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161 line
5.8 KiB
Plaintext
161 line
5.8 KiB
Plaintext
# Composites setup
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# Please don't modify this file as your changes might be overwritten with
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# the next update.
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#
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# You can modify 'local.d/composites.conf' to add and merge
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# parameters defined inside this section
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#
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# You can modify 'override.d/composites.conf' to strictly override all
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# parameters defined inside this section
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#
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# See https://rspamd.com/doc/faq.html#what-are-the-locald-and-overrided-directories
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# for details
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#
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# See https://rspamd.com/doc/tutorials/writing_rules.html and
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# https://rspamd.com/doc/configuration/composites.html for details
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composites {
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FORGED_RECIPIENTS_MAILLIST {
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expression = "FORGED_RECIPIENTS & -MAILLIST";
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}
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FORGED_SENDER_MAILLIST {
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expression = "FORGED_SENDER & -MAILLIST";
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}
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FORGED_SENDER_FORWARDING {
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expression = "FORGED_SENDER & g:forwarding";
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description = "Forged sender, but message is forwarded";
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policy = "remove_weight";
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}
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SPF_FAIL_FORWARDING {
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expression = "g:forwarding & (R_SPF_SOFTFAIL | R_SPF_FAIL)";
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policy = "remove_weight";
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}
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DMARC_POLICY_ALLOW_WITH_FAILURES {
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expression = "DMARC_POLICY_ALLOW & (R_SPF_SOFTFAIL | R_SPF_FAIL | R_DKIM_REJECT)";
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policy = "remove_weight";
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}
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FORGED_RECIPIENTS_FORWARDING {
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expression = "FORGED_RECIPIENTS & g:forwarding";
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policy = "remove_weight";
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}
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FORGED_SENDER_VERP_SRS {
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expression = "FORGED_SENDER & (ENVFROM_PRVS | ENVFROM_VERP)";
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}
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FORGED_MUA_MAILLIST {
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expression = "g:mua & -MAILLIST";
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}
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RBL_SPAMHAUS_XBL_ANY {
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expression = "RBL_SPAMHAUS_XBL & RECEIVED_SPAMHAUS_XBL";
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description = "From and Received address are listed in Spamhaus XBL";
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}
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AUTH_NA {
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expression = "R_DKIM_NA & R_SPF_NA & DMARC_NA & ARC_NA";
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score = 1.0;
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policy = "remove_weight";
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description = "Authenticating message via SPF/DKIM/DMARC/ARC not possible";
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}
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DKIM_MIXED {
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expression = "-R_DKIM_ALLOW & (R_DKIM_DNSFAIL | R_DKIM_PERMFAIL | R_DKIM_REJECT)"
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policy = "remove_weight";
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}
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MAIL_RU_MAILER_BASE64 {
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expression = "MAIL_RU_MAILER & (FROM_EXCESS_BASE64 | MIME_BASE64_TEXT | REPLYTO_EXCESS_BASE64 | SUBJ_EXCESS_BASE64 | TO_EXCESS_BASE64)";
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}
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YANDEX_RU_MAILER_CTYPE_MIXED_BOGUS {
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expression = "YANDEX_RU_MAILER & -HAS_ATTACHMENT & CTYPE_MIXED_BOGUS";
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}
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MAILER_1C_8_BASE64 {
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expression = "MAILER_1C_8 & (FROM_EXCESS_BASE64 | MIME_BASE64_TEXT | SUBJ_EXCESS_BASE64 | TO_EXCESS_BASE64)";
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description = "Message was sent by '1C:Enterprise 8' and uses base64 encoded data";
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}
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HACKED_WP_PHISHING {
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expression = "(HAS_X_POS | HAS_PHPMAILER_SIG) & HAS_WP_URI & (PHISHING | DBL_PHISH | PHISHED_OPENPHISH | PHISHED_PHISHTANK)";
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description = "Phish message sent by hacked Wordpress instance";
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policy = "leave";
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}
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COMPROMISED_ACCT_BULK {
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expression = "(HAS_XOIP | RCVD_FROM_SMTP_AUTH) & DCC_BULK";
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description = "Likely to be from a compromised account";
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score = 3.0;
