From cd3f72cf15caeff6f4fccfe6a7bd3dea03925b19 Mon Sep 17 00:00:00 2001 From: Samirbous <64742097+Samirbous@users.noreply.github.com> Date: Fri, 29 Jan 2021 19:01:15 +0100 Subject: [PATCH] [New Rule] Creation of a Hidden Launch Agent or Daemon (#797) * [New Rule] Creation of a Hidden Launch Agent or Daemon * updated TID * Update persistence_evasion_hidden_launch_agent_deamon_creation.toml * Update persistence_evasion_hidden_launch_agent_deamon_creation.toml * Update rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * Update rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> * sub-technique stuff * relint Co-authored-by: Brent Murphy <56412096+bm11100@users.noreply.github.com> --- ...n_hidden_launch_agent_deamon_creation.toml | 73 +++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml diff --git a/rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml b/rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml new file mode 100644 index 000000000..1ee247a7c --- /dev/null +++ b/rules/macos/persistence_evasion_hidden_launch_agent_deamon_creation.toml @@ -0,0 +1,73 @@ +[metadata] +creation_date = "2020/01/05" +maturity = "production" +updated_date = "2020/01/05" + +[rule] +author = ["Elastic"] +description = """ +Identifies the creation of a hidden launch agent or daemon. An adversary may establish persistence by installing a new +launch agent or daemon which executes at login. +""" +from = "now-9m" +index = ["auditbeat-*", "logs-endpoint.events.*"] +language = "eql" +license = "Elastic License" +name = "Creation of Hidden Launch Agent or Daemon" +references = [ + "https://developer.apple.com/library/archive/documentation/MacOSX/Conceptual/BPSystemStartup/Chapters/CreatingLaunchdJobs.html", +] +risk_score = 47 +rule_id = "092b068f-84ac-485d-8a55-7dd9e006715f" +severity = "medium" +tags = ["Elastic", "Host", "macOS", "Threat Detection", "Persistence", "Defense Evasion"] +type = "eql" + +query = ''' +file where event.type != "deletion" and + file.path : + ( + "/System/Library/LaunchAgents/.*.plist", + "/Library/LaunchAgents/.*.plist", + "/Users/*/Library/LaunchAgents/.*.plist", + "/System/Library/LaunchDaemons/.*.plist", + "/Library/LaunchDaemons/.*.plist" + ) +''' + + +[[rule.threat]] +framework = "MITRE ATT&CK" +[[rule.threat.technique]] +id = "T1543" +name = "Create or Modify System Process" +reference = "https://attack.mitre.org/techniques/T1543/" +[[rule.threat.technique.subtechnique]] +id = "T1543.001" +name = "Launch Agent" +reference = "https://attack.mitre.org/techniques/T1543/001/" + + + +[rule.threat.tactic] +id = "TA0003" +name = "Persistence" +reference = "https://attack.mitre.org/tactics/TA0003/" +[[rule.threat]] +framework = "MITRE ATT&CK" +[[rule.threat.technique]] +id = "T1564" +name = "Hide Artifacts" +reference = "https://attack.mitre.org/techniques/T1564/" +[[rule.threat.technique.subtechnique]] +id = "T1564.001" +name = "Hidden Files and Directories" +reference = "https://attack.mitre.org/techniques/T1564/001/" + + + +[rule.threat.tactic] +id = "TA0005" +name = "Defense Evasion" +reference = "https://attack.mitre.org/tactics/TA0005/" +