PACEMAKER
MITRE ATT&CK: S1109 View on attack.mitre.org
Aliases: PACEMAKER
- First seen
- 2020-01-01 00:00:00
- Malware type
- credential-stealer
- Family
- Malware family
- Operating systems
- network-devices, linux
- Profile updated
- 2026-07-07 13:23:19
Targeted industries: defense-and-aerospace
Targeted regions: country_code:us
Context
PACEMAKER is a credential stealer that was used by APT5 as early as 2020 including activity against US Defense Industrial Base (DIB) companies.
Detection coverage
- 2 YARA rules
- 45 Sigma rules
Malware & tools used
- Proc Filesystem (attack-pattern)
- Ptrace System Calls (attack-pattern)
- Automated Collection (attack-pattern)
- Unix Shell (attack-pattern)
- File and Directory Discovery (attack-pattern)
- Local Data Staging (attack-pattern)
Used by threat actors
- APT5 (threat-actor)
Detection rules
- SIGNATURE_BASE_FE_APT_Trojan_Linux32_PACEMAKER (yara-rule)
- SIGNATURE_BASE_FE_APT_Trojan_Linux_PACEMAKER (yara-rule)
Reports & references
- Mandiant — Suspected Apt Actors Leverage Bypass Techniques Pulse Secure Zero Day (report)
- MITRE ATT&CK — S1109 (report)