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Commit 39921b54 by mmorenog
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Update antidebug.yar

parent 25ddfa49
Showing with 1079 additions and 0 deletions
antidebug.yar
...@@ -643,3 +643,1082 @@ rule WMI_VM_Detect : WMI_VM_Detect ...@@ -643,3 +643,1082 @@ rule WMI_VM_Detect : WMI_VM_Detect
} }
rule anti_dbg {
meta:
author = "x0r"
description = "Checks if being debugged"
version = "0.2"
strings:
$d1 = "Kernel32.dll" nocase
$c1 = "CheckRemoteDebuggerPresent"
$c2 = "IsDebuggerPresent"
$c3 = "OutputDebugString"
$c4 = "ContinueDebugEvent"
$c5 = "DebugActiveProcess"
condition:
$d1 and 1 of ($c*)
}
rule anti_dbgtools {
meta:
author = "x0r"
description = "Checks for the presence of known debug tools"
version = "0.1"
strings:
$f1 = "procexp.exe" nocase
$f2 = "procmon.exe" nocase
$f3 = "processmonitor.exe" nocase
$f4 = "wireshark.exe" nocase
$f5 = "fiddler.exe" nocase
$f6 = "windbg.exe" nocase
$f7 = "ollydbg.exe" nocase
$f8 = "winhex.exe" nocase
$f9 = "processhacker.exe" nocase
$f10 = "hiew32.exe" nocase
$c11 = "\\\\.\\NTICE"
$c12 = "\\\\.\\SICE"
$c13 = "\\\\.\\Syser"
$c14 = "\\\\.\\SyserBoot"
$c15 = "\\\\.\\SyserDbgMsg"
condition:
any of them
}
rule antisb_joesanbox {
meta:
author = "x0r"
description = "Anti-Sandbox checks for Joe Sandbox"
version = "0.1"
strings:
$p1 = "Software\\Microsoft\\Windows\\CurrentVersion" nocase
$c1 = "RegQueryValue"
$s1 = "55274-640-2673064-23950"
condition:
all of them
}
rule antisb_anubis {
meta:
author = "x0r"
description = "Anti-Sandbox checks for Anubis"
version = "0.1"
strings:
$p1 = "Software\\Microsoft\\Windows\\CurrentVersion" nocase
$c1 = "RegQueryValue"
$s1 = "76487-337-8429955-22614"
$s2 = "76487-640-1457236-23837"
condition:
$p1 and $c1 and 1 of ($s*)
}
rule antisb_threatExpert {
meta:
author = "x0r"
description = "Anti-Sandbox checks for ThreatExpert"
version = "0.1"
strings:
$f1 = "dbghelp.dll" nocase
condition:
all of them
}
rule antisb_sandboxie {
meta:
author = "x0r"
description = "Anti-Sandbox checks for Sandboxie"
version = "0.1"
strings:
$f1 = "SbieDLL.dll" nocase
condition:
all of them
}
rule antisb_cwsandbox {
meta:
author = "x0r"
description = "Anti-Sandbox checks for CWSandbox"
version = "0.1"
strings:
$p1 = "Software\\Microsoft\\Windows\\CurrentVersion" nocase
$s1 = "76487-644-3177037-23510"
condition:
all of them
}
rule antivm_virtualbox {
meta:
author = "x0r"
description = "AntiVM checks for VirtualBox"
version = "0.1"
strings:
$s1 = "VBoxService.exe" nocase
condition:
any of them
}
rule antivm_vmware {
meta:
author = "x0r"
description = "AntiVM checks for VMWare"
version = "0.1"
strings:
$s1 = "vmware.exe" nocase
$s2 = "vmware-authd.exe" nocase
$s3 = "vmware-hostd.exe" nocase
$s4 = "vmware-tray.exe" nocase
$s5 = "vmware-vmx.exe" nocase
$s6 = "vmnetdhcp.exe" nocase
$s7 = "vpxclient.exe" nocase
$s8 = { b868584d56bb00000000b90a000000ba58560000ed }
condition:
any of them
}
rule antivm_bios {
meta:
author = "x0r"
description = "AntiVM checks for Bios version"
version = "0.2"
strings:
$p1 = "HARDWARE\\DESCRIPTION\\System" nocase
$p2 = "HARDWARE\\DESCRIPTION\\System\\BIOS" nocase
