Potential Crypto Mining Activity

Severity: high
Author: Florian Roth (Nextron Systems)
Source: upstream

Detects command line parameters or strings often used by crypto miners

MITRE ATT&CK coverage

Tactic	Techniques
Impact	`T1496` Resource Hijacking

Event coverage

Provider	Event ID	Title
Sysmon	1	Process creation
Security-Auditing	4688	A new process has been created.

Stages and Predicates

Stage 1: `selection`

or:
CommandLine|contains: ' --algo=rx/0 '
CommandLine|contains: ' --cpu-priority='
CommandLine|contains: ' --nicehash'
CommandLine|contains: ' -o pool.'
CommandLine|contains: '--donate-level=0'
CommandLine|contains: 0tZG9uYXRlLWxldmVsP
CommandLine|contains: LS1kb25hdGUtbGV2ZWw9
CommandLine|contains: N0cmF0dW0rdGNwOi8v
CommandLine|contains: N0cmF0dW0rdWRwOi8v
CommandLine|contains: c3RyYXR1bSt0Y3A6Ly
CommandLine|contains: c3RyYXR1bSt1ZHA6Ly
CommandLine|contains: 'stratum+tcp://'
CommandLine|contains: 'stratum+udp://'
CommandLine|contains: tLWRvbmF0ZS1sZXZlbD
CommandLine|contains: zdHJhdHVtK3RjcDovL
CommandLine|contains: zdHJhdHVtK3VkcDovL

Stage 2: `not filter`

or:
CommandLine|contains: ' pool.c '
CommandLine|contains: ' pool.o '
CommandLine|contains: 'gcc -'

Indicators

Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.

Field	Kind	Values
`CommandLine`	match	`--algo=rx/0` `--cpu-priority=` `--nicehash` `-o pool.` `pool.c` `pool.o` `--donate-level=0` `0tZG9uYXRlLWxldmVsP` `LS1kb25hdGUtbGV2ZWw9` `N0cmF0dW0rdGNwOi8v` `N0cmF0dW0rdWRwOi8v` `c3RyYXR1bSt0Y3A6Ly` `c3RyYXR1bSt1ZHA6Ly` `gcc -` `stratum+tcp://` `stratum+udp://` `tLWRvbmF0ZS1sZXZlbD` `zdHJhdHVtK3RjcDovL` `zdHJhdHVtK3VkcDovL`