BUSHWALK
MITRE ATT&CK: S1118 View on attack.mitre.org
Aliases: BUSHWALK
- Malware type
- webshell
- Family
- Malware family
- Operating systems
- network-devices
- Profile updated
- 2026-07-07 13:11:07
Targeted industries: government-and-public-sector technology-and-telecommunications financial-services
Context
BUSHWALK is a web shell written in Perl that was inserted into the legitimate querymanifest.cgi file on compromised Ivanti Connect Secure VPNs during Cutting Edge.
Detection coverage
- 199 Sigma rules
Malware & tools used
- Traffic Signaling (attack-pattern)
- Web Shell (attack-pattern)
- Compromise Host Software Binary (attack-pattern)
- Deobfuscate/Decode Files or Information (attack-pattern)
- Obfuscated Files or Information (attack-pattern)
- Ingress Tool Transfer (attack-pattern)
Used by threat actors
- Cutting Edge (campaign)
Reports & references
- Mandiant — Investigating Ivanti Zero Day Exploitation (report)
- Mandiant — Investigating Ivanti Exploitation Persistence (report)
- malpedia.caad.fkie.fraunhofer.de — Elf.Bushwalk (report)
- cloud.google.com — Investigating Ivanti Exploitation Persistence (report)
- MITRE ATT&CK — S1118 (report)