Exaramel for Linux can attempt to find a new C2 server if it receives an error.2
tool
Exaramel for Linux S0401
- Type
- malware
- Platform
- Linux
- Created
- 26 August 2019
- Last modified
- 11 April 2024
Exaramel for Linux is a backdoor written in the Go Programming Language and compiled as a 64-bit ELF binary. The Windows version is tracked separately under Exaramel for Windows.[1]
12
Techniques54th pct
6
Tactics53rd pct
1
Threat groupunranked
0
CampaignsNone recorded
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0401
Exaramel for Linux uses RC4 for encrypting the configuration.34
Exaramel for Linux can run whoami to identify the system owner.5
Exaramel for Linux uses crontab for persistence if it does not have root privileges.67
Exaramel for Linux has a command to execute a shell command on the system.89
Exaramel for Linux can uninstall its persistence mechanism and delete its configuration file.10
Standing S0401
Reach is how much of ATT&CK this tool touches. Coverage is how well defended each thing it does is, as a median per technique rather than a total — a total would just restate the reach. Each figure is ranked against all 825 ATT&CK software entries only where that population actually spreads. Where most of the population shares one value, a percentile would rank the tie instead of the entity, so the raw value is shown and no rank is claimed.
Reach
Techniques1254th pct
54th percentile · 54% of 825 ATT&CK software entries have this many Enterprise techniques or fewer.
Tactics653rd pct
53rd percentile · 53% of 825 ATT&CK software entries have this many tactics spanned or fewer.
Threat group161% tie · 22 values
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
Campaigns085% tie · 8 values
85% of the population shares a single value across only 8 distinct values, so a percentile here would rank the tie, not the entity.
Coverage
Rules / technique19.5med43rd pct
43rd percentile · 57% of 825 ATT&CK software entries have more detection rules per technique.
Tests / technique5.5med
Detection coverage S0401
361 distinct rules cover the 12 techniques recorded for this tool. The 367 technique-to-rule mappings resolve to 361 distinct rules, because one rule can cover several techniques. 235 Sigma · 126 Splunk.
12 covered by at least one rule361 distinct rules in total
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