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use std::error::Error;
use std::fmt::{Debug, Formatter};
use std::fs::File;
use std::io::Write;
use std::path::Path;
use std::time::SystemTime;
use chrono::{DateTime, Local};
use log::error;
use crate::config::{Config, Param};
use crate::connectors::connectors::Connectors;
use crate::predictions::prediction::input_tensors::VecvecCappedF32;
use crate::process::{ProcessRecord, ProcessState};
use crate::utils::{FILE_TIME_FORMAT, LONG_TIME_FORMAT};
pub struct ActionsOnKill {
actions: Vec<Box<dyn ActionOnKill>>,
}
pub struct WriteReportFile();
pub struct WriteReportHtmlFile();
pub trait ActionOnKill {
fn run(
&self,
config: &Config,
proc: &ProcessRecord,
pred_mtrx: &VecvecCappedF32,
prediction: f32,
now: &String,
) -> Result<(), Box<dyn Error>>;
}
impl ActionsOnKill {
pub fn new() -> ActionsOnKill {
ActionsOnKill {
actions: vec![
Box::new(WriteReportFile()),
Box::new(WriteReportHtmlFile()),
Box::new(Connectors),
],
}
}
pub fn run_actions(
&self,
config: &Config,
proc: &ProcessRecord,
pred_mtrx: &VecvecCappedF32,
prediction: f32,
) {
let now = (DateTime::from(SystemTime::now()) as DateTime<Local>)
.format(FILE_TIME_FORMAT)
.to_string();
for action in &self.actions {
action
.run(config, proc, pred_mtrx, prediction, &now)
.unwrap_or_else(|e| error!("Error with post_kill action: {}", e));
}
}
}
impl ActionOnKill for WriteReportFile {
fn run(
&self,
config: &Config,
proc: &ProcessRecord,
_pred_mtrx: &VecvecCappedF32,
prediction: f32,
now: &String,
) -> Result<(), Box<dyn Error>> {
let report_dir = Path::new(&config[Param::ConfigPath]).join("threats");
if !report_dir.exists() {
error!(
"Cannot Write report file: dir does not exist: {}",
report_dir.to_str().unwrap()
);
} else {
let temp = report_dir.join(Path::new(&format!(
"{}_{}_report_{}.log",
&proc.appname.replace(".", "_"),
now,
&proc.gid,
)));
let report_path = temp.to_str().unwrap_or("");
println!("{}", report_path);
let mut file = File::create(Path::new(&report_path))?;
let stime_started: DateTime<Local> = proc.time_started.into();
file.write_all(b"Owlyshield report file\n\n")?;
file.write_all(
format!("Ransomware detected running from: {}\n\n", proc.appname).as_bytes(),
)?;
file.write_all(
format!("Started at {}\n", stime_started.format(LONG_TIME_FORMAT)).as_bytes(),
)?;
file.write_all(
format!(
"Killed at {}\n\n",
DateTime::<Local>::from(proc.time_killed.unwrap_or(SystemTime::now()))
.format(LONG_TIME_FORMAT)
)
.as_bytes(),
)?;
file.write_all(format!("Certainty: {}\n\n", prediction).as_bytes())?;
file.write_all(b"Files modified:\n")?;
for f in &proc.fpaths_updated {
file.write_all(format!("\t{:?}\n", f).as_bytes())?;
}
}
Ok(())
}
}
impl ActionOnKill for WriteReportHtmlFile {
fn run(
&self,
config: &Config,
proc: &ProcessRecord,
_pred_mtrx: &VecvecCappedF32,
prediction: f32,
now: &String,
) -> Result<(), Box<dyn Error>> {
let report_dir = Path::new(&config[Param::ConfigPath]).join("threats");
if !report_dir.exists() {
error!(
"Cannot Write report file: dir does not exist: {}",
report_dir.to_str().unwrap()
);
} else {
let temp = match proc.process_state {
ProcessState::Suspended => report_dir.join(Path::new(&format!(
"~{}_{}_report_{}.html",
&proc.appname.replace(".", "_"),
now,
&proc.gid,
))),
_ => report_dir.join(Path::new(&format!(
"{}_{}_report_{}.html",
&proc.appname.replace(".", "_"),
now,
&proc.gid,
))),
};
let report_path = temp.to_str().unwrap_or("");
println!("{}", report_path);
let mut file = File::create(Path::new(&report_path))?;
let stime_started: DateTime<Local> = proc.time_started.into();
file.write_all(b"<!DOCTYPE html><html><head>")?;
