Linux_Trojan_Metasploit_0b014e0e

rule Linux_Trojan_Metasploit_0b014e0e {
    meta:
        author = "Elastic Security"
        id = "0b014e0e-3f5a-4dcc-8860-eb101281b8a5"
        fingerprint = "7a61a0e169bf6aa8760b42c5b260dee453ea6a85fe9e5da46fb7598994904747"
        creation_date = "2024-05-07"
        last_modified = "2024-05-21"
        description = "Detects x64 msfvenom exec payloads"
        threat_name = "Linux.Trojan.Metasploit"
        reference_sample = "a24443331508cc72b3391353f91cd009cafcc223ac5939eab12faf57447e3162"
        severity = 100
        arch_context = "x86"
        scan_context = "file, memory"
        license = "Elastic License v2"
        os = "linux"
    strings:
        $payload1 = { 48 B8 2F [0-1] 62 69 6E 2F 73 68 ?? ?? 50 54 5F 52 5E 6A 3B 58 0F 05 }
        $payload2a = { 48 B8 2F 2F 62 69 6E 2F 73 68 99 EB ?? 5D 52 5B }
        $payload2b = { 54 5E 52 50 54 5F 52 55 56 57 54 5E 6A 3B 58 0F 05 }
        $payload3a = { 48 B8 2F 62 69 6E 2F 73 68 00 99 50 54 5F 52 }
        $payload3b = { 54 5E 52 E8 }
        $payload3c = { 56 57 54 5E 6A 3B 58 0F 05 }
    condition:
        $payload1 or (all of ($payload2*)) or (all of ($payload3*))
}