IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Security Software Discovery via Grep
editSecurity Software Discovery via Grep
editIdentifies the use of the grep command to discover known third-party macOS and Linux security tools, such as Antivirus or Host Firewall details.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
- auditbeat-*
Severity: medium
Risk score: 47
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Elastic
- Host
- macOS
- Linux
- Threat Detection
- Discovery
Version: 5
Rule authors:
- Elastic
Rule license: Elastic License v2
Investigation guide
editRule query
editprocess where event.type == "start" and
process.name : "grep" and user.id != "0" and
not process.parent.executable : "/Library/Application Support/*" and
process.args :
("Little Snitch*",
"Avast*",
"Avira*",
"ESET*",
"BlockBlock*",
"360Sec*",
"LuLu*",
"KnockKnock*",
"kav",
"KIS",
"RTProtectionDaemon*",
"Malware*",
"VShieldScanner*",
"WebProtection*",
"webinspectord*",
"McAfee*",
"isecespd*",
"macmnsvc*",
"masvc*",
"kesl*",
"avscan*",
"guard*",
"rtvscand*",
"symcfgd*",
"scmdaemon*",
"symantec*",
"sophos*",
"osquery*",
"elastic-endpoint*"
) and
not (process.args : "Avast" and process.args : "Passwords")
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Discovery
- ID: TA0007
- Reference URL: https://attack.mitre.org/tactics/TA0007/
-
Technique:
- Name: Software Discovery
- ID: T1518
- Reference URL: https://attack.mitre.org/techniques/T1518/
-
Sub-technique:
- Name: Security Software Discovery
- ID: T1518.001
- Reference URL: https://attack.mitre.org/techniques/T1518/001/