Suspicious Cryptomining Shell Script Execution sex.sh or miner.sh on Linux (via process_creation)

ATT&CK techniques

Impact

Recon
Resource Dev
Initial Access
Execution
Persistence
Priv Esc
Defense Evasion
Cred Access
Discovery
Lateral Movement
Collection
C2
Exfiltration
Impact
- T1496Resource Hijacking

What it detects

This rule detects execution of the sex.sh or miner.sh scripts dropped by threat actors after exploiting React2Shell on Linux to deploy a cryptominer. Running these named installer scripts indicates resource-hijacking activity for financial gain on the compromised host.

Reporting behind it

Related detections9 linkedT1496 — drag to rearrange

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Malicious Cryptocurrency Miner Masquerading as kswapd0

Malicious XMRig Cryptominer Connecting To C3Pool Stratum Pool

Malicious Hadooken Cryptominer Execution via Masqueraded Binaries (via process_creation)

Suspicious Lucifer Botnet Mining Pool Domain Resolution (via dns_query)

Suspicious Proxyjacking Service Resolution Observed in perfctl Campaign (via dns_query)

Malicious PureMiner Persistence Executable in AppData HResult Folder

Suspicious Cryptomining Shell Script Execution sex.sh or miner.sh on Linux (via process_creation)

Pivot detection · T1496 · 9 related

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.

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