$c1 = "RegQueryValue"
$r1 = "SystemBiosVersion"
$r2 = "VideoBiosVersion"
$r3 = "SystemManufacturer"
condition:
1 of ($p*) and 1 of ($c*) and 1 of ($r*)
}
rule disable_antivirus {
meta:
author = "x0r"
description = "Disable AntiVirus"
version = "0.2"
strings:
$p1 = "Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\DisallowRun" nocase
$p2 = "Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\" nocase
$p3 = "SOFTWARE\\Policies\\Microsoft\\Windows Defender" nocase
$c1 = "RegSetValue"
$r1 = "AntiVirusDisableNotify"
$r2 = "DontReportInfectionInformation"
$r3 = "DisableAntiSpyware"
$r4 = "RunInvalidSignatures"
$r5 = "AntiVirusOverride"
$r6 = "CheckExeSignatures"
$f1 = "blackd.exe" nocase
$f2 = "blackice.exe" nocase
$f3 = "lockdown.exe" nocase
$f4 = "lockdown2000.exe" nocase
$f5 = "taskkill.exe" nocase
$f6 = "tskill.exe" nocase
$f7 = "smc.exe" nocase
$f8 = "sniffem.exe" nocase
$f9 = "zapro.exe" nocase
$f10 = "zlclient.exe" nocase
$f11 = "zonealarm.exe" nocase
condition:
($c1 and $p1 and 1 of ($f*)) or ($c1 and $p2) or 1 of ($r*) or $p3
}
rule disable_uax {
meta:
author = "x0r"
description = "Disable User Access Control"
version = "0.1"
strings:
$p1 = "SOFTWARE\\Microsoft\\Security Center" nocase
$r1 = "UACDisableNotify"
condition:
all of them
}
rule disable_firewall {
meta:
author = "x0r"
description = "Disable Firewall"
version = "0.1"
strings:
$p1 = "SYSTEM\\CurrentControlSet\\Services\\SharedAccess\\Parameters\\FirewallPolicy" nocase
$c1 = "RegSetValue"
$r1 = "FirewallPolicy"
$r2 = "EnableFirewall"
$r3 = "FirewallDisableNotify"
$s1 = "netsh firewall add allowedprogram"
condition:
(1 of ($p*) and $c1 and 1 of ($r*)) or $s1
}
rule disable_registry {
meta:
author = "x0r"
description = "Disable Registry editor"
version = "0.1"
strings:
$p1 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System" nocase
$c1 = "RegSetValue"
$r1 = "DisableRegistryTools"
$r2 = "DisableRegedit"
condition:
1 of ($p*) and $c1 and 1 of ($r*)
}
rule disable_dep {
meta:
author = "x0r"
description = "Bypass DEP"
version = "0.1"
strings:
$c1 = "EnableExecuteProtectionSupport"
$c2 = "NtSetInformationProcess"
$c3 = "VirtualProctectEx"
$c4 = "SetProcessDEPPolicy"
$c5 = "ZwProtectVirtualMemory"
condition:
any of them
}
rule disable_taskmanager {
meta:
author = "x0r"
description = "Disable Task Manager"
version = "0.1"
strings:
$p1 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\System" nocase
$r1 = "DisableTaskMgr"
condition:
1 of ($p*) and 1 of ($r*)
}
rule inject_thread {
meta:
author = "x0r"
description = "Code injection with CreateRemoteThread in a remote process"
version = "0.1"
strings:
$c1 = "OpenProcess"
$c2 = "VirtualAllocEx"
$c3 = "NtWriteVirtualMemory"
$c4 = "WriteProcessMemory"
$c5 = "CreateRemoteThread"
$c6 = "CreateThread"
$c7 = "OpenProcess"
condition:
$c1 and $c2 and ( $c3 or $c4 ) and ( $c5 or $c6 or $c7 )
}
rule create_process {
meta:
author = "x0r"
description = "Create a new process"
version = "0.2"
strings:
$f1 = "Shell32.dll" nocase
$f2 = "Kernel32.dll" nocase
$c1 = "ShellExecute"
$c2 = "WinExec"
$c3 = "CreateProcess"
$c4 = "CreateThread"
condition:
($f1 and $c1 ) or $f2 and ($c2 or $c3 or $c4)
