PUA.Linux.XMRig.G

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.

Arrival Details

This Potentially Unwanted Application arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Potentially Unwanted Application does the following:

• It requires one of the following files to proceed with its intended routine:
  • {Grayware Path}/config.json
  • /home/{Username}/.xmrig.json
  • /home/{Username}/.config/xmrig.json
• It uses the following version of XMRig:
  • XMRig 6.22.2

It accepts the following parameters:

• Network:
  • -o, --url=URL → URL of mining server
  • -a, --algo=ALGO → mining algorithm
  • -u, --user=USERNAME → username for mining server
  • -p, --pass=PASSWORD → password for mining server
  • -O, --userpass=U:P → username:password pair for mining server
  • -x, --proxy=HOST:PORT → connect through a SOCKS5 proxy
  • -k, --keepalive → send keepalived packet for prevent timeout (needs pool support)
  • -r, --retries=N → number of times to retry before switch to backup server (default: 5)
  • -R, --retry-pause=N → time to pause between retries (default: 5)
  • --coin=COIN → specify coin instead of algorithm
  • --nicehash → enable nicehash.com support
  • --rig-id=ID → rig identifier for pool-side statistics (needs pool support)
  • --tls → enable SSL/TLS support (needs pool support)
  • --tls-fingerprint=HEX → pool TLS certificate fingerprint for strict certificate pinning
  • --dns-ipv6 → prefer IPv6 records from DNS responses
  • --dns-ttl=N → N seconds (default: 30) TTL for internal DNS cache
  • --daemon → use daemon RPC instead of pool for solo mining
  • --daemon-zmq-port=N → daemon's zmq-pub port number (only use it if daemon has it enabled)
  • --daemon-poll-interval=N → daemon poll interval in milliseconds (default: 1000)
  • --daemon-job-timeout=N → daemon job timeout in milliseconds (default: 15000)
  • --self-select=URL → self-select block templates from URL
  • --submit-to-origin → also submit solution back to self-select URL
  • --user-agent → set custom user-agent string for pool
  • --donate-level=N → donate level, default 1%% (1 minute in 100 minutes)
  • --donate-over-proxy=N → control donate over xmrig-proxy feature
    
    
• CPU Backend:
  • --no-cpu → disable CPU mining backend
  • --cpu-affinity=N → set process affinity to CPU core(s), mask 0x3 for cores 0 and 1
  • --cpu-priority=N → set process priority (0 idle, 2 normal to 5 highest)
  • --cpu-max-threads-hint=N → maximum CPU threads count (in percentage) hint for autoconfig
  • --cpu-memory-pool=N → number of 2 MB pages for persistent memory pool, -1 (auto), 0 (disable)
  • --cpu-no-yield → prefer maximum hashrate rather than system response/stability
  • --no-huge-pages → disable huge pages support
  • --huge-pages-jit → enable huge pages support for RandomX JIT code
  • --asm=ASM → ASM optimizations, possible values: auto, none,intel, ryzen, bulldozer
  • --argon2-impl=IMPL → argon2 implementation: x86_64, SSE2, SSSE3, XOP, AVX2, AVX-512F
  • --randomx-init=N → threads count to initialize RandomX dataset
  • --randomx-no-numa → disable NUMA support for RandomX
  • --randomx-mode=MODE → RandomX mode: auto, fast, light
  • --randomx-1gb-pages → use 1GB hugepages for RandomX dataset (Linux only)
  • --randomx-wrmsr=N → write custom value(s) to MSR registers or disable MSR mod (-1)
  • --randomx-no-rdmsr → disable reverting initial MSR values on exit
  • --randomx-cache-qos → enable Cache QoS
  • -t, --threads=N → number of CPU threads, proper CPU affinity required for some optimizations.
  • -v, --av=N → algorithm variation, 0 auto select
    
    
• API:
  • --api-worker-id=ID → custom worker-id for API
  • --api-id=ID → custom instance ID for API
  • --http-host=HOST → bind host for HTTP API (default: 127.0.0.1)
  • --http-port=N → bind port for HTTP API
  • --http-access-token=T → access token for HTTP API
  • --http-no-restricted → enable full remote access to HTTP API (only if access token set)
    
    
• TLS:
  • --tls-gen=HOSTNAME → generate TLS certificate for specific hostname
  • --tls-cert=FILE → load TLS certificate chain from a file in the PEM format
  • --tls-cert-key=FILE → load TLS certificate private key from a file in the PEM format
  • --tls-dhparam=FILE → load DH parameters for DHE ciphers from a file in the PEM format
  • --tls-protocols=N → enable specified TLS protocols, example: "TLSv1 TLSv1.1 TLSv1.2 TLSv1.3"
  • --tls-ciphers=S → set list of available ciphers (TLSv1.2 and below)
  • --tls-ciphersuites=S → set list of available TLSv1.3 ciphersuites
    
    
• Logging:
  • -l, --log-file=FILE → log all output to a file
  • -S, --syslog → use system log for output messages
  • --print-time=N → print hashrate report every N seconds
  • --no-color → disable colored output
  • --verbose → verbose output
    
    
• Misc:
  • -c, --config=FILE → load a JSON-format configuration file
  • -B, --background → run the miner in the background
  • -V, --version → output version information and exit
  • -h, --help → display this help and exit
  • --dry-run → test configuration and exit
  • --export-topology → export hwloc topology to a XML file and exit
  • --title → set custom console window title
  • --no-title → disable setting console window title
  • --pause-on-battery → pause mine on battery power
  • --pause-on-active=N → pause mine when the user is active (resume after N seconds of last activity)
  • --stress → run continuous stress test to check system stability
  • --bench=N → run benchmark, N can be between 1M and 10M
  • --submit → perform an online benchmark and submit result for sharing
  • --verify=ID → verify submitted benchmark by ID
  • --seed=SEED → custom RandomX seed for benchmark
  • --hash=HASH → compare benchmark result with specified hash
  • --no-dmi → disable DMI/SMBIOS reader

It requires being executed with a specific argument/parameter, an additional component, or in a specific environment in order to proceed with its intended routine.