file.write_all(format!("<title>Owlyshield Report {}</title><link rel='icon' href='https://static.thenounproject.com/png/3420953-200.png'/><meta name='viewport' content='width=device-width, initial-scale=1'/>\n", proc.gid).as_bytes())?;
file.write_all(b"<style>body{font-family: Arial;}.tab{overflow: hidden;border: 1px solid #ccc;background-color: #f1f1f1;}.tab button{background-color: inherit; float: inherit; border: none; outline: none; cursor: pointer; padding: 14px 16px; transition: 0.3s; font-size: 17px; width: 33%;}.tab button:hover{ background-color: #ddd;}.tab button.active{ background-color: #ccc;}.tabcontent{ display: none; padding: 6px 12px;/*border: 1px solid #ccc;border-top: none;*/}table{ width: 80%; align: center; margin-left: auto; margin-right: auto;}th{ background-color: red;}select{ width: 100%; align: center; margin-left: auto; margin-right: auto;}</style>")?;
file.write_all(b"</head><body>\n")?;
file.write_all(b"<table><tr><th><h1><b>Owlyshield detected a </b><span style='color: white;'>ransomware</span><b>!</b></h1></th></tr></table>\n")?;
file.write_all(format!("<br/><table><tr><td style='text-align: center;'><h3>Ransomware detected running from: <span style='color: red;' id='fullPath'>{}</span></h3></td></tr><tr valign='top'><td style='text-align: left;'><ul><li>Process State:<b id='processState'> {}</b></li> <li>Started on<b id='startDate'> {}</b></li><li>Killed on<b id='killedDate'> {}</b></li><li>GID: <b id='gid'> {}</b></li><li>Certainty: <b id='certainty'> {}</b></li></ul></td></tr></table>\n", proc.exepath.to_string_lossy().to_string(), proc.process_state ,stime_started.format(LONG_TIME_FORMAT), DateTime::<Local>::from(proc.time_killed.unwrap_or(SystemTime::now())).format(LONG_TIME_FORMAT), proc.gid, prediction).as_bytes())?;
file.write_all(b"<table><tr><td><div class='tab'>\n")?;
file.write_all(format!("<button class='tablinks' onclick=\"openTab(event,'files_u')\">Files updated ({})</button>\n", &proc.fpaths_updated.len()).as_bytes())?;
file.write_all(format!("<button class='tablinks' onclick=\"openTab(event,'files_c')\">Files created ({})</button>\n", &proc.fpaths_created.len()).as_bytes())?;
file.write_all(b"</div></td></tr></table>\n")?;
file.write_all(b"<div id='files_u' class='tabcontent'><table><tr><td><select name='files_u' size='30' multiple='multiple'>\n")?;
for f in &proc.fpaths_updated {
file.write_all(format!("<option value='{}'>{}</option>\n", f, f).as_bytes())?;
}
file.write_all(b"</select></td></tr></table></div>\n")?;
file.write_all(b"<div id='files_c' class='tabcontent'><table><tr><td><select name='files_c' size='30' multiple='multiple'>\n")?;
for f in &proc.fpaths_created {
file.write_all(format!("<option value='{}'>{}</option>\n", f, f).as_bytes())?;
}
file.write_all(b"</select></td></tr></table></div>\n")?;
file.write_all(b"<script>function openTab(evt, tab) { var i, tabcontent, tablinks; tabcontent = document.getElementsByClassName('tabcontent'); for (i = 0; i != tabcontent.length; i++) { tabcontent[i].style.display = 'none'; } tablinks = document.getElementsByClassName('tablinks'); for (i = 0; i != tablinks.length; i++) { tablinks[i].className = tablinks[i].className.replace(' active', ''); } document.getElementById(tab).style.display = 'block'; evt.currentTarget.className += ' active';}document.getElementById('defaultOpen').click();</script>\n")?;
file.write_all(b"</body></html>")?;
}
Ok(())
}
}
impl ActionOnKill for Connectors {
fn run(
&self,
config: &Config,
proc: &ProcessRecord,
_pred_mtrx: &VecvecCappedF32,
prediction: f32,
_now: &String,
) -> Result<(), Box<dyn Error>> {
Connectors::on_event_kill(config, proc, prediction);
Ok(())
}
}
impl Debug for ActionsOnKill {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
f.debug_struct("ActionsOnKill").finish()
}
}