}
rule persistence {
meta:
author = "x0r"
description = "Install itself for autorun at Windows startup"
version = "0.1"
strings:
$p1 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run" nocase
$p2 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\RunOnce" nocase
$p3 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\RunServices" nocase
$p4 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\RunServicesOnce" nocase
$p5 = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon" nocase
$p6 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer\\Run" nocase
$p7 = "SOFTWARE\\Microsoft\\Active Setup\\Installed Components\\" nocase
$p8 = "SOFTWARE\\Microsoft\\WindowsNT\\CurrentVersion\\Windows" nocase
$p9 = "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\SharedTaskScheduler" nocase
$p10 = "comfile\\shell\\open\\command" nocase
$p11 = "piffile\\shell\\open\\command" nocase
$p12 = "exefile\\shell\\open\\command" nocase
$p13 = "txtfile\\shell\\open\\command" nocase
$p14 = "\\Microsoft\\Windows NT\\CurrentVersion\\Image File Execution Options"
$f1 = "win.ini" nocase
$f2 = "system.ini" nocase
$f3 = "Start Menu\\Programs\\Startup" nocase
condition:
any of them
}
rule hijack_network {
meta:
author = "x0r"
description = "Hijack network configuration"
version = "0.1"
strings:
$p1 = "SOFTWARE\\Classes\\PROTOCOLS\\Handler" nocase
$p2 = "SOFTWARE\\Classes\\PROTOCOLS\\Filter" nocase
$p3 = "Microsoft\\Windows\\CurrentVersion\\Internet Settings\\ProxyServer" nocase
$p4 = "software\\microsoft\\windows\\currentversion\\internet settings\\proxyenable" nocase
$f1 = "drivers\\etc\\hosts" nocase
condition:
any of them
}
rule create_service {
meta:
author = "x0r"
description = "Create a windows service"
version = "0.2"
strings:
$f1 = "Advapi32.dll" nocase
$c1 = "CreateService"
$c2 = "ControlService"
$c3 = "StartService"
$c4 = "QueryServiceStatus"
condition:
all of them
}
rule create_com_service {
meta:
author = "x0r"
description = "Create a COM server"
version = "0.1"
strings:
$c1 = "DllCanUnloadNow" nocase
$c2 = "DllGetClassObject"
$c3 = "DllInstall"
$c4 = "DllRegisterServer"
$c5 = "DllUnregisterServer"
condition:
all of them
}
rule network_udp_sock {
meta:
author = "x0r"
description = "Communications over UDP network"
version = "0.1"
strings:
$f1 = "Ws2_32.dll" nocase
$f2 = "System.Net" nocase
$f3 = "wsock32.dll" nocase
$c0 = "WSAStartup"
$c1 = "sendto"
$c2 = "recvfrom"
$c3 = "WSASendTo"
$c4 = "WSARecvFrom"
$c5 = "UdpClient"
condition:
(($f1 or $f3) and 2 of ($c*)) or ($f2 and $c5)
}
rule network_tcp_listen {
meta:
author = "x0r"
description = "Listen for incoming communication"
version = "0.1"
strings:
$f1 = "Ws2_32.dll" nocase
$f2 = "Mswsock.dll" nocase
$f3 = "System.Net" nocase
$f4 = "wsock32.dll" nocase
$c1 = "bind"
$c2 = "accept"
$c3 = "GetAcceptExSockaddrs"
$c4 = "AcceptEx"
$c5 = "WSAStartup"
$c6 = "WSAAccept"
$c7 = "WSASocket"
$c8 = "TcpListener"
$c9 = "AcceptTcpClient"
$c10 = "listen"
condition:
1 of ($f*) and 2 of ($c*)
}
rule network_dyndns {
meta:
author = "x0r"
description = "Communications dyndns network"
version = "0.1"
strings:
$s1 =".no-ip.org"
$s2 =".publicvm.com"
$s3 =".linkpc.net"
