Elastic Defend high stable eql
Potential Coin Miner Execution via Shell
This rule detects the execution of a coin miner via a shell command through potential mining commandline arguments. Adversaries may leverage the resources of compromised systems to mine cryptocurrency, to generate revenue. This activity may impact system performance and availability.
Detection Logic
process where event.type == "start" and event.action == "exec" and process.parent.executable != null and
process.name in ("bash", "dash", "sh", "tcsh", "csh", "zsh", "ksh", "fish") and process.args == "-c" and (
(
process.command_line like ("*-a*", "*--algo*", "*--coin*") and process.command_line like (
"*monero*", "*arqma*", "* dero *", "*rx/graft*", "*cn/upx2*", "*cn/1*", "*cn-lite/1*", "*cn-lite/0*", "*cn/0*",
"*argon2/chukwav2*", "*cn/ccx*", "*kawpow*", "*rx/keva*", "*cn-pico/tlo*", "*rx/sfx*", "*rx/arq*", "*rx/0*",
"*argon2/chukwa*", "*argon2/ninja*", "*rx/wow*", "*cn/fast*", "*cn/rwz*", "*cn/zls*", "*cn/double*", "*cn/r*",
"*cn-pico*", "*cn/half*", "*cn/2*", "*cn/xao*", "*cn/rto*", "*cn-heavy/tube*", "*cn-heavy/xhv*", "*cn-heavy/0*"
)
) or process.command_line like ("*stratum+tcp://*", "*stratum2+tcp://*", "*--nicehash*")
) and not (
process.parent.name like (
"find", "python3", "httpd", "sshd", "php*", "sudo", "ruby", "nvim", "vim", "make", "schroot", "vimdiff", "sbuild", "ninja"
) or
process.parent.executable in (
"/opt/cron/registry-sync/ru/syncRegistryByReport.pl", "/usr/bin/gvimdiff", "/usr/bin/ninja-reference",
"/usr/bin/sw-engine", "/usr/local/bin/teleport", "/usr/share/dotnet/dotnet", "/usr/libexec/openssh/sshd-session"
) or
process.parent.executable like ("/tmp/baum/easybuild/*", "/home/*/.vscode-server/extensions/*/resources/native-binary/claude") or
process.command_line like ("*openssl*", "*--display-charset*", "sh -c aws s3 cp*") or
process.parent.args in ("/usr/bin/crun", "/usr/local/bin/claude") or
(
process.parent.executable like "/home/*/.local/share/claude/versions/*" and
process.command_line like "/bin/bash -c source /home/*/.claude/shell-snapshots/snapshot-*"
)
) Field Validations
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