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policy = "leave";
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}
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UNDISC_RCPTS_BULK {
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expression = "DCC_BULK & (MISSING_TO | R_UNDISC_RCPT)";
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description = "Missing or undisclosed recipients with a bulk signature";
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score = 3.0;
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policy = "leave";
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}
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RCVD_UNAUTH_PBL {
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expression = "RECEIVED_PBL & !RCVD_VIA_SMTP_AUTH";
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description = "Relayed through ZEN PBL IP without sufficient authentication (possible indicating an open relay)";
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score = 2.0;
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policy = "leave";
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}
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RCVD_DKIM_ARC_DNSWL_MED {
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expression = "(R_DKIM_ALLOW | ARC_ALLOW) & RCVD_IN_DNSWL_MED";
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description = "Sufficiently DKIM/ARC signed and received from IP with medium trust at DNSWL";
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score = -0.5;
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policy = "leave";
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}
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RCVD_DKIM_ARC_DNSWL_HI {
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expression = "(R_DKIM_ALLOW | ARC_ALLOW) & RCVD_IN_DNSWL_HI";
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description = "Sufficiently DKIM/ARC signed and received from IP with high trust at DNSWL";
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score = -1.0;
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policy = "leave";
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}
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AUTOGEN_PHP_SPAMMY {
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expression = "(HAS_X_POS | HAS_PHPMAILER_SIG | HAS_X_PHP_SCRIPT) & (SUBJECT_ENDS_QUESTION | SUBJECT_ENDS_EXCLAIM | MANY_INVISIBLE_PARTS)";
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description = "Message was generated by PHP script and contains some spam indicators";
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score = 1.0;
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policy = "leave";
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}
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PHISH_EMOTION {
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expression = "(PHISHING | DBL_PHISH | PHISHED_OPENPHISH | PHISHED_PHISHTANK) & (SUBJECT_ENDS_QUESTION | SUBJECT_ENDS_EXCLAIM)";
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description = "Phish message with subject trying to address users emotion";
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score = 1.0;
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policy = "leave";
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}
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HAS_ANON_DOMAIN {
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expression = "HAS_GUC_PROXY_URI | URIBL_RED | DBL_ABUSE_REDIR | HAS_ONION_URI";
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description = "Contains one or more domains trying to disguise owner/destination";
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score = 0.1;
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policy = "leave";
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}
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BAD_REP_POLICIES {
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description = "Contains valid policies but are also marked by fuzzy/bayes/surbl/rbl";
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expression = "(~g-:policies) & (-g+:fuzzy | -g+:bayes | -g+:surbl | -g+:rbl)";
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score = 0.1;
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}
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VIOLATED_DIRECT_SPF {
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description = "Has no Received (or no trusted received relays) and SPF policy fails or soft fails";
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expression = "(R_SPF_FAIL | R_SPF_SOFTFAIL) & (RCVD_COUNT_ZERO | RCVD_NO_TLS_LAST)";
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policy = "leave";
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score = 3.5;
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}
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IP_SCORE_FREEMAIL {
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description = "Negate IP_SCORE when message comes from FreeMail";
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expression = "FREEMAIL_FROM & SENDER_REP_SPAM";
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score = 0.0;
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policy = "remove_weight";
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}
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BROKEN_HEADERS_MAILLIST {
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description = "Negate BROKEN_HEADERS when message comes via some mailing list";
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expression = "BROKEN_HEADERS & -MAILLIST";
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score = 0.0;
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policy = "remove_weight";
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}
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LEAKED_PASSWORD_SCAM {
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description = "Contains BTC wallet address and scam patterns";
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expression = "BITCOIN_ADDR & (LEAKED_PASSWORD_SCAM_RE | R_MIXED_CHARSET | R_EMPTY_IMAGE)";
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policy = "leave";
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score = 7.0;
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group = "scams";
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}
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.include(try=true; priority=1; duplicate=merge) "$LOCAL_CONFDIR/local.d/composites.conf"
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.include(try=true; priority=10) "$LOCAL_CONFDIR/override.d/composites.conf"
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}
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