$s4 =".dynu.com"
$s5 =".dynu.net"
$s6 =".afraid.org"
$s7 =".chickenkiller.com"
$s8 =".crabdance.com"
$s9 =".ignorelist.com"
$s10 =".jumpingcrab.com"
$s11 =".moo.com"
$s12 =".strangled.com"
$s13 =".twillightparadox.com"
$s14 =".us.to"
$s15 =".strangled.net"
$s16 =".info.tm"
$s17 =".homenet.org"
$s18 =".biz.tm"
$s19 =".continent.kz"
$s20 =".ax.lt"
$s21 =".system-ns.com"
$s22 =".adultdns.com"
$s23 =".craftx.biz"
$s24 =".ddns01.com"
$s25 =".dns53.biz"
$s26 =".dnsapi.info"
$s27 =".dnsd.info"
$s28 =".dnsdynamic.com"
$s29 =".dnsdynamic.net"
$s30 =".dnsget.org"
$s31 =".fe100.net"
$s32 =".flashserv.net"
$s33 =".ftp21.net"
condition:
any of them
}
rule network_toredo {
meta:
author = "x0r"
description = "Communications over Toredo network"
version = "0.1"
strings:
$f1 = "FirewallAPI.dll" nocase
$p1 = "\\CurrentControlSet\\Services\\Tcpip6\\Parameters\\Interfaces\\" nocase
condition:
all of them
}
rule network_smtp_dotNet {
meta:
author = "x0r"
description = "Communications smtp"
version = "0.1"
strings:
$f1 = "System.Net.Mail" nocase
$p1 = "SmtpClient" nocase
condition:
all of them
}
rule network_smtp_raw {
meta:
author = "x0r"
description = "Communications smtp"
version = "0.1"
strings:
$s1 = "MAIL FROM:" nocase
$s2 = "RCPT TO:" nocase
condition:
all of them
}
rule network_smtp_vb {
meta:
author = "x0r"
description = "Communications smtp"
version = "0.1"
strings:
$c1 = "CDO.Message" nocase
$c2 = "cdoSMTPServer" nocase
$c3 = "cdoSendUsingMethod" nocase
$c4 = "cdoex.dll" nocase
$c5 = "/cdo/configuration/smtpserver" nocase
condition:
any of them
}
rule network_p2p_win {
meta:
author = "x0r"
description = "Communications over P2P network"
version = "0.1"
strings:
$c1 = "PeerCollabExportContact"
$c2 = "PeerCollabGetApplicationRegistrationInfo"
$c3 = "PeerCollabGetEndpointName"
$c4 = "PeerCollabGetEventData"
$c5 = "PeerCollabGetInvitationResponse"
$c6 = "PeerCollabGetPresenceInfo"
$c7 = "PeerCollabGetSigninOptions"
$c8 = "PeerCollabInviteContact"
$c9 = "PeerCollabInviteEndpoint"
$c10 = "PeerCollabParseContact"
$c11 = "PeerCollabQueryContactData"
$c12 = "PeerCollabRefreshEndpointData"
$c13 = "PeerCollabRegisterApplication"
$c14 = "PeerCollabRegisterEvent"
$c15 = "PeerCollabSetEndpointName"
$c16 = "PeerCollabSetObject"
$c17 = "PeerCollabSetPresenceInfo"
$c18 = "PeerCollabSignout"
$c19 = "PeerCollabUnregisterApplication"
$c20 = "PeerCollabUpdateContact"
condition:
5 of them
}
rule network_tor {
meta:
author = "x0r"
description = "Communications over TOR network"
version = "0.1"
strings:
$p1 = "tor\\hidden_service\\private_key" nocase
$p2 = "tor\\hidden_service\\hostname" nocase
$p3 = "tor\\lock" nocase
$p4 = "tor\\state" nocase
condition:
any of them
}
rule network_irc {
meta:
author = "x0r"
description = "Communications over IRC network"
version = "0.1"
strings:
$s1 = "NICK"
$s2 = "PING"
$s3 = "JOIN"
$s4 = "USER"
$s5 = "PRIVMSG"
condition:
all of them
}
rule network_http {
meta:
author = "x0r"
description = "Communications over HTTP"
version = "0.1"
strings:
$f1 = "wininet.dll" nocase
$c1 = "InternetConnect"
$c2 = "InternetOpen"
$c3 = "InternetOpenUrl"
$c4 = "InternetReadFile"
$c5 = "InternetWriteFile"
