tool

Briba S0204

Type: malware
Platform: Windows
Created: 18 April 2018
Last modified: 17 November 2024

Briba is a trojan used by Elderwood to open a backdoor and download files on to compromised hosts. [1] [2]

TechniquesBottom 17%

Tactics32nd pct

Threat groupunranked

CampaignsNone recorded

Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.

MITRE reference S0204

Ingress Tool Transfer T1105↗

Briba downloads files onto infected hosts.3

Command and Control129 detection rules

Rundll32 T1218.011↗

Briba uses rundll32 within Registry Run Keys / Startup Folder entries to execute malicious DLLs.4

Stealth61 detection rules

Windows Service T1543.003↗

Briba installs a service pointing to a malicious DLL dropped to disk.5

Persistence · Privilege Escalation73 detection rules

Registry Run Keys / Startup Folder T1547.001↗

Briba creates run key Registry entries pointing to malicious DLLs dropped to disk.6

Persistence · Privilege Escalation46 detection rules

Standing S0204

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

Techniques4Bottom 17%

17th percentile · 83% of 825 ATT&CK software entries have more Enterprise techniques.

Tactics432nd pct

32nd percentile · 68% of 825 ATT&CK software entries have more tactics spanned.

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 / technique67medTop 2%

98th percentile · 98% of 825 ATT&CK software entries have this many detection rules per technique or fewer.

Tests / technique18med

Detection coverage S0204

309 distinct rules cover the 4 techniques recorded for this tool. 221 Sigma · 88 Splunk.

4 covered by at least one rule309 distinct rules in total

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MITRE reference S0204

Reach

Coverage

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