Suspicious process execution from tmp folder

Cortex XDR Analytics Alert Reference by Alert name

Product
Cortex XDR
Last date published
2024-06-04
Category
Analytics Alert Reference
Order
Alert name

Synopsis

Activation Period

14 Days

Training Period

30 Days

Test Period

N/A (single event)

Deduplication Period

1 Day

Required Data

  • Requires:
    • XDR Agent

Detection Modules

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Hide Artifacts: Hidden Files and Directories (T1564.001)

Severity

Informational

Description

An unpopular process was executed from the tmp folder.

Attacker's Goals

Attackers may try to run the executable application from a folder that is writable to all users and use it to avoid detection.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.

Variations

A web server process executed an unpopular application from the tmp folder

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Hide Artifacts: Hidden Files and Directories (T1564.001)

Severity

Medium

Description

An executable application ran from the tmp folder by a web server process.

Attacker's Goals

Attackers may try to run the executable application from a folder that is writable to all users and use it to avoid detection.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.


Suspicious cron job task execution of a binary from the tmp folder

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Hide Artifacts: Hidden Files and Directories (T1564.001)

Severity

Medium

Description

An unpopular process was executed from the tmp folder.

Attacker's Goals

Attackers may try to run the executable application from a folder that is writable to all users and use it to avoid detection.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.


Suspicious interactive execution of a binary from the tmp folder

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Hide Artifacts: Hidden Files and Directories (T1564.001)

Severity

Medium

Description

An unpopular process was executed from the tmp folder.

Attacker's Goals

Attackers may try to run the executable application from a folder that is writable to all users and use it to avoid detection.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.


Suspicious process execution from tmp folder in a Kubernetes pod

Synopsis

ATT&CK Tactic

Defense Evasion (TA0005)

ATT&CK Technique

Hide Artifacts: Hidden Files and Directories (T1564.001)

Severity

Informational

Description

An unpopular process was executed from the tmp folder.

Attacker's Goals

Attackers may try to run the executable application from a folder that is writable to all users and use it to avoid detection.

Investigative actions

  • Verify that this isn't IT activity.
  • Look for other hosts executing similar commands.