$c6 = "HttpOpenRequest"
$c7 = "HttpSendRequest"
$c8 = "IdHTTPHeaderInfo"
condition:
$f1 and $c1 and ($c2 or $c3) and ($c4 or $c5 or $c6 or $c7 or $c8)
}
rule network_dropper {
meta:
author = "x0r"
description = "File downloader/dropper"
version = "0.1"
strings:
$f1 = "urlmon.dll" nocase
$c1 = "URLDownloadToFile"
$c2 = "URLDownloadToCacheFile"
$c3 = "URLOpenStream"
$c4 = "URLOpenPullStream"
condition:
$f1 and 1 of ($c*)
}
rule network_ftp {
meta:
author = "x0r"
description = "Communications over FTP"
version = "0.1"
strings:
$f1 = "Wininet.dll" nocase
$c1 = "FtpGetCurrentDirectory"
$c2 = "FtpGetFile"
$c3 = "FtpPutFile"
$c4 = "FtpSetCurrentDirectory"
$c5 = "FtpOpenFile"
$c6 = "FtpGetFileSize"
$c7 = "FtpDeleteFile"
$c8 = "FtpCreateDirectory"
$c9 = "FtpRemoveDirectory"
$c10 = "FtpRenameFile"
$c11 = "FtpDownload"
$c12 = "FtpUpload"
$c13 = "FtpGetDirectory"
condition:
$f1 and (4 of ($c*))
}
rule network_tcp_socket {
meta:
author = "x0r"
description = "Communications over RAW socket"
version = "0.1"
strings:
$f1 = "Ws2_32.dll" nocase
$f2 = "wsock32.dll" nocase
$c1 = "WSASocket"
$c2 = "socket"
$c3 = "send"
$c4 = "WSASend"
$c5 = "WSAConnect"
$c6 = "connect"
$c7 = "WSAStartup"
$c8 = "closesocket"
$c9 = "WSACleanup"
condition:
1 of ($f*) and 2 of ($c*)
}
rule network_dns {
meta:
author = "x0r"
description = "Communications use DNS"
version = "0.1"
strings:
$f1 = "System.Net"
$f2 = "Ws2_32.dll" nocase
$f3 = "Dnsapi.dll" nocase
$f4 = "wsock32.dll" nocase
$c2 = "GetHostEntry"
$c3 = "getaddrinfo"
$c4 = "gethostbyname"
$c5 = "WSAAsyncGetHostByName"
$c6 = "DnsQuery"
condition:
1 of ($f*) and 1 of ($c*)
}
rule network_ssl {
meta:
author = "x0r"
description = "Communications over SSL"
version = "0.1"
strings:
$f1 = "ssleay32.dll" nocase
$f2 = "libeay32.dll" nocase
$f3 = "libssl32.dll" nocase
$c1 = "IdSSLOpenSSL" nocase
condition:
any of them
}
rule network_dga {
meta:
author = "x0r"
description = "Communication using dga"
version = "0.1"
strings:
$dll1 = "Advapi32.dll" nocase
$dll2 = "wininet.dll" nocase
$dll3 = "Crypt32.dll" nocase
$time1 = "SystemTimeToFileTime"
$time2 = "GetSystemTime"
$time3 = "GetSystemTimeAsFileTime"
$hash1 = "CryptCreateHash"
$hash2 = "CryptAcquireContext"
$hash3 = "CryptHashData"
$net1 = "InternetOpen"
$net2 = "InternetOpenUrl"
$net3 = "gethostbyname"
$net4 = "getaddrinfo"
condition:
all of ($dll*) and 1 of ($time*) and 1 of ($hash*) and 1 of ($net*)
}
rule bitcoin {
meta:
author = "x0r"
description = "Perform crypto currency mining"
version = "0.1"
strings:
$f1 = "OpenCL.dll" nocase
$f2 = "nvcuda.dll" nocase
$f3 = "opengl32.dll" nocase
$s1 = "cpuminer 2.2.2X-Mining-Extensions"
$s2 = "cpuminer 2.2.3X-Mining-Extensions"
$s3 = "Ufasoft bitcoin-miner/0.20"
$s4 = "bitcoin" nocase
$s5 = "stratum" nocase
condition:
1 of ($f*) and 1 of ($s*)
}
rule certificate {
meta:
author = "x0r"
description = "Inject certificate in store"
version = "0.1"
strings:
$f1 = "Crypt32.dll" nocase
$r1 = "software\\microsoft\\systemcertificates\\spc\\certificates" nocase
$c1 = "CertOpenSystemStore"
condition:
all of them
}
rule escalate_priv {
meta:
author = "x0r"
description = "Escalade priviledges"
