Detectionhightest

Shellshock Expression

Detects shellshock expressions in log files

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Florian Roth (Nextron Systems)Created Tue Mar 14Updated Sun Oct 09c67e0c98-4d39-46ee-8f6b-437ebf6b950elinux

Log Source

Linux

ProductLinux← raw: linux

Detection Logic

detection:
    keywords:
        - '(){:;};'
        - '() {:;};'
        - '() { :;};'
        - '() { :; };'
    condition: keywords

False Positives

Unknown

False positive likelihood has not been assessed. Additional context may be needed during triage.

References

MITRE ATT&CK

Tactics

Sub-techniques

Rule Metadata

Rule ID

c67e0c98-4d39-46ee-8f6b-437ebf6b950e

Status

test

Level

high

Type

Detection

Created

Tue Mar 14

Modified

Sun Oct 09

Author

Path

rules/linux/builtin/lnx_shellshock.yml

Raw Tags

attack.persistenceattack.t1505.003