RecordIDのチェック,構造体の名称変更

src/detections/common.rs

@@ -0,0 +1,48 @@
+use std::collections::HashMap;
+use crate::models::event;
+
+#[derive(Debug)]
+pub struct Common {
+    record_id: u64,
+    date: String,
+    record_id_list : HashMap<String, String>,
+}
+
+impl Common {
+    pub fn new() -> Common {
+        Common {
+            record_id: 0,
+            date: "".to_string(),
+            record_id_list: HashMap::new(),
+        }
+    }
+
+    pub fn disp(&self) {
+        for (record_id, date) in self.record_id_list.iter() { 
+            println!("date:{:?} record-id: {:?}", date, record_id);
+        }
+    }
+
+    pub fn detection(&mut self, system: &event::System, event_data: &HashMap<String, String>) {
+    
+        &self.check_record_id(system);
+
+    }
+    
+
+    //
+    // Record IDがシーケンスになっているかチェック
+    //
+    fn check_record_id(&mut self, system: &event::System) {
+    
+        let event_record_id: u64 = system.event_record_id.parse().unwrap();
+        if self.record_id > 0 && event_record_id - self.record_id > 1 {
+            self.record_id_list.insert(self.record_id.to_string() + " - " + &system.event_record_id.to_string(), 
+                self.date.to_string() + " - " + &system.time_created.system_time.to_string());
+        }
+        self.record_id = event_record_id;
+        self.date = system.time_created.system_time.to_string();
+    }
+
+}
+

src/detections/mod.rs

@@ -1,3 +1,4 @@
+pub mod common;
 pub mod security;
 pub mod system;
 pub mod application;

src/detections/security.rs

@@ -1,4 +1,5 @@
 use std::collections::HashMap;
+use crate::models::event;
 
 #[derive(Debug)]
 pub struct Security {
@@ -26,7 +27,7 @@ impl Security {
         }
     }
 
-    pub fn detection(&mut self, event_id: String, event_data: HashMap<String, String>) {
+    pub fn detection(&mut self, event_id: String, system: &event::System, event_data: HashMap<String, String>) {
     
         if event_id == "4672" {
             &self.se_debug_privilege(event_data);
@@ -41,7 +42,7 @@ impl Security {
         match event_data.get("PrivilegeList") {
             Some(privileage_list) => {
                 match privileage_list.find("SeDebugPrivilege") {
-                    Some(data) => {
+                    Some(_data) => {
     
                         // alert_all_adminが有効であれば、標準出力して知らせる
                         // DeepBlueCLIでは必ず0になっていて、基本的には表示されない。

src/main.rs

@@ -7,6 +7,7 @@ use std::process;
 use std::path::PathBuf;
 use quick_xml::de::{DeError};
 use yamato_event_analyzer::models::event;
+use yamato_event_analyzer::detections::common;
 use yamato_event_analyzer::detections::security;
 use yamato_event_analyzer::detections::system;
 use yamato_event_analyzer::detections::application;
@@ -15,13 +16,13 @@ fn main() -> Result<(), DeError> {
 
     let args: Vec<String> = env::args().collect();
     let fp: PathBuf;
-    if (args.len() > 1) {
+    if args.len() > 1 {
         fp = PathBuf::from(args[1].to_string());
     } else {
         fp = PathBuf::from(format!("./samples/security.evtx"));
     }
     
-    
+    let mut common = common::Common::new();    
     let mut security = security::Security::new();
     let mut system = system::System::new();
     let mut application = application::Application::new();
@@ -37,15 +38,18 @@ fn main() -> Result<(), DeError> {
         match record {
             Ok(r) => {
                 let event: event::Evtx = quick_xml::de::from_str(&r.data)?;
-                let event_id = event.System.EventID.to_string();
+                let event_id = event.system.event_id.to_string();
-
+                let channel = event.system.channel.to_string();
-                if event.System.Channel == "Security" {
                 let event_data = event.parse_event_data();
-                    &security.detection(event_id, event_data);
+                &common.detection(&event.system, &event_data);
-                } else if event.System.Channel == "System" {
+                if channel == "Security" {
+                    &security.detection(event_id, &event.system, event_data);
+                } else if channel == "System" {
                     &system.detection();
-                } else if event.System.Channel == "Application" {
+                } else if channel == "Application" {
                     &application.detection();
+                } else {
+                    //&other.detection();
                 }
             },
             Err(e) => eprintln!("{}", e),
@@ -55,6 +59,7 @@ fn main() -> Result<(), DeError> {
     ////////////////////////////
     // 表示
     ////////////////////////////
+    common.disp();
     security.disp();
 