version = "0.1"
strings:
$d1 = "Advapi32.dll" nocase
$c1 = "SeDebugPrivilege"
$c2 = "AdjustTokenPrivileges"
condition:
1 of ($d*) and 1 of ($c*)
}
rule screenshot {
meta:
author = "x0r"
description = "Take screenshot"
version = "0.1"
strings:
$d1 = "Gdi32.dll" nocase
$d2 = "User32.dll" nocase
$c1 = "BitBlt"
$c2 = "GetDC"
condition:
1 of ($d*) and 1 of ($c*)
}
rule lookupip {
meta:
author = "x0r"
description = "Lookup external IP"
version = "0.1"
strings:
$n1 = "checkip.dyndns.org" nocase
$n2 = "whatismyip.org" nocase
$n3 = "whatsmyipaddress.com" nocase
$n4 = "getmyip.org" nocase
$n5 = "getmyip.co.uk" nocase
condition:
any of them
}
rule dyndns {
meta:
author = "x0r"
description = "Dynamic DNS"
version = "0.1"
strings:
$s1 = "SOFTWARE\\Vitalwerks\\DUC" nocase
condition:
any of them
}
rule lookupgeo {
meta:
author = "x0r"
description = "Lookup Geolocation"
version = "0.1"
strings:
$n1 = "j.maxmind.com" nocase
condition:
any of them
}
rule keylogger {
meta:
author = "x0r"
description = "Run a keylogger"
version = "0.1"
strings:
$f1 = "User32.dll" nocase
$c1 = "GetAsyncKeyState"
$c2 = "GetKeyState"
$c3 = "MapVirtualKey"
$c4 = "GetKeyboardType"
condition:
$f1 and 1 of ($c*)
}
rule cred_local {
meta:
author = "x0r"
description = "Steal credential"
version = "0.1"
strings:
$c1 = "LsaEnumerateLogonSessions"
$c2 = "SamIConnect"
$c3 = "SamIGetPrivateData"
$c4 = "SamQueryInformationUse"
$c5 = "CredEnumerateA"
$c6 = "CredEnumerateW"
$r1 = "software\\microsoft\\internet account manager" nocase
$r2 = "software\\microsoft\\identitycrl\\creds" nocase
$r3 = "Security\\Policy\\Secrets"
condition:
any of them
}
rule sniff_audio {
meta:
author = "x0r"
description = "Record Audio"
version = "0.1"
strings:
$f1 = "winmm.dll" nocase
$c1 = "waveInStart"
$c2 = "waveInReset"
$c3 = "waveInAddBuffer"
$c4 = "waveInOpen"
$c5 = "waveInClose"
condition:
$f1 and 2 of ($c*)
}
rule cred_ff {
meta:
author = "x0r"
description = "Steal Firefox credential"
version = "0.1"
strings:
$f1 = "signons.sqlite"
$f2 = "signons3.txt"
$f3 = "secmod.db"
$f4 = "cert8.db"
$f5 = "key3.db"
condition:
any of them
}
rule cred_vnc {
meta:
author = "x0r"
description = "Steal VNC credential"
version = "0.1"
strings:
$s1 = "VNCPassView"
condition:
all of them
}
rule cred_ie7 {
meta:
author = "x0r"
description = "Steal IE 7 credential"
version = "0.1"
strings:
$f1 = "Crypt32.dll" nocase
$c1 = "CryptUnprotectData"
$s1 = "abe2869f-9b47-4cd9-a358-c22904dba7f7" nocase
condition:
all of them
}
rule sniff_lan {
meta:
author = "x0r"
description = "Sniff Lan network traffic"
version = "0.1"
strings:
$f1 = "packet.dll" nocase
$f2 = "npf.sys" nocase
$f3 = "wpcap.dll" nocase
$f4 = "winpcap.dll" nocase
condition:
any of them
}
rule migrate_apc {
meta:
author = "x0r"
description = "APC queue tasks migration"
version = "0.1"
strings:
$c1 = "OpenThread"
$c2 = "QueueUserAPC"
condition:
all of them
}
rule spreading_file {
meta:
author = "x0r"
description = "Malware can spread east-west file"
version = "0.1"
strings:
$f1 = "autorun.inf" nocase
$f2 = "desktop.ini" nocase
$f3 = "desktop.lnk" nocase
condition:
any of them
}
rule spreading_share {
meta:
author = "x0r"
