.234.251] helo=emea01-db3-obe.outbound.protection.outlook.com 
> <http://emea01-db3-obe.outbound.protection.outlook.com>)
>     byallchem.allchemistry.com.br 
> <http://allchem.allchemistry.com.br>  with esmtp (Exim 4.80)
>     id 1a8QXE-0004J5-VV
>     forxxx at allchemistry.com.br <mailto:xxx at allchemistry.com.br>; Mon, 
> 14 Dec 2015 08:39:33 -0200
> Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=<>;
> Received: from [10.0.0.218] (169.0.153.62) by
>  DB5PR09MB0568.eurprd09.prod.outlook.com 
> <http://DB5PR09MB0568.eurprd09.prod.outlook.com> (10.161.200.28) with 
> Microsoft SMTP
>  Server (TLS) id 15.1.337.19; Mon, 14 Dec 2015 10:38:59 +0000
> Content-Type: text/plain; charset="utf-8"
> MIME-Version: 1.0
> Content-Transfer-Encoding: quoted-printable
> Content-Description: Mail message body
> Subject: Mrs.Maria Shawaan
> To: Recipients
> From: <>
> Date: Mon, 14 Dec 2015 00:38:41 -0800
> X-Originating-IP: [169.0.153.62]
> X-ClientProxiedBy:AM3PR05CA0076.eurprd05.prod.outlook.com 
> <http://AM3PR05CA0076.eurprd05.prod.outlook.com> (25.162.114.44) To
>  DB5PR09MB0568.eurprd09.prod.outlook.com 
> <http://DB5PR09MB0568.eurprd09.prod.outlook.com> (25.161.200.28)
> Message-ID: 
> <DB5PR09MB0568D773AB99D3A490EEE929B8ED0 at DB5PR09MB0568.eurprd09.prod.outlook.com 
> <mailto:DB5PR09MB0568D773AB99D3A490EEE929B8ED0 at DB5PR09MB0568.eurprd09.prod.outlook.com>> 
>
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>
> X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DB5PR09MB0568;
> X-Microsoft-Antispam-PRVS: 
> <DB5PR09MB056801D8CE74116A198FE5D3B8ED0 at DB5PR09MB0568.eurprd09.prod.outlook.com 
> <mailto:DB5PR09MB056801D8CE74116A198FE5D3B8ED0 at DB5PR09MB0568.eurprd09.prod.outlook.com>> 
>
> X-Exchange-Antispam-Report-Test: UriScan:;
> X-Exchange-Antispam-Report-CFA-Test: 
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> X-Forefront-PRVS: 0790FB1F33
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> Received-SPF: None (protection.outlook.com 
> <http://protection.outlook.com>: [10.0.0.218] does not designate
>  permitted sender hosts)
> X-Microsoft-Exchange-Diagnostics: 
> 1;DB5PR09MB0568;23:8n9wbLZJPNu60xy4mlC6o5EPo6P3GJTdZsAcIZwkxevFOhw2GIAFySIQQkAVcNTYkaq3CuKBn8o1yHiBrg2UE+kbQL8U+1R3z9l5rvSgsHe3slWAGPRLWDBP68QNQjPvoiRl8fZZO+AcQpymquyEeFFtQksztQYENhC9UUPvbGKB/N7XwHaLks2L+p8WIp7fcGQb1we+oUBumQq4LYoG+rx0Q6udfHGvu28fwGEjEAKJoh79sv2/1mOqazKvhpKo8W2R8i1dKY9KFbmVVyGkpJu11kYOa/GEGjpSiRVoZFY=;5:fK+NQb7+BOWnjyDnAD20kr2UTqNSqmAPLtBEJxPvnLxi8uthvvOWDUVIrAiGxR+O75RlzVKWCb3nDoLJloSIBZHlu9aL9Lw8NVbvC0M0D0f+CQOIAuu4KHQrU7knWjrXZLk82cP8xM2ZsSmhrjsRow==;24:hwR2bFS3MRCxgTYtm3OwC+S36zksHPWQ0+dxjBNHzRjefl8CXLado22vSCysUhu4OK7v8HJZMUNdLDmMe2EOkQ==
> SpamDiagnosticOutput: 1:22
> SpamDiagnosticMetadata: 00000000%2D0000%2D0000%2D0000%2D000000000000
> X-OriginatorOrg:TicoTato480.onmicrosoft.com 
> <http://TicoTato480.onmicrosoft.com>
> X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Dec 2015 10:38:59.8962
>  (UTC)
> X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
> X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB5PR09MB0568
> Received-SPFBL: 
> NONEhttp://matrix.spfbl.net/spam/lG8rXFqVQh7HAx2ABAgZj1NqT8Y+UVR+72saM7ElUEtoyvHFOsSxrmxLZymRxjiV40MshCEyu6AB25WhYP1zrg6hNq+rbEZshHaoYtUfkJZWWPT+TuOLL/xXqY75BC1d 
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> suspect content message.
> X-Spam-Flag: YES
>
> Quando vi isso, me veio a ideia de pesquisar na base de dados de 
> e-mails recebidos aqui usando os seguintes critérios:
>
>  * Return-path equals "<>"
>  *  From not contains "@"
>  * Received contains ".outlook.com <http://outlook.com>"
>
> Bingo! Todos os casos assim foram SPAM (todos fraude), sem exceção. 
> Gostaria de pedir para vocês fazerem a mesma pesquisa nos históricos 
> de vocês para a gente confirmar uma nova regra de bloqueio na seção 
> DATA que estou bolando aqui. Abraços,
>
> Leandro Carlos Rodrigues
> TI All Chemistry do Brasil
> (11) 3014-7100
> __
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