Sagan high stable other

[BASH] /dev/tcp access

Detection Logic

alert any $EXTERNAL_NET any -> $HOME_NET any (msg:"[BASH] /dev/tcp access"; content:"HISTORY"; content:"/dev/tcp"; classtype:suspicious-command; program:bash
| -bash
| sh
| -sh; sid:5002317; rev:2;)

Field Validations

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