Merge pull request #571 from Yamato-Security/#568-strip-symbols

replaced unnecessary clone use

Cargo.toml

@@ -24,8 +24,6 @@ linked-hash-map = "0.5.*"
 tokio = { version = "1", features = ["full"] }
 num_cpus = "1.13.*"
 downcast-rs = "1.2.0"
-slack-hook = "0.8"
-dotenv = "0.15.*"
 hhmmss = "*"
 pbr = "*"
 hashbrown = "0.12.*"
@@ -37,7 +35,6 @@ krapslog = "*"
 terminal_size = "*"
 bytesize = "1.1"
 hyper = "0.14.19"
-miow = "0.4.0"
 lock_api = "0.4.7"
 crossbeam-utils = "0.8.8"
 
@@ -45,9 +42,6 @@ crossbeam-utils = "0.8.8"
 is_elevated = "0.1.2"
 static_vcruntime = "2.0"
 
-[target.'cfg(unix)'.dependencies] #Mac and Linux
-openssl = { version = "*", features = ["vendored"] }  #vendored is needed to compile statically.
-
 [profile.release]
 lto = true
 strip = "symbols"

src/detections/pivot.rs

@@ -7,7 +7,7 @@ use std::sync::RwLock;
 use crate::detections::configs;
 use crate::detections::utils::get_serde_number_to_string;
 
-#[derive(Debug, Clone)]
+#[derive(Debug)]
 pub struct PivotKeyword {
     pub keywords: HashSet<String>,
     pub fields: HashSet<String>,

src/detections/print.rs

@@ -252,10 +252,10 @@ impl AlertMessage {
                 .as_bytes(),
             )
             .ok();
-        let error_logs = ERROR_LOG_STACK.lock().unwrap().clone();
-        for error_log in error_logs.iter() {
+        let error_logs = ERROR_LOG_STACK.lock().unwrap();
+        error_logs.iter().for_each(|error_log| {
             writeln!(error_log_writer, "{}", error_log).ok();
-        }
+        });
         println!(
             "Errors were generated. Please check {} for details.",
             *ERROR_LOG_PATH

src/main.rs

@@ -13,6 +13,7 @@ use git2::Repository;
 use hashbrown::{HashMap, HashSet};
 use hayabusa::detections::configs::{load_pivot_keywords, TargetEventTime};
 use hayabusa::detections::detection::{self, EvtxRecordInfo};
+use hayabusa::detections::pivot::PivotKeyword;
 use hayabusa::detections::pivot::PIVOT_KEYWORD;
 use hayabusa::detections::print::{
     AlertMessage, ERROR_LOG_PATH, ERROR_LOG_STACK, LOGONSUMMARY_FLAG, PIVOT_KEYWORD_LIST_FLAG,
@@ -31,6 +32,7 @@ use serde_json::Value;
 use std::cmp::Ordering;
 use std::ffi::{OsStr, OsString};
 use std::fmt::Display;
+use std::fmt::Write as _;
 use std::fs::create_dir;
 use std::io::{BufWriter, Write};
 use std::path::Path;
@@ -152,8 +154,8 @@ impl App {
         }
 
         if let Some(csv_path) = configs::CONFIG.read().unwrap().args.value_of("output") {
-            let pivot_key_unions = PIVOT_KEYWORD.read().unwrap().clone();
-            for (key, _) in pivot_key_unions.iter() {
+            let pivot_key_unions = PIVOT_KEYWORD.read().unwrap();
+            pivot_key_unions.iter().for_each(|(key, _)| {
                 let keywords_file_name = csv_path.to_owned() + "-" + key + ".txt";
                 if Path::new(&keywords_file_name).exists() {
                     AlertMessage::alert(&format!(
@@ -161,9 +163,8 @@ impl App {
                         &keywords_file_name
                     ))
                     .ok();
-                    return;
                 }
-            }
+            });
             if Path::new(csv_path).exists() {
                 AlertMessage::alert(&format!(
                     " The file {} already exists. Please specify a different filename.",
@@ -295,59 +296,54 @@ impl App {
         }
 
