tool
BADCALL S0245
- Type
- malware
- Platform
- Windows
- Created
- 17 October 2018
- Last modified
- 12 May 2026
BADCALL is a Trojan malware variant used by the group Lazarus Group. [1]
Enterprise ATT&CK only. Any Mobile or ICS rows on the same ATT&CK page are not carried.
MITRE reference S0245
BADCALL collects the computer name and host name on the compromised system.4
BADCALL functions as a proxy server between the victim and C2 server.5
BADCALL modifies the firewall Registry key SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfileGloballyOpenPorts\\List.6
BADCALL communicates on ports 443 and 8000 with a FakeTLS method.7
Standing S0245
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
38th percentile · 62% of 825 ATT&CK software entries have more Enterprise techniques.
32nd percentile · 68% of 825 ATT&CK software entries have more tactics spanned.
61% of the population shares a single value across only 22 distinct values, so a percentile here would rank the tie, not the entity.
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
55th percentile · 55% of 825 ATT&CK software entries have this many detection rules per technique or fewer.
Detection coverage S0245
311 distinct rules cover the 8 techniques recorded for this tool. The 317 technique-to-rule mappings resolve to 311 distinct rules, because one rule can cover several techniques. 195 Sigma · 116 Splunk.
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