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Small script refinements and documentation updates.
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18 changed files with 126 additions and 102 deletions
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@ -38,7 +38,8 @@ export {
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const ignore_guessers: table[subnet] of subnet &redef;
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## Keeps track of hosts identified as guessing passwords.
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global password_guessers: set[addr] &read_expire=guessing_timeout+1hr &synchronized;
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global password_guessers: set[addr]
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&read_expire=guessing_timeout+1hr &synchronized &redef;
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}
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event bro_init()
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@ -1,8 +1,8 @@
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##! This implements all of the additional information and geodata detections
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##! for SSH analysis.
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@load base/frameworks/notice/main
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@load base/protocols/ssh/main
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@load base/frameworks/notice
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@load base/protocols/ssh
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module SSH;
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@ -11,17 +11,17 @@ export {
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## If an SSH login is seen to or from a "watched" country based on the
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## :bro:id:`SSH::watched_countries` variable then this notice will
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## be generated.
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Login_From_Watched_Country,
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Watched_Country_Login,
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};
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redef record Info += {
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## Add geographic data related to the "remote" host of the connection.
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remote_location: geo_location &log &optional;
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};
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## The set of countries for which you'd like to throw notices upon
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## successful login
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const watched_countries: set[string] = {"RO"} &redef;
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redef record Info += {
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## Add geographic data related to the "remote" host of the connection.
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remote_location: geo_location &log &optional;
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};
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}
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event SSH::heuristic_successful_login(c: connection) &priority=5
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@ -35,8 +35,10 @@ event SSH::heuristic_successful_login(c: connection) &priority=5
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if ( location?$country_code && location$country_code in watched_countries )
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{
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NOTICE([$note=Login_From_Watched_Country,
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NOTICE([$note=Watched_Country_Login,
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$conn=c,
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$msg=fmt("SSH login from watched country: %s", location$country_code)]);
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$msg=fmt("SSH login %s watched country: %s",
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(c$ssh$direction == OUTBOUND) ? "to" : "from",
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location$country_code)]);
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}
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}
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@ -1,4 +1,7 @@
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@load base/frameworks/software/main
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##! This script extracts SSH client and server information from SSH
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##! connections and forwards it to the software framework.
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@load base/frameworks/software
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module SSH;
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