         if *PIVOT_KEYWORD_LIST_FLAG {
+            let pivot_key_unions = PIVOT_KEYWORD.read().unwrap();
+            let create_output = |mut output: String, key: &String, pivot_keyword: &PivotKeyword| {
+                write!(output, "{}: ", key).ok();
+
+                write!(output, "( ").ok();
+                for i in pivot_keyword.fields.iter() {
+                    write!(output, "%{}% ", i).ok();
+                }
+                writeln!(output, "):").ok();
+
+                for i in pivot_keyword.keywords.iter() {
+                    writeln!(output, "{}", i).ok();
+                }
+                writeln!(output).ok();
+
+                output
+            };
+
             //ファイル出力の場合
             if let Some(pivot_file) = configs::CONFIG.read().unwrap().args.value_of("output") {
-                let pivot_key_unions = PIVOT_KEYWORD.read().unwrap().clone();
-                for (key, pivot_keyword) in pivot_key_unions.iter() {
+                pivot_key_unions.iter().for_each(|(key, pivot_keyword)| {
                     let mut f = BufWriter::new(
                         fs::File::create(pivot_file.to_owned() + "-" + key + ".txt").unwrap(),
                     );
-                    let mut output = "".to_string();
-                    output += &format!("{}: ", key).to_string();
-
-                    output += "( ";
-                    for i in pivot_keyword.fields.iter() {
-                        output += &format!("%{}% ", i).to_string();
-                    }
-                    output += "):";
-                    output += "\n";
-
-                    for i in pivot_keyword.keywords.iter() {
-                        output += &format!("{}\n", i).to_string();
-                    }
-
-                    f.write_all(output.as_bytes()).unwrap();
-                }
-
+                    f.write_all(create_output(String::default(), key, pivot_keyword).as_bytes())
+                        .unwrap();
+                });
                 //output to stdout
                 let mut output =
                     "Pivot keyword results saved to the following files:\n".to_string();
 
-                for (key, _) in pivot_key_unions.iter() {
-                    output += &(pivot_file.to_owned() + "-" + key + ".txt" + "\n");
-                }
+                pivot_key_unions.iter().for_each(|(key, _)| {
+                    writeln!(output, "{}", &(pivot_file.to_owned() + "-" + key + ".txt")).ok();
+                });
                 write_color_buffer(BufferWriter::stdout(ColorChoice::Always), None, &output).ok();
             } else {
                 //標準出力の場合
-                let mut output = "The following pivot keywords were found:\n".to_string();
-                let pivot_key_unions = PIVOT_KEYWORD.read().unwrap().clone();
-                for (key, pivot_keyword) in pivot_key_unions.iter() {
-                    output += &format!("{}: ", key).to_string();
-
-                    output += "( ";
-                    for i in pivot_keyword.fields.iter() {
-                        output += &format!("%{}% ", i).to_string();
-                    }
-                    output += "):";
-                    output += "\n";
-
-                    for i in pivot_keyword.keywords.iter() {
-                        output += &format!("{}\n", i).to_string();
-                    }
-
-                    output += "\n";
-                }
+                let output = "The following pivot keywords were found:".to_string();
                 write_color_buffer(BufferWriter::stdout(ColorChoice::Always), None, &output).ok();
+
+                pivot_key_unions.iter().for_each(|(key, pivot_keyword)| {
+                    write_color_buffer(
+                        BufferWriter::stdout(ColorChoice::Always),
+                        None,
+                        &create_output(String::default(), key, pivot_keyword),
+                    )
+                    .ok();
+                });
             }
         }
     }

src/notify/mod.rs

@@ -1 +1 @@
-pub mod slack;
+

src/notify/slack.rs

@@ -1,57 +0,0 @@
-extern crate slack_hook;
-use dotenv::dotenv;
-use slack_hook::{PayloadBuilder, Slack};
-use std::env;
-
-pub struct SlackNotify {}
-
-impl SlackNotify {
-    // Check if Slack is configured.
-    pub fn check_setting() -> bool {
-        dotenv().ok();
-        if env::var("CHANNEL").is_err() {
-            eprintln!("Channel not found");
-            return false;
-        }
-
-        if env::var("WEBHOOK_URL").is_err() {
-            eprintln!("WEBHOOK_URL not found");
-            return false;
-        }
-        true
-    }
-
-    // send message to slack.
-    pub fn notify(msg: String) -> Result<(), String> {
-        dotenv().ok();
-        if !SlackNotify::check_setting() {
-            return Ok(());
-        }
-
-        let channel = env::var("CHANNEL").expect("CHANNEL is not found");
-        let webhook_url = env::var("WEBHOOK_URL").expect("WEBHOOK_URL is not found");
-        let ret = SlackNotify::_send_to_slack(msg, &channel, &webhook_url);
-        if ret.is_ok() {
-            Ok(())
-        } else {
-            Err("Slack Notification Failed.".to_string())
-        }
-    }
-
-    fn _send_to_slack(
-        msg: String,
-        channel: &str,
-        webhook_url: &str,
-    ) -> Result<(), slack_hook::Error> {
-        let slack = Slack::new(webhook_url).unwrap();
-        let p = PayloadBuilder::new()
-            .text(msg)
-            .channel(channel)
-            .username("hayabusa Notify Bot")
-            .icon_emoji(":scream:")
-            .build()
-            .unwrap();
-
-        slack.send(&p)
-    }
-}