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fix egrep rule and ncat rule #617

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merged 2 commits into from
Jun 5, 2019
Merged

fix egrep rule and ncat rule #617

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8ce3716
fix egrep rule and ncat rule
May 23, 2019
d023ce1
add space after arguments, add --lua-exec
May 31, 2019
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5 changes: 3 additions & 2 deletions rules/falco_rules.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -2114,7 +2114,8 @@
condition: >
spawned_process and container and
((proc.name = "nc" and (proc.args contains "-e" or proc.args contains "-c")) or
(proc.name = "ncat" and (proc.args contains "--sh-exec" or proc.args contains "--exec"))
(proc.name = "ncat" and (proc.args contains "--sh-exec" or proc.args contains "--exec" or proc.args contains "-e "
or proc.args contains "-c " or proc.args contains "--lua-exec"))
)
output: >
Netcat runs inside container that allows remote code execution (user=%user.name
Expand Down Expand Up @@ -2151,7 +2152,7 @@
tags: [network, process, mitre_discovery, mitre_exfiltration]

- list: grep_binaries
items: [grep, egre, fgrep]
items: [grep, egrep, fgrep]
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- macro: grep_commands
condition: (proc.name in (grep_binaries))
Expand Down