     Ok(())

src/models/event.rs

@@ -4,55 +4,78 @@ use std::collections::HashMap;
 
 #[derive(Debug, Deserialize, PartialEq)]
 pub struct Data {
-    pub Name: Option<String>,
+    #[serde(rename = "Name")]
+    pub name: Option<String>,
     #[serde(rename = "$value")]
-    pub Text: Option<String>,
+    pub text: Option<String>,
 }
 
 #[derive(Debug, Deserialize, PartialEq)]
-struct TimeCreated {
+pub struct TimeCreated {
-    SystemTime: String,
+    #[serde(rename = "SystemTime")]
+    pub system_time: String,
 }
 
 #[derive(Debug, Deserialize, PartialEq)]
 struct Execution {
-    ProcessID: i32,
+    #[serde(rename = "ProcessID")]
-    ThreadID: i32,
+    process_id: i32,
+    #[serde(rename = "ThreadID")]
+    thread_id: i32,
 }
 
 #[derive(Debug, Deserialize, PartialEq)]
 struct Provider {
-    Name: Option<String>,
+    #[serde(rename = "Name")]
-    Guid: Option<String>,
+    name: Option<String>,
+    #[serde(rename = "Guid")]
+    guid: Option<String>,
 }
 
 #[derive(Debug, Deserialize, PartialEq)]
 pub struct System {
-    Provider: Provider,
+    #[serde(rename = "Provider")]
-    pub EventID: String,
+    provider: Provider,
-    Version: Option<String>,
+    #[serde(rename = "EventID")]
-    Level: String,
+    pub event_id: String,
-    Task: String,
+    #[serde(rename = "Version")]
-    Opcode: Option<String>,
+    version: Option<String>,
-    Keywords: String,
+    #[serde(rename = "Level")]
-    TimeCreated: TimeCreated,
+    level: String,
-    EventRecordID: String,
+    #[serde(rename = "Task")]
-    Correlation: Option<String>,
+    task: String,
-    Execution: Option<Execution>,
+    #[serde(rename = "Opcode")]
-    pub Channel: String, // Security, System, Application ...etc
+    opcode: Option<String>,
-    Computer: String,
+    #[serde(rename = "Keywords")]
-    Security: String,
+    keywords: String,
+    #[serde(rename = "TimeCreated")]
+    pub time_created: TimeCreated,
+    #[serde(rename = "EventRecordID")]
+    pub event_record_id: String,
+    #[serde(rename = "Correlation")]
+    correlation: Option<String>,
+    #[serde(rename = "Execution")]
+    execution: Option<Execution>,
+    #[serde(rename = "Channel")]
+    pub channel: String, // Security, System, Application ...etc
+    #[serde(rename = "Computer")]
+    computer: String,
+    #[serde(rename = "Security")]
+    security: String,
 }
 
 #[derive(Debug, Deserialize, PartialEq)]
 pub struct EventData {
-    pub Data: Option<Vec<Data>>,
+    #[serde(rename = "Data")]
+    pub data: Option<Vec<Data>>,
 }
 
 #[derive(Debug, Deserialize, PartialEq)]
 pub struct Evtx {
-    pub System: System,
+    #[serde(rename = "System")]
-    pub EventData: Option<EventData>,
+    pub system: System,
+    #[serde(rename = "EventData")]
+    pub event_data: Option<EventData>,
 }
 
 impl Evtx {
@@ -62,7 +85,7 @@ impl Evtx {
     //
     fn get_string(v: &Data) -> String {
     
-        match &v.Text {
+        match &v.text {
             Some(text) => {
                 return text.to_string();
             },
@@ -73,15 +96,15 @@ impl Evtx {
     //
     // EventDataをHashMapとして取得する
     //
-    pub fn parse_event_data(self) -> HashMap<String,String> {
+    pub fn parse_event_data(&self) -> HashMap<String,String> {
         let mut values = HashMap::new();
     
-        match self.EventData {
+        match &self.event_data {
             Some(event_data) =>
-                match event_data.Data {
+                match &event_data.data {
                     Some(data) => {
                         for v in data.iter() {
-                            match &v.Name {
+                            match &v.name {
                                 Some(name) => {
                                     values.insert(name.to_string(), Evtx::get_string(v));
                                 },