description = "Malware can spread east-west using share drive"
version = "0.1"
strings:
$f1 = "netapi32.dll" nocase
$c1 = "NetShareGetInfo"
$c2 = "NetShareEnum"
condition:
$f1 and 1 of ($c*)
}
rule rat_vnc {
meta:
author = "x0r"
description = "Remote Administration toolkit VNC"
version = "0.1"
strings:
$f1 = "ultravnc.ini" nocase
$c2 = "StartVNC"
$c3 = "StopVNC"
condition:
any of them
}
rule rat_rdp {
meta:
author = "x0r"
description = "Remote Administration toolkit enable RDP"
version = "0.1"
strings:
$p1 = "SYSTEM\\CurrentControlSet\\Control\\Terminal Server" nocase
$p2 = "software\\microsoft\\windows nt\\currentversion\\terminal server" nocase
$p3 = "SYSTEM\\CurrentControlSet\\Control\\Terminal Server\\WinStations\\RDP-Tcp" nocase
$r1 = "EnableAdminTSRemote"
$c1 = "net start termservice"
$c2 = "sc config termservice start"
condition:
any of them
}
rule rat_telnet {
meta:
author = "x0r"
description = "Remote Administration toolkit enable Telnet"
version = "0.1"
strings:
$r1 = "software\\microsoft\\telnetserver" nocase
condition:
any of them
}
rule rat_webcam {
meta:
author = "x0r"
description = "Remote Administration toolkit using webcam"
version = "0.1"
strings:
$f1 = "avicap32.dll" nocase
$c1 = "capCreateCaptureWindow" nocase
condition:
all of them
}
rule check_patchlevel {
meta:
author = "x0r"
description = "Check if hotfix are applied"
version = "0.1"
strings:
$p1 = "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Hotfix" nocase
condition:
any of them
}
rule win_mutex {
meta:
author = "x0r"
description = "Create or check mutex"
version = "0.1"
strings:
$c1 = "CreateMutex"
condition:
1 of ($c*)
}
rule win_registry {
meta:
author = "x0r"
description = "Affect system registries"
version = "0.1"
strings:
$f1 = "advapi32.dll" nocase
$c1 = "RegQueryValueExA"
$c2 = "RegOpenKeyExA"
$c3 = "RegCloseKey"
$c4 = "RegSetValueExA"
$c5 = "RegCreateKeyA"
$c6 = "RegCloseKey"
condition:
$f1 and 1 of ($c*)
}
rule win_token {
meta:
author = "x0r"
description = "Affect system token"
version = "0.1"
strings:
$f1 = "advapi32.dll" nocase
$c1 = "DuplicateTokenEx"
$c2 = "AdjustTokenPrivileges"
$c3 = "OpenProcessToken"
$c4 = "LookupPrivilegeValueA"
condition:
$f1 and 1 of ($c*)
}
rule win_private_profile {
meta:
author = "x0r"
description = "Affect private profile"
version = "0.1"
strings:
$f1 = "kernel32.dll" nocase
$c1 = "GetPrivateProfileIntA"
$c2 = "GetPrivateProfileStringA"
$c3 = "WritePrivateProfileStringA"
condition:
$f1 and 1 of ($c*)
}
rule win_files_operation {
meta:
author = "x0r"
description = "Affect private profile"
version = "0.1"
strings:
$f1 = "kernel32.dll" nocase
$c1 = "WriteFile"
$c2 = "SetFilePointer"
$c3 = "WriteFile"
$c4 = "ReadFile"
$c5 = "DeleteFileA"
$c6 = "CreateFileA"
$c7 = "FindFirstFileA"
$c8 = "MoveFileExA"
$c9 = "FindClose"
$c10 = "SetFileAttributesA"
$c11 = "CopyFile"
condition:
$f1 and 3 of ($c*)
}
rule win_hook {
meta:
author = "x0r"
description = "Affect hook table"
version = "0.1"
strings:
$f1 = "user32.dll" nocase
$c1 = "UnhookWindowsHookEx"
$c2 = "SetWindowsHookExA"
$c3 = "CallNextHookEx"
condition:
$f1 and 1 of ($c*)
}
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